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| alt_names = 1972 NC{{·}}1930 SV<br />1943 TB{{·}}1956 VC<br />1972 PB
| alt_names = 1972 NC{{·}}1930 SV<br />1943 TB{{·}}1956 VC<br />1972 PB
| named_after = [[Rubén Ruiz Ibárruri|Rubén Ibárruri]]<br />{{small|([[Hero of the Soviet Union]])}}<ref name="springer" />
| named_after = [[Rubén Ruiz Ibárruri|Rubén Ibárruri]]<br />{{small|([[Hero of the Soviet Union]])}}<ref name="springer" />
| mp_category = [[Mars crosser]] <ref name="lcdb" />
| mp_category = [[Mars-crosser]]&thinsp;<ref name="lcdb" /><ref name="MPC-Ibarruri" />
| orbit_ref =  <ref name="jpldata" />
| orbit_ref =  <ref name="jpldata" />
| epoch = 13 January 2016 ([[Julian day|JD]] 2457400.5)
| epoch = 13 January 2016 ([[Julian day|JD]] 2457400.5)
Line 26: Line 26:
| asc_node = 265.15°
| asc_node = 265.15°
| arg_peri = 80.218°
| arg_peri = 80.218°
| moid = {{Convert|0.566985|AU|Gm|abbr=on}}
| moid = 0.5705 AU
| dimensions = 6.50 km {{small|(calculated)}}<ref name="lcdb" />
| dimensions = 6.50 km {{small|(calculated)}}<ref name="lcdb" />
| rotation = 139.79 [[hour|h]]{{efn|name=lcdb}}<br />{{val|139.92|0.01}} h<ref name="Ferrero-2012a" /><br />{{val|73.08|0.10}} h<ref name="Vander-Haagen-2012a" /><br />{{val|139.9|0.2}} h<ref name="Buchheim-2012" />
| rotation = {{val|139.79|0.04}} [[Hour|h]]{{efn|name=lcdb}}<br />{{val|139.92|0.01}} h<ref name="Ferrero-2012a" /><br />{{val|73.08|0.10}} h<ref name="Vander-Haagen-2012a" /><br />{{val|139.9|0.2}} h<ref name="Buchheim-2012" />
| albedo = 0.20 {{small|(assumed)}}<ref name="lcdb" />
| albedo = {{val|0.330|0.167}}<br />0.20 {{small|(assumed)}}<ref name="lcdb" />
| spectral_type = [[SMASS classification|SMASS]] = [[A-type asteroid|A]]<ref name="Xu-1995" /><br />[[C-type asteroid|C]] <ref name="lcdb" />
| spectral_type = [[SMASS classification|SMASS]] = [[A-type asteroid|A]]&thinsp;<ref name="jpldata" /><ref name="Xu-1995" /><br />[[L-type asteroid|L]]&thinsp;<ref name="Veres-2015" />{{·}}[[S-type asteroid|S]]&thinsp;<ref name="Carry-2016" />{{·}}[[C-type asteroid|C]]&thinsp;<ref name="lcdb" />
| abs_magnitude = 13.3<ref name="jpldata" /><br />{{val|13.44|1.15}}<ref name="Veres-2015" /><br />13.20<ref name="Carry-2016" /><br />13.3<ref name="lcdb" />
| abs_magnitude = 13.3
| mean_motion = {{Deg2DMS|0.30435|sup=ms}} / day
| jupiter_moid = {{Convert|2.62146|AU|Gm|abbr=on}}
| tisserand = 3.618
}}
}}


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''Ibarruri'' has a notably slow [[rotation period]] of 140 hours,{{efn|name=lcdb}}<ref name="Buchheim-2012" /> and seems to be in a non-principal axis rotation (NPAR), colloquially called as "tumbling".<ref name="Pravec-2014b" /> As a spectroscopic A-type asteroid, it belongs to the larger group of bodies with a silicaceous composition. However, the Collaborative Asteroid Lightcurve Link classifies the asteroid into the [[C-type asteroid|carbonaceous]] group, despite the fact that is assumes a relatively high [[geometric albedo]] of 0.20,<ref name="lcdb" /> which is rather typical for [[S-type asteroids|stony]] asteroids.
''Ibarruri'' has a notably slow [[rotation period]] of 140 hours,{{efn|name=lcdb}}<ref name="Buchheim-2012" /> and seems to be in a non-principal axis rotation (NPAR), colloquially called as "tumbling".<ref name="Pravec-2014b" /> As a spectroscopic A-type asteroid, it belongs to the larger group of bodies with a silicaceous composition. However, the Collaborative Asteroid Lightcurve Link classifies the asteroid into the [[C-type asteroid|carbonaceous]] group, despite the fact that is assumes a relatively high [[geometric albedo]] of 0.20,<ref name="lcdb" /> which is rather typical for [[S-type asteroids|stony]] asteroids.


The minor planet was named after [[Rubén Ruiz Ibárruri]] (1920–1942), son of Spanish communist leader [[Dolores Ibárruri]] and a posthumous [[Hero of the Soviet Union]]. He enlisted in the Soviet army and died in the early stage of the [[Battle of Stalingrad]] in September 1942.<ref name="springer" />
The minor planet was named after [[Rubén Ruiz Ibárruri]] (1920–1942), son of Spanish communist leader [[Dolores Ibárruri]] and a posthumous [[Hero of the Soviet Union]]. He enlisted in the Soviet army and died in the early stage of the [[Battle of Stalingrad]] in September 1942.<ref name="springer" /> Naming citation was published on 8 February 1982 ({{small|[[Minor Planet Circulars|M.P.C.]] 6649}}).<ref name="MPC-Circulars-Archive" />


== References ==
== References ==
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{{reflist
{{reflist
|refs=
|refs=

⚫
<ref name="lcdb">{{cite web
⚫
|title=LCDB Data for (2423) Ibarruri
⚫
|publisher=Asteroid Lightcurve Database (LCDB)
⚫
|url=http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=2423%7CIbarruri
⚫
|accessdate=25 November 2015}}</ref>


<ref name="jpldata">{{cite web
<ref name="jpldata">{{cite web
|type=2015-10-23 last obs.
|type = 2016-06-03 last obs.
|title=JPL Small-Body Database Browser: 2423 Ibarruri (1972 NC)
|title = JPL Small-Body Database Browser: 2423 Ibarruri (1972 NC)
|url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2002423
|url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2002423
|publisher=Jet Propulsion Laboratory
|publisher = Jet Propulsion Laboratory
|accessdate=15 April 2016}}</ref>
|accessdate = 7 December 2016}}</ref>


<ref name="springer">{{cite book
<ref name="springer">{{cite book
⚫
|title = Dictionary of Minor Planet Names – (2423) Ibarruri
|url=https://books.google.ch/books?id=KWrB1jPCa8AC&q=%282423%29#v=onepage&q=(2423)&f=false
⚫
|last = Schmadel | first = Lutz D.
⚫
|title=Dictionary of Minor Planet Names – (2423) Ibarruri
⚫
|publisher = Springer Berlin Heidelberg
⚫
|last=Schmadel |first=Lutz D.
⚫
|page = 198
⚫
|publisher=Springer Berlin Heidelberg
|date = 2007
⚫
|page=198
|url = http://link.springer.com/referenceworkentry/10.1007/978-3-540-29925-7_2424
|date=2003
|isbn=978-3-540-29925-7
|isbn = 978-3-540-00238-3
|accessdate=25 November 2015}}</ref>
|accessdate = 7 December 2016}}</ref>


<ref name="MPC-Ibarruri">{{cite web
<ref name="MPC-Ibarruri">{{cite web
|title=2423 Ibarruri (1972 NC)
|title = 2423 Ibarruri (1972 NC)
|work=Minor Planet Center
|work = Minor Planet Center
|url=http://www.minorplanetcenter.net/db_search/show_object?object_id=2423
|url = http://www.minorplanetcenter.net/db_search/show_object?object_id=2423
|accessdate=25 November 2015}}</ref>
|accessdate = 7 December 2016}}</ref>

<ref name="MPC-Circulars-Archive">{{cite web
|title = MPC/MPO/MPS Archive
|work = Minor Planet Center
|url = http://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html
⚫
|accessdate = 7 December 2016}}</ref>

⚫
<ref name="lcdb">{{cite web
⚫
|title = LCDB Data for (2423) Ibarruri
⚫
|publisher = Asteroid Lightcurve Database (LCDB)
⚫
|url = http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=2423%7CIbarruri
⚫
|accessdate = 7 December 2016}}</ref>


<ref name="Ferrero-2012a">{{cite journal
<ref name="Ferrero-2012a">{{Cite journal
|author = Ferrero, Andrea
|author = Ferrero, Andrea
|date = April 2012
|date = April 2012
|title = Lightcurve Determination at the Bigmuskie Observatory from 2011 July-December
|title = Lightcurve Determination at the Bigmuskie Observatory from 2011 July-December
Line 95: Line 98:
|issn = 1052-8091
|issn = 1052-8091
|bibcode = 2012MPBu...39...65F
|bibcode = 2012MPBu...39...65F
|access-date= 25 November 2015}}</ref>
|access-date= 7 December 2016}}</ref>


<ref name="Vander-Haagen-2012a">{{cite journal
<ref name="Vander-Haagen-2012a">{{Cite journal
|author = Vander Haagen
|author = Vander Haagen, Gary A.
|author2 = Gary A.
|date = April 2012
|date = April 2012
|title = Lightcurves of 724 Hapag, 2423 Ibarruri, 4274 Karamanov 4339 Almamater, and 5425 Vojtech.
|title = Lightcurves of 724 Hapag, 2423 Ibarruri, 4274 Karamanov 4339 Almamater, and 5425 Vojtech.
Line 109: Line 111:
|issn = 1052-8091
|issn = 1052-8091
|bibcode = 2012MPBu...39...48V
|bibcode = 2012MPBu...39...48V
|access-date= 25 November 2015}}</ref>
|access-date= 7 December 2016}}</ref>


<ref name="Buchheim-2012">{{cite journal
<ref name="Buchheim-2012">{{Cite journal
|author = Buchheim, Robert K.
|author = Buchheim, Robert K.
|date = October 2012
|date = October 2012
|title = Lightcurves of 2423 Ibarruri and 8345 Ulmerspatz
|title = Lightcurves of 2423 Ibarruri and 8345 Ulmerspatz
Line 122: Line 124:
|issn = 1052-8091
|issn = 1052-8091
|bibcode = 2012MPBu...39..209B
|bibcode = 2012MPBu...39..209B
|access-date= 25 November 2015}}</ref>
|access-date= 7 December 2016}}</ref>

<ref name="Veres-2015">{{cite journal
|display-authors = 6
|first1 = Peter |last1 = Veres
|first2 = Robert |last2 = Jedicke
|first3 = Alan |last3 = Fitzsimmons
|first4 = Larry |last4 = Denneau
|first5 = Mikael |last5 = Granvik
|first6 = Bryce |last6 = Bolin
|first7 = Serge |last7 = Chastel
|first8 = Richard J. |last8 = Wainscoat
|first9 = William S. |last9 = Burgett
|first10 = Kenneth C. |last10 = Chambers
|first11 = Heather |last11 = Flewelling
|first12 = Nick |last12 = Kaiser
|first13 = Eugen A. |last13 = Magnier
|first14 = Jeff S. |last14 = Morgan
|first15 = Paul A. |last15 = Price
|first16 = John L. |last16 = Tonry
|first17 = Christopher |last17 = Waters
|date = November 2015
|title = Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015Icar..261...34V
|journal = Icarus
|volume = 261
|pages = 34–47
|bibcode = 2015Icar..261...34V
|doi = 10.1016/j.icarus.2015.08.007
|arxiv = 1506.00762
|access-date= 7 December 2016}}</ref>

<ref name="Carry-2016">{{Cite journal
|first1 = B. |last1 = Carry
|first2 = E. |last2 = Solano
|first3 = S. |last3 = Eggl
|first4 = F. E. |last4 = DeMeo
|date = April 2016
|title = Spectral properties of near-Earth and Mars-crossing asteroids using Sloan photometry
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2016Icar..268..340C
|journal = Icarus
|volume = 268
|pages = 340–354
|bibcode = 2016Icar..268..340C
|doi = 10.1016/j.icarus.2015.12.047
|access-date= 7 December 2016}}</ref>


<ref name="jpl-A-type-list">{{cite web
<ref name="jpl-A-type-list">{{cite web
|title=JPL Small-Body Database Search Engine: spec. type <nowiki>=</nowiki> A (SMASSII)
|title = JPL Small-Body Database Search Engine: spec. type <nowiki>=</nowiki> A (SMASSII)
|publisher=JPL Solar System Dynamics
|publisher = JPL Solar System Dynamics
|url=http://ssd.jpl.nasa.gov/sbdb_query.cgi?obj_group=all;obj_kind=all;obj_numbered=all;OBJ_field=0;ORB_field=0;c1_group=OBJ;c1_item=Ax;c1_op=%3D;c1_value=A;table_format=HTML;max_rows=50;format_option=comp;c_fields=AcBhBgBjBiBnBsAiAx;.cgifields=format_option;.cgifields=obj_kind;.cgifields=obj_group;.cgifields=obj_numbered;.cgifields=ast_orbit_class;.cgifields=table_format;.cgifields=com_orbit_class&query=1&c_sort=AcA
|url = http://ssd.jpl.nasa.gov/sbdb_query.cgi?obj_group=all;obj_kind=all;obj_numbered=all;OBJ_field=0;ORB_field=0;c1_group=OBJ;c1_item=Ax;c1_op=%3D;c1_value=A;table_format=HTML;max_rows=50;format_option=comp;c_fields=AcBhBgBjBiBnBsAiAx;.cgifields=format_option;.cgifields=obj_kind;.cgifields=obj_group;.cgifields=obj_numbered;.cgifields=ast_orbit_class;.cgifields=table_format;.cgifields=com_orbit_class&query=1&c_sort=AcA |accessdate = 25 November 2015}}</ref>
⚫
|accessdate=25 November 2015}}</ref>


<ref name="Xu-1995">{{cite journal
<ref name="Xu-1995">{{cite journal
|author = Xu, Shui
|author = Xu, Shui
|author2 = Binzel, Richard P.
|author2 = Binzel, Richard P.
|author3 = Burbine, Thomas H.
|author3 = Burbine, Thomas H.
Line 147: Line 193:
<ref name="Pravec-2014b">{{cite journal
<ref name="Pravec-2014b">{{cite journal
|display-authors = 6
|display-authors = 6
|author = Pravec, P.
|author = Pravec, P.
|author2 = Scheirich, P.
|author2 = Scheirich, P.
|author3 = Durech, J.
|author3 = Durech, J.
Line 186: Line 232:
* [http://www.minorplanetcenter.net/iau/lists/NumberedMPs000001.html Discovery Circumstances: Numbered Minor Planets (1)-(5000)] – Minor Planet Center
* [http://www.minorplanetcenter.net/iau/lists/NumberedMPs000001.html Discovery Circumstances: Numbered Minor Planets (1)-(5000)] – Minor Planet Center
* {{JPL small body}}
* {{JPL small body}}
*[http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2423+Ibarruri JPL Small-Body Database Browser on 2423 Ibarruri]
{{Minor planets navigator|2422 Perovskaya|number=2423|2424 Tautenburg}}
{{Minor planets navigator|2422 Perovskaya|number=2423|2424 Tautenburg}}
Line 194: Line 239:
[[Category:Mars-crossing asteroids|002423]]
[[Category:Mars-crossing asteroids|002423]]
[[Category:Numbered minor planets|002423]]
[[Category:Numbered minor planets|002423]]
[[Category:Minor planets named for people|Ibarruri]]
[[Category:Discoveries by Lyudmila Zhuravleva]]
[[Category:Minor planets named for people]]
[[Category:Named minor planets]]
[[Category:Named minor planets]]
[[Category:Discoveries by Lyudmila Zhuravleva]]
[[Category:A-type asteroids (SMASS)|002423]]
[[Category:Astronomical objects discovered in 1972|19720714]]
[[Category:Astronomical objects discovered in 1972|19720714]]
[[Category:A-type asteroids (SMASS)|002423]]


{{mars-crosser-asteroid-stub}}

Revision as of 23:33, 6 December 2016

2423 Ibarruri
Discovery [1]
Discovered byL. Zhuravleva
Discovery siteCrAO - Nauchnyj
Discovery date14 July 1972
Designations
2423 Ibarruri
Named after
Rubén Ibárruri
(Hero of the Soviet Union)[2]
1972 NC · 1930 SV
1943 TB · 1956 VC
1972 PB
Mars-crosser [3][4]
Orbital characteristics [1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc59.36 yr (21682 days)
Aphelion2.8082 AU (420.10 Gm)
Perihelion1.5695 AU (234.79 Gm)
2.1889 AU (327.45 Gm)
Eccentricity0.28295
3.24 yr (1182.8 d)
133.18°
Inclination4.0559°
265.15°
80.218°
Earth MOID0.5705 AU
Physical characteristics
Dimensions6.50 km (calculated)[3]
139.79±0.04 h[a]
139.92±0.01 h[5]
73.08±0.10 h[6]
139.9±0.2 h[7]
0.330±0.167
0.20 (assumed)[3]
SMASS = A [1][8]
L [9] · S [10] · C [3]
13.3[1]
13.44±1.15[9]
13.20[10]
13.3[3]

2423 Ibarruri, provisional designation 1972 NC, is an eccentric, slow tumbling asteroid and Mars-crosser from the inner regions of the asteroid belt, about 7 kilometers in diameter. It was discovered by Russian–Ukrainian female astronomer Lyudmila Zhuravleva at the Crimean Astrophysical Observatory in Nauchnyj, on 14 July 1972.[4]

The spectral type of the asteroid is that of a rare A-type in the SMASS taxonomy, with its surface consisting of almost pure olivine, which gives the body a very reddish color. As of November 2015, only 17 minor planets of this type are known.[11] It orbits the Sun at a distance of 1.6–2.8 AU once every 3 years and 3 months (1,182 days). Its orbit shows a high eccentricity of 0.28 and an inclination of 4 degrees towards the plane of the ecliptic.

Ibarruri has a notably slow rotation period of 140 hours,[a][7] and seems to be in a non-principal axis rotation (NPAR), colloquially called as "tumbling".[12] As a spectroscopic A-type asteroid, it belongs to the larger group of bodies with a silicaceous composition. However, the Collaborative Asteroid Lightcurve Link classifies the asteroid into the carbonaceous group, despite the fact that is assumes a relatively high geometric albedo of 0.20,[3] which is rather typical for stony asteroids.

The minor planet was named after Rubén Ruiz Ibárruri (1920–1942), son of Spanish communist leader Dolores Ibárruri and a posthumous Hero of the Soviet Union. He enlisted in the Soviet army and died in the early stage of the Battle of Stalingrad in September 1942.[2] Naming citation was published on 8 February 1982 (M.P.C. 6649).[13]

References

  1. ^ a b Pravec (2011) web: rotation period 139.79±0.04 hours with a brightness amplitude of 0.74 mag. Summary figures at Collaborative Asteroid Lightcurve Link (CALL) for (2423) Ibarruri
  1. ^ a b c d "JPL Small-Body Database Browser: 2423 Ibarruri (1972 NC)" (2016-06-03 last obs.). Jet Propulsion Laboratory. Retrieved 7 December 2016.
  2. ^ a b Schmadel, Lutz D. (2007). Dictionary of Minor Planet Names – (2423) Ibarruri. Springer Berlin Heidelberg. p. 198. ISBN 978-3-540-00238-3. Retrieved 7 December 2016.
  3. ^ a b c d e f "LCDB Data for (2423) Ibarruri". Asteroid Lightcurve Database (LCDB). Retrieved 7 December 2016.
  4. ^ a b "2423 Ibarruri (1972 NC)". Minor Planet Center. Retrieved 7 December 2016.
  5. ^ Ferrero, Andrea (April 2012). "Lightcurve Determination at the Bigmuskie Observatory from 2011 July-December". The Minor Planet Bulletin. 39 (2): 65–67. Bibcode:2012MPBu...39...65F. ISSN 1052-8091. Retrieved 7 December 2016.
  6. ^ Vander Haagen, Gary A. (April 2012). "Lightcurves of 724 Hapag, 2423 Ibarruri, 4274 Karamanov 4339 Almamater, and 5425 Vojtech". The Minor Planet Bulletin. 39 (2): 48–50. Bibcode:2012MPBu...39...48V. ISSN 1052-8091. Retrieved 7 December 2016.
  7. ^ a b Buchheim, Robert K. (October 2012). "Lightcurves of 2423 Ibarruri and 8345 Ulmerspatz". The Minor Planet Bulletin. 39 (4): 209–211. Bibcode:2012MPBu...39..209B. ISSN 1052-8091. Retrieved 7 December 2016.
  8. ^ Xu, Shui; Binzel, Richard P.; Burbine, Thomas H.; Bus, Schelte J. (May 1995). "Small main-belt asteroid spectroscopic survey: Initial results". Icarus: 1–35. Bibcode:1995Icar..115....1X. doi:10.1006/icar.1995.1075. ISSN 0019-1035. Retrieved 25 November 2015.
  9. ^ a b Veres, Peter; Jedicke, Robert; Fitzsimmons, Alan; Denneau, Larry; Granvik, Mikael; Bolin, Bryce; et al. (November 2015). "Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results". Icarus. 261: 34–47. arXiv:1506.00762. Bibcode:2015Icar..261...34V. doi:10.1016/j.icarus.2015.08.007. Retrieved 7 December 2016.
  10. ^ a b Carry, B.; Solano, E.; Eggl, S.; DeMeo, F. E. (April 2016). "Spectral properties of near-Earth and Mars-crossing asteroids using Sloan photometry". Icarus. 268: 340–354. Bibcode:2016Icar..268..340C. doi:10.1016/j.icarus.2015.12.047. Retrieved 7 December 2016.
  11. ^ "JPL Small-Body Database Search Engine: spec. type = A (SMASSII)". JPL Solar System Dynamics. Retrieved 25 November 2015.
  12. ^ Pravec, P.; Scheirich, P.; Durech, J.; Pollock, J.; Kusnirák, P.; Hornoch, K.; et al. (May 2014). "The tumbling spin state of (99942) Apophis". Icarus. 233: 48–60. Bibcode:2014Icar..233...48P. doi:10.1016/j.icarus.2014.01.026. Retrieved 25 November 2015.
  13. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 7 December 2016.
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