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{{Infobox planet
#REDIRECT [[List of minor planets: 13001–14000#101]]
| minorplanet = yes
{{R to list entry}}
| name = 13154 Petermrva
| background = #FFFFC0
| image =
| caption =
| discovery_ref = &thinsp;<ref name="jpldata" />
| discovered = 7 September 1995
| discoverer = [[Adrián Galád|A. Galád]]<br />[[Alexander Pravda|A. Pravda]]
| discovery_site = [[Modra Observatory]]
| mp_name = 13154 Petermrva
| alt_names = 1995 RC{{·}}{{mp|1972 TL|6}}
| named_after = [[Peter Mrva]]<br />{{small|([[amateur astronomer]])}}<ref name="springer" />
| mp_category = [[main-belt]]{{·}}[[Flora family|Flora]]&thinsp;<ref name="lcdb" />
| orbit_ref = &thinsp;<ref name="jpldata" />
| epoch = 13 January 2016 ([[Julian day|JD]] 2457400.5)
| uncertainty = 0
| observation_arc = {{nowrap|43.20 yr (15,779 days)&nbsp;&nbsp;&nbsp;}}
| aphelion = 2.5778 [[Astronomical unit|AU]]
| perihelion = 1.8408 AU
| semimajor = 2.2093 AU
| eccentricity = 0.1667
| period = 3.28 [[Julian year (astronomy)|yr]] (1,200 days)
| mean_anomaly = 50.425[[degree (angle)|°]]
| inclination = 5.5260°
| asc_node = 331.65°
| arg_peri = 58.762°
| dimensions = {{val|4.170|0.239}} km<ref name="WISE" /><br />{{val|4.176|}} km<ref name="Pravec-2012b" /><br />4.18 km {{small|(taken)}}<ref name="lcdb" />
| rotation = {{val|2.98502|0.00004}} [[hour|h]]<ref name="Galad-2007a" /><br />{{val|2.9848|0.0002}} h{{efn|name=lcdb-Pravec}}
| albedo = {{val|0.1523|0.0199}}<ref name="WISE" /><br />{{val|0.1464}}<ref name="Pravec-2012b" />
| spectral_type = [[S-type asteroid|S]]&thinsp;<ref name="lcdb" />
| abs_magnitude = 14.1<ref name="jpldata" /><br />14.6<ref name="Pravec-2012b" /><br />14.56<ref name="WISE" /><br />14.11{{efn|name=lcdb-Pravec}}
}}


'''13154 Petermrva''', provisional designation 1995 RC, is a stony [[asteroid]] from the inner regions of the [[asteroid belt]], about 4 kilometers in diameter. It was discovered on 7 September 1995, by Slovak astronomers [[Adrián Galád]] and Alexander Pravda at the [[Modra Observatory]] in the Bratislava Region of Slovakia.<ref name="MPC-Petermrva" />
<!--

Before reverting this redirect into an article, please
The [[S-type asteroid|S-type]] asteroid is a member of the [[Flora family]], one of the largest groups of stony asteroids in the main-belt. It orbits the Sun at a distance of 1.8–2.6&nbsp;[[Astronomical unit|AU]] once every 3 years and 3 months (1,200 days). Its orbit shows an [[orbital eccentricity|eccentricity]] of 0.17 and an [[orbital inclination|inclination]] of 6 degrees from the plane of the [[ecliptic]].<ref name="jpldata" />
check whether the content will satisfy the guidelines for

astronomical object notability on WP:NASTRO. In particular,
Two well-defined photometric [[light-curve]] analysis at the Modra and [[Ondřejov Observatory]] redndered a [[rotation period]] of {{val|2.98502|0.00004}} and {{val|2.9848|0.0002}} hours, with a brightness amplitude of 0.18 and 0.14 in [[Magnitude (astronomy)|magnitude]], respectively.<ref name="Galad-2007a" />{{efn|name=lcdb-Pravec}} According to the thermal observation carried out by the [[NEOWISE]] mission of NASA's [[Wide-field Infrared Survey Explorer]], the asteroid measures 4.2 kilometer and has – for a stony asteroid of the Flora family – a relatively low [[astronomical albedo|albedo]] of 0.15,<ref name="WISE" />
the object must have significant coverage from independent,

reliable sources. Just because an object is listed in a
The minor planet is named after Czech amateur astronomer Peter Mrva (b.&thinsp;1962). He helped to build the discovering Modra observatory, after which the minor planet [[11118 Modra]] is named. He was also one of the first astronomers at Modra. During years of mostly manual labor, he taught, helped to explain and inspired the second discoverer, Alexander Pravda, in some areas, including astronomy and computer graphics.<ref name="springer" />
database (like the JPL Small-Body Database) does not mean it

is notable.
== References ==
-->
{{notelist
|refs=

{{efn|name=lcdb-Pravec|1=Pravec (2008) web: rotation period {{val|2.9848|0.0002}} hours with a brightness amplitude of {{val|0.14}} mag. The Collaborative Asteroid Lightcurve Link rates the observations with a quality code of 3 (U=3), which denotes a secure result within the precision given and no ambiguity. Summary figures at {{URL|1=http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=13154%7CPetermrva |2=Collaborative Asteroid Lightcurve Link (CALL) for (13154) Petermrva}}}}

}} <!-- end of notelist -->

{{reflist
|refs=

<ref name="jpldata">{{cite web
|type = 2015-12-19 last obs.
|title = JPL Small-Body Database Browser: 13154 Petermrva (1995 RC)
|url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2013154
|publisher = Jet Propulsion Laboratory
|accessdate = January 2016}}</ref>

<ref name="springer">{{cite book
|title = Dictionary of Minor Planet Names – (13154) Petermrva
|last = Schmadel | first = Lutz D.
|publisher = Springer Berlin Heidelberg
|page = 793
|date = 2007
|url = http://link.springer.com/referenceworkentry/10.1007/978-3-540-29925-7_8748
|isbn = 978-3-540-00238-3
|accessdate = January 2016}}</ref>

<ref name="MPC-Petermrva">{{cite web
|title = 13154 Petermrva (1995 RC)
|work = Minor Planet Center
|url = http://www.minorplanetcenter.net/db_search/show_object?object_id=13154
|accessdate = January 2016}}</ref>

<ref name="lcdb">{{cite web
|title = LCDB Data for (13154) Petermrva
|publisher = Asteroid Lightcurve Database (LCDB)
|url = http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=13154%7CPetermrva
|accessdate = January 2016}}</ref>

<ref name="WISE">{{cite journal
|display-authors = 6
|first1 = A. |last1 = Mainzer
|first2 = T. |last2 = Grav
|first3 = J. |last3 = Masiero
|first4 = E. |last4 = Hand
|first5 = J. |last5 = Bauer
|first6 = D. |last6 = Tholen
|first7 = R. S. |last7 = McMillan
|first8 = T. |last8 = Spahr
|first9 = R. M. |last9 = Cutri
|first10 = E. |last10 = Wright
|first11 = J. |last11 = Watkins
|first12 = W. |last12 = Mo
|first13 = C. |last13 = Maleszewski
|date = November 2011
|title = NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011ApJ...741...90M
|journal = The Astrophysical Journal
|volume = 741
|issue = 2
|page = 25
|bibcode = 2011ApJ...741...90M
|doi = 10.1088/0004-637X/741/2/90
|access-date= January 2016}}</ref>

<ref name="Pravec-2012b">{{cite journal
|first1 = Petr |last1 = Pravec
|first2 = Alan W. |last2 = Harris
|first3 = Peter |last3 = Kusnirák
|first4 = Adrián |last4 = Galád
|first5 = Kamil |last5 = Hornoch
|date = September 2012
|title = Absolute magnitudes of asteroids and a revision of asteroid albedo estimates from WISE thermal observations
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2012Icar..221..365P
|journal = Icarus
|volume = 221
|issue = 1
|pages = 365–387
|bibcode = 2012Icar..221..365P
|doi = 10.1016/j.icarus.2012.07.026
|access-date= January 2016}}</ref>

<ref name="Galad-2007a">{{cite journal
|author = Galád, A.
|date = April 2007
|title = Lightcurves and Synodic Periods for Asteroids 1998 ST49, (13154) and (27529)
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2007EM&P..100...77G
|journal = Earth
|volume = 100
|issue = 1-2
|pages = 77–82(EM&PHomepage)
|bibcode = 2007EM&P..100...77G
|doi = 10.1007/s11038-006-9099-1
|access-date= January 2016}}</ref>

}} <!-- end of reflist -->

== External links ==
* [http://www.asu.cas.cz/~ppravec/neo.htm Ondrejov Asteroid Photometry Project], Pravec, P.; Wolf, M.; Sarounova, L. (2008)
* [http://www.minorplanet.info/PHP/lcdbsummaryquery.php Asteroid Lightcurve Database (LCDB)], query form ([http://www.minorplanet.info/lightcurvedatabase.html info])
* [https://books.google.se/books?id=aeAg1X7afOoC&pg Dictionary of Minor Planet Names], Google books
* [http://obswww.unige.ch/~behrend/page_cou.html Asteroids and comets rotation curves, CdR] – Observatoire de Genève, Raoul Behrend
* [http://www.minorplanetcenter.net/iau/lists/NumberedMPs010001.html Discovery Circumstances: Numbered Minor Planets (10001)-(15000)] – Minor Planet Center
* {{JPL small body|title=13154 Petermrva (1995 RC)|id=2013154}}

{{MinorPlanets Navigator|(13153) 1995 QC3|(13155) 1995 SB1}}
{{Small Solar System bodies}}


{{DEFAULTSORT:Petermrva}}
{{DEFAULTSORT:Petermrva}}
[[Category:Main-belt asteroids]]
[[Category:Main-belt asteroids|013154]]
[[Category:Numbered asteroids|013154]]
[[Category:Numbered asteroids|013154]]
[[Category:Astronomical objects discovered in 1995]]
[[Category:Asteroids named for people|Petermrva]]
[[Category:Astronomical objects discovered in 1995|19950907]]
[[Category:Flora asteroids|013154]]


{{Beltasteroid-stub}}

Revision as of 19:53, 24 January 2016

13154 Petermrva
Discovery [1]
Discovered byA. Galád
A. Pravda
Discovery siteModra Observatory
Discovery date7 September 1995
Designations
13154 Petermrva
Named after
Peter Mrva
(amateur astronomer)[2]
1995 RC · 1972 TL6
main-belt · Flora [3]
Orbital characteristics [1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc43.20 yr (15,779 days)   
Aphelion2.5778 AU
Perihelion1.8408 AU
2.2093 AU
Eccentricity0.1667
3.28 yr (1,200 days)
50.425°
Inclination5.5260°
331.65°
58.762°
Physical characteristics
Dimensions4.170±0.239 km[4]
4.176 km[5]
4.18 km (taken)[3]
2.98502±0.00004 h[6]
2.9848±0.0002 h[a]
0.1523±0.0199[4]
0.1464[5]
S [3]
14.1[1]
14.6[5]
14.56[4]
14.11[a]

13154 Petermrva, provisional designation 1995 RC, is a stony asteroid from the inner regions of the asteroid belt, about 4 kilometers in diameter. It was discovered on 7 September 1995, by Slovak astronomers Adrián Galád and Alexander Pravda at the Modra Observatory in the Bratislava Region of Slovakia.[7]

The S-type asteroid is a member of the Flora family, one of the largest groups of stony asteroids in the main-belt. It orbits the Sun at a distance of 1.8–2.6 AU once every 3 years and 3 months (1,200 days). Its orbit shows an eccentricity of 0.17 and an inclination of 6 degrees from the plane of the ecliptic.[1]

Two well-defined photometric light-curve analysis at the Modra and Ondřejov Observatory redndered a rotation period of 2.98502±0.00004 and 2.9848±0.0002 hours, with a brightness amplitude of 0.18 and 0.14 in magnitude, respectively.[6][a] According to the thermal observation carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, the asteroid measures 4.2 kilometer and has – for a stony asteroid of the Flora family – a relatively low albedo of 0.15,[4]

The minor planet is named after Czech amateur astronomer Peter Mrva (b. 1962). He helped to build the discovering Modra observatory, after which the minor planet 11118 Modra is named. He was also one of the first astronomers at Modra. During years of mostly manual labor, he taught, helped to explain and inspired the second discoverer, Alexander Pravda, in some areas, including astronomy and computer graphics.[2]

References

  1. ^ a b c Pravec (2008) web: rotation period 2.9848±0.0002 hours with a brightness amplitude of 0.14 mag. The Collaborative Asteroid Lightcurve Link rates the observations with a quality code of 3 (U=3), which denotes a secure result within the precision given and no ambiguity. Summary figures at Collaborative Asteroid Lightcurve Link (CALL) for (13154) Petermrva
  1. ^ a b c d "JPL Small-Body Database Browser: 13154 Petermrva (1995 RC)" (2015-12-19 last obs.). Jet Propulsion Laboratory. Retrieved January 2016. {{cite web}}: Check date values in: |accessdate= (help)
  2. ^ a b Schmadel, Lutz D. (2007). Dictionary of Minor Planet Names – (13154) Petermrva. Springer Berlin Heidelberg. p. 793. ISBN 978-3-540-00238-3. Retrieved January 2016. {{cite book}}: Check date values in: |accessdate= (help)
  3. ^ a b c "LCDB Data for (13154) Petermrva". Asteroid Lightcurve Database (LCDB). Retrieved January 2016. {{cite web}}: Check date values in: |accessdate= (help)
  4. ^ a b c d Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; Tholen, D.; et al. (November 2011). "NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results". The Astrophysical Journal. 741 (2): 25. Bibcode:2011ApJ...741...90M. doi:10.1088/0004-637X/741/2/90. Retrieved January 2016. {{cite journal}}: Check date values in: |access-date= (help)
  5. ^ a b c Pravec, Petr; Harris, Alan W.; Kusnirák, Peter; Galád, Adrián; Hornoch, Kamil (September 2012). "Absolute magnitudes of asteroids and a revision of asteroid albedo estimates from WISE thermal observations". Icarus. 221 (1): 365–387. Bibcode:2012Icar..221..365P. doi:10.1016/j.icarus.2012.07.026. Retrieved January 2016. {{cite journal}}: Check date values in: |access-date= (help)
  6. ^ a b Galád, A. (April 2007). "Lightcurves and Synodic Periods for Asteroids 1998 ST49, (13154) and (27529)". Earth. 100 (1–2): 77–82(EM&PHomepage). Bibcode:2007EM&P..100...77G. doi:10.1007/s11038-006-9099-1. Retrieved January 2016. {{cite journal}}: Check date values in: |access-date= (help)
  7. ^ "13154 Petermrva (1995 RC)". Minor Planet Center. Retrieved January 2016. {{cite web}}: Check date values in: |accessdate= (help)

External links


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