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2038 Bistro

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2038 Bistro
Discovery [1]
Discovered byP. Wild
Discovery siteZimmerwald Obs.
Discovery date24 November 1973
Designations
(2038) Bistro
Pronunciation/ˈbiːstroʊ/
Named after
Bistro
(Small restaurant; French)[2]
1973 WF · 1941 KD
main-belt · (inner) [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc43.53 yr (15,899 days)
Aphelion2.6556 AU
Perihelion2.2139 AU
2.4347 AU
Eccentricity0.0907
3.80 yr (1,388 days)
5.0403°
0° 15m 33.84s / day
Inclination14.809°
73.475°
183.69°
Physical characteristics
Dimensions10.55±0.76 km[4]
10.959±0.083 km[5]
11.82±2.64 km[6]
12.192±0.028 km[7]
12.58±1.2 km[8]
12.69 km (derived)[3]
13.52±0.37 km[9]
7.88 h (dated)[10]
7.89 h (dated)[a]
8 h (dated)[11]
17.051±0.006 h[12]
0.1342±0.030[8]
0.1433±0.0218[7]
0.168±0.032[9]
0.1739 (derived)[3]
0.191±0.029[4]
0.25±0.10[6]
SMASS = Sa [1] · S [3]
11.90[6][9] · 12.0[1][3] · 12.3[4][7][8] · 12.39±0.46[13]

2038 Bistro (/ˈbiːstroʊ/), provisional designation 1973 WF, is a stony asteroid from the inner regions of the asteroid belt, approximately 12 kilometers in diameter. The asteroid was discovered on 24 November 1973, by Swiss astronomer Paul Wild at the Zimmerwald Observatory near Bern, Switzerland.[14] It was named for the Bistro restaurant.[2]

Orbit and classification

Bistro orbits the Sun in the inner main-belt at a distance of 2.2–2.7 AU once every 3 years and 10 months (1,388 days). Its orbit has an eccentricity of 0.09 and an inclination of 15° with respect to the ecliptic.[1] The asteroid's observation arc begins with its official discovery observation at Zimmerwald.[14]

Physical characteristics

In the SMASS classification, Bistro is a Sa-type asteroid, which transitions from the common S-types to the A-type asteroids.[1]

Lightcurves

In April 2013, a rotational lightcurve of Bistro was obtained from photometric observations at the Bassano Bresciano Observatory in Italy. Lightcurve analysis gave a rotation period of 17.051 hours with a brightness variation of 0.12 magnitude (U=2-).[12]

The results supersede three previously published results from fragmentary lightcurves that gave a much shorter period between 7.88 and 8 hours (U=1/1/1).[10][11][a]

Diameter and albedo

According to the surveys carried out by the Japanese Akari satellite and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Bistro measures between 10.55 and 13.52 kilometers in diameter and its surface has an albedo between 0.1342 and 0.25.[4][5][6][7][8][9]

The Collaborative Asteroid Lightcurve Link derives an albedo of 0.1739 and a diameter of 12.69 kilometers based on an absolute magnitude of 12.0.[3]

Naming

This minor planet was named Bistro, the small type of restaurant that originated from Paris. As with the precedingly numbered 2037 Tripaxeptalis, the name may also alludes to a numbers game, this time to 1019 Strackea, as (2038) = 2 × (1019) Strackea.[2] The approved naming citation was published by the Minor Planet Center on 1 June 1980 (M.P.C. 5359).[15]

Notes

  1. ^ a b DeGraff-2003b: unpublished lightcurve data for (2038) Bistro. Summary figures at Collaborative Asteroid Lightcurve Link (CALL)

References

  1. ^ a b c d e f "JPL Small-Body Database Browser: 2038 Bistro (1973 WF)" (2017-06-05 last obs.). Jet Propulsion Laboratory. Retrieved 3 July 2017.
  2. ^ a b c Schmadel, Lutz D. (2007). "(2038) Bistro". Dictionary of Minor Planet Names – (2038) Bistro. Springer Berlin Heidelberg. p. 165. doi:10.1007/978-3-540-29925-7_2039. ISBN 978-3-540-00238-3.
  3. ^ a b c d e f "LCDB Data for (2038) Bistro". Asteroid Lightcurve Database (LCDB). Retrieved 3 July 2017.
  4. ^ a b c d Usui, Fumihiko; Kuroda, Daisuke; Müller, Thomas G.; Hasegawa, Sunao; Ishiguro, Masateru; Ootsubo, Takafumi; et al. (October 2011). "Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey". Publications of the Astronomical Society of Japan. 63 (5): 1117–1138. Bibcode:2011PASJ...63.1117U. doi:10.1093/pasj/63.5.1117. Retrieved 17 October 2019. (online, AcuA catalog p. 153)
  5. ^ a b Masiero, Joseph R.; Grav, T.; Mainzer, A. K.; Nugent, C. R.; Bauer, J. M.; Stevenson, R.; et al. (August 2014). "Main-belt Asteroids with WISE/NEOWISE: Near-infrared Albedos". The Astrophysical Journal. 791 (2): 11. arXiv:1406.6645. Bibcode:2014ApJ...791..121M. doi:10.1088/0004-637X/791/2/121. Retrieved 3 July 2017.
  6. ^ a b c d Nugent, C. R.; Mainzer, A.; Masiero, J.; Bauer, J.; Cutri, R. M.; Grav, T.; et al. (December 2015). "NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos". The Astrophysical Journal. 814 (2): 13. arXiv:1509.02522. Bibcode:2015ApJ...814..117N. doi:10.1088/0004-637X/814/2/117. Retrieved 3 July 2017.
  7. ^ 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. arXiv:1109.6407. Bibcode:2011ApJ...741...90M. doi:10.1088/0004-637X/741/2/90.
  8. ^ a b c d Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0". NASA Planetary Data System. 12: IRAS-A-FPA-3-RDR-IMPS-V6.0. Bibcode:2004PDSS...12.....T. Retrieved 22 October 2019.
  9. ^ a b c d Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C.; et al. (November 2012). "Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids". The Astrophysical Journal Letters. 759 (1): 5. arXiv:1209.5794. Bibcode:2012ApJ...759L...8M. doi:10.1088/2041-8205/759/1/L8. Retrieved 3 July 2017.
  10. ^ a b Degraff, D. R.; Robbins, A. M.; Gutermuth, R. A. (December 1998). "Rotation Curves for 13 Asteroids". American Astronomical Society. 30: 1390. Bibcode:1998AAS...193.9608D. Retrieved 3 July 2017.
  11. ^ a b Behrend, Raoul. "Asteroids and comets rotation curves – (2038) Bistro". Geneva Observatory. Retrieved 3 July 2017.
  12. ^ a b Strabla, Luca; Quadri, Ulisse; Girelli, Roberto (October 2013). "3 Asteroids' Lightcurve Analysis from Bassano Bresciano Observatory". The Minor Planet Bulletin. 40 (4): 232–233. Bibcode:2013MPBu...40..232S. ISSN 1052-8091. Retrieved 3 July 2017.
  13. ^ 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 3 July 2017.
  14. ^ a b "2038 Bistro (1973 WF)". Minor Planet Center. Retrieved 3 July 2017.
  15. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 3 July 2017.

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