(4715) 1989 TS1

(4715) 1989 TS1
Discovery [1]
Discovered by Y. Oshima
Discovery site Gekko Obs.
Discovery date 9 October 1989
Designations
MPC designation (4715) 1989 TS1
1989 TS1 · 1972 GL1
1983 DF
Jupiter trojan [2][3]
(Trojan camp) [4]
Orbital characteristics [1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 61.62 yr (22,507 days)
Aphelion 5.3606 AU
Perihelion 4.8564 AU
5.1085 AU
Eccentricity 0.0494
11.55 yr (4,217 days)
128.72°
0° 5m 7.44s / day
Inclination 18.658°
1.6072°
346.11°
Jupiter MOID 0.0884 AU
Jupiter Tisserand parameter 2.8940
Physical characteristics
Dimensions 62.10±0.43 km[5]
63.91 km (calculated)[3]
65.93±1.80 km[6]
8.792±0.005 h[lower-alpha 1]
8.799±0.001 h[7]
8.8081±0.0115 h[8]
8.8129±0.0025 h[9]
0.057 (assumed)[3]
0.060±0.010[5]
0.079±0.005[6]
C [3]
9.30[6]
9.666±0.002 (R)[8]
9.7[1][3][5]
10.06±0.08[10]

    (4715) 1989 TS1 is a carbonaceous Jupiter trojan from the Trojan camp, approximately 63 kilometers in diameter. It was discovered on 9 October 1989, by Japanese astronomer Yoshiaki Oshima at the Gekko Observatory in Shizuoka Prefecture, Japan.[2]

    Photometric observations of this asteroid during 1991 were used to build a light curve showing a rotation period of 8.8129 ± 0.0025 hours with a brightness variation of 0.46 ± 0.01 magnitude.[9]

    References

    1. ↑ Stephens (2015) web: Summary figures at Collaborative Asteroid Lightcurve Link (CALL) for (4715)
    1. 1 2 3 "JPL Small-Body Database Browser: 4715 (1989 TS1)" (2016-05-20 last obs.). Jet Propulsion Laboratory. Retrieved 22 August 2016.
    2. 1 2 "4715 (1989 TS1)". Minor Planet Center. Retrieved 22 August 2016.
    3. 1 2 3 4 5 "LCDB Data for (4715)". Asteroid Lightcurve Database (LCDB). Retrieved 22 August 2016.
    4. ↑ "List of Jupiter Trojans". Minor Planet Center. 20 June 2016. Retrieved 22 August 2016.
    5. 1 2 3 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. arXiv:1109.6407 Freely accessible. doi:10.1088/0004-637X/741/2/90.
    6. 1 2 3 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 22 August 2016.
    7. ↑ Stephens, Robert D.; Coley, Daniel R.; French, Linda M. (July 2015). "Dispatches from the Trojan Camp - Jovian Trojan L5 Asteroids Observed from CS3: 2014 October - 2015 January". The Minor Planet Bulletin. 42 (3): 216–224. Bibcode:2015MPBu...42R.216S. ISSN 1052-8091. Retrieved 22 August 2016.
    8. 1 2 Waszczak, Adam; Chang, Chan-Kao; Ofek, Eran O.; Laher, Russ; Masci, Frank; Levitan, David; et al. (September 2015). "Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry". The Astronomical Journal. 150 (3): 35. Bibcode:2015AJ....150...75W. arXiv:1504.04041 Freely accessible. doi:10.1088/0004-6256/150/3/75. Retrieved 22 August 2016.
    9. 1 2 Mottola, Stefano; Di Martino, Mario; Erikson, Anders; Gonano-Beurer, Maria; Carbognani, Albino; Carsenty, Uri; et al. (May 2011). "Rotational Properties of Jupiter Trojans. I. Light Curves of 80 Objects". The Astronomical Journal. 141 (5): 32. Bibcode:2011AJ....141..170M. doi:10.1088/0004-6256/141/5/170. Retrieved 22 August 2016.
    10. ↑ 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. Bibcode:2015Icar..261...34V. arXiv:1506.00762 Freely accessible. doi:10.1016/j.icarus.2015.08.007. Retrieved 22 August 2016.
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