1665 Gaby
| Discovery [1] | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg Obs. |
| Discovery date | 27 February 1930 |
| Designations | |
| MPC designation | 1665 Gaby |
Named after |
Gaby Reinmuth (daughter-in-law of) Karl Reinmuth[2] |
|
1930 DQ · 1941 BC 1949 HS · 1951 WQ 1957 KF | |
| main-belt · (inner) [3] | |
| Orbital characteristics [1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 86.06 yr (31433 days) |
| Aphelion | 2.9134 AU (435.84 Gm) |
| Perihelion | 1.9151 AU (286.49 Gm) |
| 2.4142 AU (361.16 Gm) | |
| Eccentricity | 0.20675 |
| 3.75 yr (1370.1 d) | |
| 8.1415° | |
| 0° 15m 45.9s / day | |
| Inclination | 10.832° |
| 91.590° | |
| 5.9840° | |
| Earth MOID | 0.931882 AU (139.4076 Gm) |
| Jupiter MOID | 2.2831 AU (341.55 Gm) |
| Jupiter Tisserand parameter | 3.464 |
| Physical characteristics | |
| Dimensions |
10.960±0.021 km[4] 11.009 km[5] 11.01 km (taken)[3] |
|
66 h (2.8 d)[1][6] 67.905±0.005 h[7] | |
|
0.2681±0.0736[4] 0.2532[5] | |
|
B–V = 0.848 U–B = 0.481 Tholen = S S [3] | |
| 11.85 | |
|
| |
1665 Gaby, provisional designation 1930 DQ, is a stony asteroid and a slow rotator from the inner regions of the asteroid belt, about 11 kilometers in diameter. It was discovered by German astronomer Karl Reinmuth at Heidelberg Observatory on 27 February 1930.[8]
The S-type asteroid orbits the Sun at a distance of 1.9–2.9 AU once every 3 years and 9 months (1,370 days). Its orbit shows a rather high eccentricity of 0.21 and is tilted by 11 degrees to the plane of the ecliptic. It has a very slow rotation period of 66–68 hours.[6][7] and an albedo of 0.26 determined by the WISE/NEOWISE surveys.[4][5]
The asteroid was named by the discoverer after his daughter-in-law, Gaby Reinmuth.[2]
References
- 1 2 3 "JPL Small-Body Database Browser: 1665 Gaby (1930 DQ)" (2015-10-17 last obs.). Jet Propulsion Laboratory. Retrieved 22 April 2016.
- 1 2 Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names – (1665) Gaby. Springer Berlin Heidelberg. p. 132. ISBN 978-3-540-29925-7. Retrieved 12 November 2015.
- 1 2 3 "LCDB Data for (1665) Gaby". Asteroid Lightcurve Database (LCDB). Retrieved 12 November 2015.
- 1 2 3 Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; 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. Retrieved 12 November 2015. - 1 2 3 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 12 November 2015.
- 1 2 Behrend, Raoul. "Asteroids and comets rotation curves – (1665) Gaby". Geneva Observatory. Retrieved 12 November 2015.
- 1 2 Hanus, J.; Durech, J.; Broz, M.; Warner, B. D.; Pilcher, F.; et al. (June 2011). "A study of asteroid pole-latitude distribution based on an extended set of shape models derived by the lightcurve inversion method". Astronomy & Astrophysics. 530: 16. arXiv:1104.4114. Bibcode:2011A&A...530A.134H. doi:10.1051/0004-6361/201116738. Retrieved 12 November 2015.
- ↑ "1665 Gaby (1930 DQ)". Minor Planet Center. Retrieved 12 November 2015.
External links
- Asteroid Lightcurve Database (LCDB), query form (info)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- 1665 Gaby at the JPL Small-Body Database
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