1177 Gonnessia
| Discovery [1] | |
|---|---|
| Discovered by | L. Boyer |
| Discovery site | Algiers Observatory |
| Discovery date | 24 November 1930 |
| Designations | |
| MPC designation | 1177 Gonnessia |
Named after | François Gonnessiat[2] |
| 1930 WA · A923 RO | |
| main-belt (outer) | |
| Orbital characteristics [1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 85.12 yr (31089 days) |
| Aphelion | 3.4542 AU (516.74 Gm) |
| Perihelion | 3.2445 AU (485.37 Gm) |
| 3.3493 AU (501.05 Gm) | |
| Eccentricity | 0.031298 |
| 6.13 yr (2238.9 d) | |
| 280.68° | |
| 0° 9m 38.844s / day | |
| Inclination | 15.068° |
| 252.16° | |
| 241.29° | |
| Earth MOID | 2.28571 AU (341.937 Gm) |
| Jupiter MOID | 1.72873 AU (258.614 Gm) |
| Jupiter Tisserand parameter | 3.102 |
| Physical characteristics | |
| Dimensions | 92 km |
Mean radius | 45.99±4.95 km |
| 30.51 h (1.271 d) | |
| 0.0398±0.010 | |
|
B–V = 0.668 U–B = 0.244 Tholen = XFU | |
| 9.30 | |
|
| |
1177 Gonnessia, provisional designation 1930 WA, is a large, 92-kilometer in diameter asteroid of the outer main-belt. It was discovered on November 24, 1930, by French astronomer Louis Boyer at Algiers Observatory, Algeria, Northern Africa. It has the unusual spectral class XFU in the Tholen classification system.[1]
The asteroid is named after François Gonnessiat (1856–1934), director of the Algiers Bouzaréah and Quito Observatories.[2]
References
- 1 2 3 "JPL Small-Body Database Browser: 1177 Gonnessia (1930 WA)" (2015-09-23 last obs.). Jet Propulsion Laboratory. Retrieved 1 May 2016.
- 1 2 Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names – (1177) Gonnessia. Springer Berlin Heidelberg. p. 99. ISBN 978-3-540-29925-7. Retrieved October 2015.
External links
- Dictionary of Minor Planet Names, Google books
- 1177 Gonnessia at the JPL Small-Body Database
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