331 Etheridgea
Etheridgea (minor planet designation: 331 Etheridgea) is a large main belt asteroid.[1] It was discovered by Auguste Charlois on 1 April 1892 in Nice.
Discovery | |
---|---|
Discovered by | Auguste Charlois |
Discovery date | 1 April 1892 |
Designations | |
(331) Etheridgea | |
Pronunciation | /ˌɛθəˈrɪdʒiə/ |
Main belt | |
Orbital characteristics[1] | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 123.95 yr (45274 d) |
Aphelion | 3.32623 AU (497.597 Gm) |
Perihelion | 2.72055 AU (406.988 Gm) |
3.02339 AU (452.293 Gm) | |
Eccentricity | 0.10016 |
5.26 yr (1920.2 d) | |
88.5392° | |
0° 11m 14.939s / day | |
Inclination | 6.05385° |
22.0346° | |
333.055° | |
Physical characteristics | |
Dimensions | 74.92±2.7 km |
25.315 h (1.0548 d) | |
0.0447±0.003 | |
9.62 | |
References
- "331 Etheridgea". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
External links
- Lightcurve plot of 331 Etheridgea, Palmer Divide Observatory, B. D. Warner (1999)
- 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
- 331 Etheridgea at AstDyS-2, Asteroids—Dynamic Site
- 331 Etheridgea at the JPL Small-Body Database
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.