11020 Orwell
| Discovery Perihelion | 2.6377 AU | |
|---|---|---|
| 3.0998 AU | ||
| Eccentricity | 0.1491 | |
| 5.46 yr (1,993 days) | ||
| 48.167° | ||
| 0° 10m 50.16s / day | ||
| Inclination | 3.0130° | |
| 153.87° | ||
| 136.87° | ||
| Physical characteristics | ||
| Dimensions | 14.466±0.115 km | |
| 0.089±0.004 | ||
| 12.6[1] | ||
11020 Orwell (
provisional designation 1984 OG) is a background asteroid from the outer regions of the asteroid belt, approximately 14 kilometers in diameter. It was discovered on 31 July 1984, by Czech astronomer Antonín Mrkos at Kleť Observatory in the Czech Republic. The asteroid was named after English writer George Orwell.[2][3]
Classification and orbit
Orwell orbits the Sun in the outer main-belt at a distance of 2.6–3.6 AU once every 5 years and 6 months (1,993 days). Its orbit has an eccentricity of 0.15 and an inclination of 3° with respect to the ecliptic.[1] It was first observed as 1979 SA9 at
Crimea–Nauchnij in 1979, extending the body's observation arc by 5 years prior to its official discovery observation at Klet.[3]
Physical characteristics
According to the survey carried out by NASA's
Lightcurves
As of 2017, Orwell's
Naming
This
M.P.C. 40705).[6]
References
- ^ a b c d e f "JPL Small-Body Database Browser: 11020 Orwell (1984 OG)" (2016-08-27 last obs.). Jet Propulsion Laboratory. Archived from the original on 13 April 2017. Retrieved 23 June 2017.
- ^ ISBN 978-3-540-00238-3.
- ^ a b "11020 Orwell (1984 OG)". Minor Planet Center. Retrieved 12 April 2017.
- . Retrieved 12 April 2017.
- ^ "LCDB Data for (11020) Orwell". Asteroid Lightcurve Database (LCDB). Retrieved 12 April 2017.
- ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 12 April 2017.
External links
- Kleť Observatory & KLENOT Project homepage
- Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (10001)-(15000) – Minor Planet Center
- 11020 Orwell at AstDyS-2, Asteroids—Dynamic Site
- 11020 Orwell at the JPL Small-Body Database
