1806 Derice
| Discovery [1] | |
|---|---|
| Discovery site | Perth Observatory–Bickley |
| Discovery date | 13 June 1971 |
| Designations | |
| MPC designation | 1806 Derice |
|
Named after
|
Derice Harwood (wife of astronomer)[2] |
| 1971 LC · 1927 EB 1942 TD · 1949 YD 1967 EB |
|
| main-belt · Flora [3] | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 65.88 yr (24,064 days) |
| Aphelion | 2.4749 AU |
| Perihelion | 1.9987 AU |
| 2.2368 AU | |
| Eccentricity | 0.1064 |
| 3.35 yr (1,222 days) | |
| 198.55° | |
| Inclination | 3.8407° |
| 271.13° | |
| 193.54° | |
| Physical characteristics | |
| Dimensions | 10.14±0.41 km[4] 10.697±0.061 km[5] 10.7 km[6] |
| 3.2240 h[7] 3.4602±0.0007 h[8] 3.22352±0.00004 h[lower-alpha 1] 3.2237±0.0001 h[lower-alpha 2] 3.2236±0.0005 h[lower-alpha 3] |
|
| 0.282±0.025[4] 0.2474±0.0669[5] 0.2149[6] |
|
| S [3] | |
| 12.1 | |
1806 Derice, provisional designation 1971 LC, is a stony asteroid from the inner regions of the asteroid belt, about 10 kilometers in diameter. It was discovered on 13 June 1971 at the Bickley site of the Perth Observatory in Western Australia and was the first discovery of a minor planet ever made in Oceania.[2][9]
It orbits the Sun at a distance of 2.0–2.5 AU once every 3 years and 4 months (1,222 days). With a semi-major axis of 2.24 AU, an orbital inclination of 3.8 degrees, and an eccentricity of 0.11 it is a core member of the Flora family of asteroids.[3] It has a rotation period of 3.2 hours. The assumed S-type asteroid has an albedo in the range of 0.21 to 0.28.[4][5][6]
The asteroid is named after Derice Harwood, wife of Dennis Harwood, a member of the astrometric team at the discovering observatory.[2]
Notes
- ↑ Pravec 2009, web publication, summary figures at the Light Curve Data Base-(1806) Derice
- ↑ Pravec 2011, summary figures: LCDB – (1806) Derice
- ↑ Pravec 2012, summary figures: LCDB – (1806) Derice
References
- ↑ 1.0 1.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 2.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 3.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 4.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 5.0 5.1 5.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 6.0 6.1 6.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
- Asteroid Lightcurve Database (LCDB), query form (info)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Geneve, Raoul Behrend
- 1806 Derice at the JPL Small-Body Database
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