1983 Bok
| Discovery [1] | |
|---|---|
| Discovered by | E. Roemer |
| Discovery site | Steward Observatory |
| Discovery date | 9 June 1975 |
| Designations | |
| MPC designation | 1983 Bok |
|
Named after
|
Bart Bok and Priscilla Fairfield Bok[2] |
| 1975 LB · 1950 RV 1963 UJ |
|
| main-belt · (middle) [3] | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 65.14 yr (23,791 days) |
| Aphelion | 2.8784 AU |
| Perihelion | 2.3643 AU |
| 2.6214 AU | |
| Eccentricity | 0.0980 |
| 4.24 yr (1,550 days) | |
| 76.012° | |
| Inclination | 9.4077° |
| 23.596° | |
| 345.53° | |
| Physical characteristics | |
| Dimensions | 15±3 km[4] 10.56 km (calculated)[3] |
| 10.70±0.01 h[4] | |
| 0.06±0.02[4] 0.10 (assumed)[3] |
|
| S [3] | |
| 13.0[1] | |
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1983 Bok, provisional designation 1975 LB, is an asteroid from the middle region of the asteroid belt, discovered by American astronomer Elizabeth Roemer at the U.S. Steward Observatory of the University of Arizona, Tucson, on 9 June 1975.[5]
The presumably stony asteroid measures about 15 kilometers in diameter and orbits the Sun at a distance of 2.4–2.9 AU once every 4.24 years (1,550 days). It has a rotation period of 10.7 hours and an albedo of 0.06,[4] while the Collaborative Asteroid Lightcurve Link (CALL) assumes the body to have a S-type spectrum with a somewhat higher albedo of 0.10 and a consequently shorter diameter of 11 kilometers.[3]
It is named after the Duch-born couple and astronomers Bart Bok and Priscilla Fairfield Bok, who studied the structure of the southern Milky Way and fostered astronomy in the Southern Hemisphere. It was the first minor planet discovered with the 90-inch Bok Telescope to be numbered. The asteroid was discovered at far southern declination.[2][nb 1]
Notes
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<references />, or <references group="..." />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
- 1983 Bok at the JPL Small-Body Database
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