2984 Chaucer
2984 Chaucer, provisionally designated 1981 YD, is a main-belt asteroid, which was discovered by American astronomer Edward Bowell at Lowell's Anderson Mesa Station in Flagstaff, Arizona, on 30 December 1981.
| Discovery | |
|---|---|
| Discovered by | E. Bowell |
| Discovery site | Anderson Mesa Stn. |
| Discovery date | 30 December 1981 |
| Designations | |
MPC designation | (2984) Chaucer |
Named after | Geoffrey Chaucer |
Alternative designations | 1981 YD · 1963 FB 1965 UK1 · 1971 FZ 1971 JA |
Minor planet category | main-belt |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 63.53 yr (23,204 days) |
| Aphelion | 2.8025 AU |
| Perihelion | 2.1380 AU |
Semi-major axis | 2.4702 AU |
| Eccentricity | 0.1345 |
Orbital period (sidereal) | 3.88 yr (1,418 days) |
Mean anomaly | 37.757° |
Mean motion | 0° 15m 14.04s / day |
| Inclination | 3.0533° |
Longitude of ascending node | 81.815° |
| 46.551° | |
| Physical characteristics | |
| Dimensions | 15.422±0.078 27.2 km |
| 0.045±0.006 0.10 | |
| Temperature | ~ 177 K |
| 13.1 | |
It is named after Geoffrey Chaucer (1343–1400), the medieval English poet.
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