Back 4276 Clifford (كويكب) ARZ (4276) Клиффорд CE (4276) Clifford German 4276 Clifford Esperanto (4276) Clifford Spanish ۴۲۷۶ کلیفورد Persian (4276) Clifford French 4276 Clifford Hungarian (4276) Կլիֆֆորդ Armenian 4276 Clifford Italian
| Discovery [1] | |
|---|---|
| Discovered by | E. Bowell |
| Discovery site | Lowell Obs. |
| Discovery date | 2 December 1981 |
| Designations | |
| (4276) Clifford | |
Named after | Clifford Cunningham (Canadian astronomer)[2] |
| 1981 XA | |
| Mars-crosser [1][3] · main belt | |
| Orbital characteristics [1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 35.67 yr (13,027 days) |
| Aphelion | 2.4195 AU |
| Perihelion | 1.5994 AU |
| 2.0095 AU | |
| Eccentricity | 0.2041 |
| 2.85 yr (1,040 days) | |
| 186.63° | |
| 0° 20m 45.6s / day | |
| Inclination | 21.033° |
| 76.881° | |
| 3.5494° | |
| Physical characteristics | |
| Dimensions | 4.441±1.128 km[4] |
| 0.142±0.107[4] | |
| SMASS = Cb [1] | |
| 14.6[1] | |
4276 Clifford, provisional designation1981 XA is an asteroid and sizable Mars-crosser from the innermost region of the asteroid belt, approximately 4.4 kilometers in diameter. It was discovered on 2 December 1981, by American astronomers Edward Bowell at Lowell Observatory in Flagstaff, United States. The asteroid was named in honor of astronomer and writer Clifford Cunningham.[3]
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