4276 Clifford
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| Discovery A | |
|---|---|
| Discoverer | Edward L. G. Bowell |
| Discovery date | December 2, 1981 |
| Alternate designations B |
1981 XA |
| Category | Main belt, Mars-crosser asteroid |
| Orbital elements C | |
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|
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| Eccentricity (e) | 0.2042473 |
| Semi-major axis (a) | 300.590 Gm (2.0093204 AU) |
| Perihelion (q) | 239.196 Gm (1.5989221 AU) |
| Aphelion (Q) | 361.985 Gm (2.41971867 AU) |
| Orbital period (P) | 1040.3325966 d (2.8483 a) |
| Mean orbital speed | km/s |
| Inclination (i) | 21.03722° |
| Longitude of the ascending node (Ω) |
76.96238° |
| Argument of perihelion (ω) |
3.46733° |
| Mean anomaly (M) | 242.8843° |
| Physical characteristics D | |
| Dimensions | 7.5 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Spectral class | Cb |
| Absolute magnitude | 14.30 |
| Albedo (geometric) | .15 |
| Mean surface temperature |
unknown |
The asteroid 4276 Clifford (previously known by the provisional designation (1981 XA) was discovered on December 2, 1981 by Edward L. G. Bowell at Flagstaff Observatory. It was named in honor of astronomer/author Clifford Cunningham. It is a member of the group of Main belt asteroids known as Mars-crosser asteroids, specifically it is listed as an Outer-grazer.
[edit] External links
- JPL's Info page
| Minor planets | ||
|---|---|---|
| Previous minor planet | 4276 Clifford | Next minor planet |
| List of asteroids | ||
Vulcanoids · Near-Earth asteroids · Main belt · Jupiter Trojans · Centaurs · Damocloids · Comets · Trans-Neptunians (Kuiper belt • Scattered disc • Oort cloud)
For other objects and regions, see Asteroid groups and families, Binary asteroids, Asteroid moons and the Solar System.
For a complete listing, see List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names.
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