|
Discovery[1] and designation
|
|
|---|---|
| Discovered by | Edwin E. Sheridan |
| Discovery date | December 27, 2000 |
|
Designations
|
|
| Alternate name(s) | 2000 YF139 |
| Minor planet category |
Main belt |
| Epoch February 4, 2008 (JD 2454500.5) | |
| Aphelion | 452.166 Gm (3.023 AU) |
| Perihelion | 326.998 Gm (2.186 AU) |
| Semi-major axis | 389.582 Gm (2.604 AU) |
| Eccentricity | 0.161 |
| Orbital period | 1535.002 d (4.20 a) |
| Average orbital speed | 18.34 km/s |
| Mean anomaly | 254.876° |
| Inclination | 14.399° |
| Longitude of ascending node | 356.061° |
| Dimensions | ? km |
| Mass | ?×10? kg |
| Mean density | ? g/cm³ |
| Equatorial surface gravity | ? m/s² |
| Equatorial escape velocity | ? km/s |
| Sidereal rotation period |
? d |
| Axial tilt | ?° |
| Pole ecliptic latitude | ? |
| Pole ecliptic longitude | ? |
| Geometric albedo | 0.10 |
| Temperature | ~172 K |
| Spectral type | ? |
| Absolute magnitude (H) | 14.6 |
98825 Maryellen is an asteroid. It was discovered by Edwin E. Sheridan on December 27, 2000. Its provisional designation was 2000 YF139. It was named after Mary Ellen Craven, companion and partner of the discoverer.
|
|||||
|
||||||||||||||||||||||