98825 Maryellen
| Discovery and designation | |
|---|---|
| Discovered by | Edwin E. Sheridan |
| Discovery date | December 27, 2000 |
| Designations | |
| 2000 YF139 | |
| Main belt | |
| Orbital characteristics | |
| Epoch February 4, 2008 (JD 2454500.5) | |
| Aphelion | 452.166 Gm (3.023 AU) |
| Perihelion | 326.998 Gm (2.186 AU) |
| 389.582 Gm (2.604 AU) | |
| Eccentricity | 0.161 |
| 1535.002 d (4.20 a) | |
Average orbital speed | 18.34 km/s |
| 254.876° | |
| Inclination | 14.399° |
| 356.061° | |
| Physical characteristics | |
| Dimensions | ? km |
| Mass | ?×10? kg |
Mean density | ? g/cm³ |
Equatorial surface gravity | ? m/s² |
Equatorial escape velocity | ? km/s |
Sidereal rotation period | ? d |
| ?° | |
Pole ecliptic latitude | ? |
Pole ecliptic longitude | ? |
| 0.10 | |
| Temperature | ~172 K |
| ? | |
| 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.
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