98722 Elenaumberto
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Discovery[1] and designation
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| Discovered by | Gianluca Masi |
| Discovery date | December 22, 2000 |
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Designations
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| Alternative names[1] | 2000 YJ8 |
| Minor planet category |
Main belt |
| Epoch February 04, 2008 (JD 2454500.5) | |
| Aphelion | 461.625 Gm (3.086 AU) |
| Perihelion | 311.661 Gm (2.083 AU) |
| Semi-major axis | 386.643 Gm (2.585 AU) |
| Eccentricity | 0.194 |
| Orbital period | 1517.663 d (4.16 a) |
| Average orbital speed | 18.35 km/s |
| Mean anomaly | 322.116° |
| Inclination | 12.038° |
| Longitude of ascending node | 278.437° |
| 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 | ~173 K |
| Spectral type | ? |
| Absolute magnitude | 15.3 |
98722 Elenaumberto is an asteroid. It was discovered by Gianluca Masi on December 22, 2000. Its provisional designation was 2000 YJ8. It was named after Elena Persichilli and Umberto Masi, parents of the discoverer.
[edit] External links
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