98722 Elenaumberto
| Discovery and designation | |
|---|---|
| Discovered by | Gianluca Masi |
| Discovery date | December 22, 2000 |
| Designations | |
| 2000 YJ8 | |
| Main belt | |
| Orbital characteristics | |
| Epoch February 4, 2008 (JD 2454500.5) | |
| Aphelion | 461.625 Gm (3.086 AU) |
| Perihelion | 311.661 Gm (2.083 AU) |
| 386.643 Gm (2.585 AU) | |
| Eccentricity | 0.194 |
| 1517.663 d (4.16 a) | |
Average orbital speed | 18.35 km/s |
| 322.116° | |
| Inclination | 12.038° |
| 278.437° | |
| 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 | ~173 K |
| ? | |
| 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.
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