696 Leonora
696 Leonora is a Meliboean asteroid orbiting the Sun in the asteroid belt. It was discovered 10 January 1910 by American astronomer Joel Hastings Metcalf, at Taunton, Massachusetts. It was named by Arthur Snow of the United States Naval Observatory, who computed the orbit for the planet, after his wife, Mary Leonora Snow.
| Discovery | |
|---|---|
| Discovered by | Joel Hastings Metcalf |
| Discovery site | Taunton, Massachusetts |
| Discovery date | 10 January 1910 |
| Designations | |
MPC designation | (696) Leonora |
Alternative designations | 1910 JJ |
Minor planet category | main-belt · (outer) Meliboea |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 95.46 yr (34866 d) |
| Aphelion | 3.9660 AU (593.31 Gm) |
| Perihelion | 2.3753 AU (355.34 Gm) |
Semi-major axis | 3.1707 AU (474.33 Gm) |
| Eccentricity | 0.25085 |
Orbital period (sidereal) | 5.65 yr (2062.2 d) |
Mean anomaly | 307.652° |
Mean motion | 0° 10m 28.452s / day |
| Inclination | 13.036° |
Longitude of ascending node | 299.519° |
| 104.093° | |
| Physical characteristics | |
Mean radius | 37.88±1 km |
Synodic rotation period | 26.8964 h (1.12068 d) |
| 0.0773±0.004 | |
| 9.4 | |
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