3401 Vanphilos
| Discovery | |
|---|---|
| Discovered by | Harvard College |
| Discovery site | Agassiz Station |
| Discovery date | 1 August 1981 |
| Designations | |
| MPC designation | 3401 |
| 1981 PA | |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 25587 days (70.05 yr) |
| Aphelion | 3.2195526 AU (481.63821 Gm) |
| Perihelion | 1.5152815 AU (226.68289 Gm) |
| 2.367417 AU (354.1605 Gm) | |
| Eccentricity | 0.3599431 |
| 3.64 yr (1330.5 d) | |
| 101.79073° | |
| 0° 16m 14.079s / day | |
| Inclination | 21.79676° |
| 322.38531° | |
| 108.69530° | |
| Earth MOID | 0.661472 AU (98.9548 Gm) |
| Jupiter MOID | 2.405 AU (359.8 Gm) |
| Jupiter Tisserand parameter | 3.367 |
| Physical characteristics | |
| Dimensions | ~15km |
| 4.2261 h (0.17609 d) | |
Sidereal rotation period | 4.2 h |
| 12.3 | |
|
| |
3401 Vanphilos (1981 PA) is a Mars-crossing asteroid discovered on August 1, 1981 by Harvard College at Agassiz Station. With a diameter of ~15 km it is one of the largest Mars-crossing asteroids.
References
- ↑ "3401 Vanphilos (1981 PA)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 14 April 2016.
External links
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