320 Katharina
| Discovery | |
|---|---|
| Discovered by | Johann Palisa |
| Discovery date | 11 October 1891 |
| Designations | |
| Main belt (Eos) | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 108.42 yr (39602 d) |
| Aphelion | 3.36300 AU (503.098 Gm) |
| Perihelion | 2.6595 AU (397.86 Gm) |
| 3.01122 AU (450.472 Gm) | |
| Eccentricity | 0.11682 |
| 5.23 yr (1908.6 d) | |
Average orbital speed | 17.16 km/s |
| 315.691° | |
| 0° 11m 19.036s / day | |
| Inclination | 9.3783° |
| 219.929° | |
| 150.129° | |
| Earth MOID | 1.66358 AU (248.868 Gm) |
| Jupiter MOID | 2.1203 AU (317.19 Gm) |
| Jupiter Tisserand parameter | 3.219 |
| Physical characteristics | |
| Dimensions | 17 - 37 km |
| Mass | [7.72 x 10^15 kg - 7.97 x 10^16 kg]? (assumed) |
Mean density | 3.0 g/cm^3? (assumed) |
Equatorial surface gravity | unknown |
Equatorial escape velocity | unknown |
| 6.893 h (0.2872 d) | |
| 0.3207-0.0677 | |
| Temperature | 145.78 K-157.79 K |
| K-type? | |
| 10.8 | |
|
| |
320 Katharina is a small Main belt asteroid orbiting in the Eos family of asteroids, including 513 Centesima and 221 Eos.[1] It was discovered by Johann Palisa on October 11, 1891 in Vienna.
References
- 1 2 "320 Katharina". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
External links
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