269 Justitia
| Discovery | |
|---|---|
| Discovered by | Johann Palisa |
| Discovery date | 21 September 1887 |
| Designations | |
| 1942 XY | |
| Main belt | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 126.16 yr (46080 d) |
| Aphelion | 3.17477 AU (474.939 Gm) |
| Perihelion | 2.0555 AU (307.50 Gm) |
| 2.61515 AU (391.221 Gm) | |
| Eccentricity | 0.21399 |
| 4.23 yr (1544.7 d) | |
Average orbital speed | 18.41 km/s |
| 219.582° | |
| 0° 13m 59.016s / day | |
| Inclination | 5.4799° |
| 156.759° | |
| 119.62° | |
| Earth MOID | 1.0457 AU (156.43 Gm) |
| Jupiter MOID | 1.979 AU (296.1 Gm) |
| Jupiter Tisserand parameter | 3.368 |
| Physical characteristics | |
| Dimensions | 53.62±1.3 km |
| Mass | unknown |
Mean density | unknown |
Equatorial surface gravity | unknown |
Equatorial escape velocity | unknown |
| 33.128 h (1.3803 d) | |
| 0.0974±0.005 | |
| Temperature | unknown |
| unknown | |
| 9.7 | |
|
| |
269 Justitia is a fairly sizeable Main belt asteroid.
It was discovered by Johann Palisa on September 21, 1887 in Vienna.
The asteroid was named after Justitia, the Roman equivalent of Themis, the Greek goddess of justice (she also has an asteroid named after her, 24 Themis).
References
- ↑ "269 Justitia". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Asteroid Lightcurve Data File
External links
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