446 Aeternitas
| Discovery | |
|---|---|
| Discovered by |
M. Wolf, A. Schwassmann |
| Discovery date | 27 October 1899 |
| Designations | |
Named after | Aeternitas |
| 1899 ER | |
| Main belt | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 116.23 yr (42452 d) |
| Aphelion | 3.14078 AU (469.854 Gm) |
| Perihelion | 2.43222 AU (363.855 Gm) |
| 2.78650 AU (416.854 Gm) | |
| Eccentricity | 0.12714 |
| 4.65 yr (1699.0 d) | |
Average orbital speed | 17.84 km/s |
| 83.3875° | |
| 0° 12m 42.811s / day | |
| Inclination | 10.6270° |
| 42.0823° | |
| 279.496° | |
| Earth MOID | 1.44785 AU (216.595 Gm) |
| Jupiter MOID | 2.21941 AU (332.019 Gm) |
| Jupiter Tisserand parameter | 3.294 |
| Physical characteristics | |
| Dimensions | 45.40±3.2 km[1] |
| Mass | unknown |
Mean density | unknown |
Equatorial surface gravity | unknown |
Equatorial escape velocity | unknown |
| 15.7413 h (0.65589 d)[1] | |
| 0.2361±0.038[1] | |
| Temperature | unknown |
| A[1] | |
| 8.90[1] | |
|
| |
446 Aeternitas is a main belt asteroid. It was discovered by Max Wolf and A. Schwassmann on October 27, 1899 in Heidelberg. It is classified as an A-type asteroid. The asteroid is roughly 45 km in diameter and has a high albedo.[1]
References
External links
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