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Discovery
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| Discovered by | M. Wolf, A. Schwassmann |
| Discovery date | October 27, 1899 |
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Designations
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| Named after | Aeternitas |
| Alternate name(s) | 1899 ER |
| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 468.891 Gm (3.134 AU) |
| Perihelion | 365.544 Gm (2.444 AU) |
| Semi-major axis | 417.217 Gm (2.789 AU) |
| Eccentricity | 0.124 |
| Orbital period | 1701.161 d (4.66 a) |
| Average orbital speed | 17.84 km/s |
| Mean anomaly | 273.482° |
| Inclination | 10.624° |
| Longitude of ascending node | 42.153° |
| Argument of perihelion | 280.035° |
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Physical characteristics
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| Dimensions | 45.0 km |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Albedo | unknown |
| Temperature | unknown |
| Spectral type | A |
| Absolute magnitude (H) | 8.9 |
446 Aeternitas is a main belt asteroid. It is classified as an A-type asteroid.
It was discovered by Max Wolf and A. Schwassmann on October 27, 1899 in Heidelberg.
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