342 Endymion
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| Discovery A | |
|---|---|
| Discoverer | Max Wolf |
| Discovery date | October 17, 1892 |
| Alternate designations B |
1892 K |
| Category | Main belt |
| Orbital elements C | |
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| Eccentricity (e) | 0.127 |
| Semi-major axis (a) | 384.374 Gm (2.569 AU) |
| Perihelion (q) | 335.435 Gm (2.242 AU) |
| Aphelion (Q) | 433.313 Gm (2.897 AU) |
| Orbital period (P) | 1504.296 d (4.12 a) |
| Mean orbital speed | 18.58 km/s |
| Inclination (i) | 7.339° |
| Longitude of the ascending node (Ω) |
232.772° |
| Argument of perihelion (ω) |
225.41° |
| Mean anomaly (M) | 49.705° |
| Physical characteristics D | |
| Dimensions | 61.0 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Spectral class | unknown |
| Absolute magnitude | 10.22 |
| Albedo (geometric) | unknown |
| Mean surface temperature |
unknown |
342 Endymion is a large Main belt asteroid.
It was discovered by Max Wolf on October 17, 1892 in Heidelberg.
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