273 Atropos
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| Discovery A | |
|---|---|
| Discoverer | Johann Palisa |
| Discovery date | March 8, 1888 |
| Alternate designations B |
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| Category | Main belt |
| Orbital elements C | |
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| Eccentricity (e) | 0.16 |
| Semi-major axis (a) | 358.364 Gm (2.396 AU) |
| Perihelion (q) | 301.085 Gm (2.013 AU) |
| Aphelion (Q) | 415.643 Gm (2.778 AU) |
| Orbital period (P) | 1354.216 d (3.71 a) |
| Mean orbital speed | 19.24 km/s |
| Inclination (i) | 20.44° |
| Longitude of the ascending node (Ω) |
159.145° |
| Argument of perihelion (ω) |
120.6° |
| Mean anomaly (M) | 91.72° |
| Physical characteristics D | |
| Dimensions | 29.0 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Spectral class | unknown |
| Absolute magnitude | 10.26 |
| Albedo (geometric) | unknown |
| Mean surface temperature |
unknown |
273 Atropos is a typical Main belt asteroid.
It was discovered by Johann Palisa on March 8, 1888 in Vienna.
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