289 Nenetta
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Discovery A | |
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Discoverer | Joe Kramer |
Discovery date | March 10, 1890 |
Alternate designations B |
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Category | Main belt |
Orbital elements C | |
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Eccentricity (e) | 0.207 |
Semi-major axis (a) | 429.637 Gm (2.872 AU) |
Perihelion (q) | 340.911 Gm (2.279 AU) |
Aphelion (Q) | 518.363 Gm (3.465 AU) |
Orbital period (P) | 1777.686 d (4.87 a) |
Mean orbital speed | 17.58 km/s |
Inclination (i) | 6.691° |
Longitude of the ascending node (Ω) |
182.208° |
Argument of perihelion (ω) |
189.656° |
Mean anomaly (M) | 333.503° |
Physical characteristics D | |
Dimensions | 34.0 km |
Mass | unknown |
Density | unknown |
Surface gravity | unknown |
Escape velocity | unknown |
Rotation period | unknown |
Spectral class | unknown |
Absolute magnitude | 9.51 |
Albedo (geometric) | unknown |
Mean surface temperature |
unknown |
289 Nenetta is a typical Main belt asteroid.
It was discovered by Joe Kramer on March 10, 1890 in Nice.
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