445 Edna
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Discovery A | |
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Discoverer | E. F. Coddington |
Discovery date | October 2, 1899 |
Alternate designations B |
1899 EX |
Category | Main belt |
Orbital elements C | |
|
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Eccentricity (e) | 0.19 |
Semi-major axis (a) | 479.437 Gm (3.205 AU) |
Perihelion (q) | 388.401 Gm (2.596 AU) |
Aphelion (Q) | 570.472 Gm (3.813 AU) |
Orbital period (P) | 2095.554 d (5.74 a) |
Mean orbital speed | 16.64 km/s |
Inclination (i) | 21.347° |
Longitude of the ascending node (Ω) |
292.586° |
Argument of perihelion (ω) |
79.262° |
Mean anomaly (M) | 189.15° |
Physical characteristics D | |
Dimensions | 87.0 km |
Mass | unknown |
Density | unknown |
Surface gravity | unknown |
Escape velocity | unknown |
Rotation period | unknown |
Spectral class | unknown |
Absolute magnitude | 9.29 |
Albedo (geometric) | unknown |
Mean surface temperature |
unknown |
445 Edna is a large Main belt asteroid.
It was discovered by E. F. Coddington on October 2, 1899 at Mount Hamilton, California. It was his third and final asteroid discovery.
Minor planets | ||
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Previous minor planet | 445 Edna | Next minor planet |
List of asteroids |
Vulcanoids · Near-Earth asteroids · Main belt · Jupiter Trojans · Centaurs · Damocloids · Comets · Trans-Neptunians (Kuiper belt • Scattered disc • Oort cloud)
For other objects and regions, see Asteroid groups and families, Binary asteroids, Asteroid moons and the Solar System.
For a complete listing, see List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names.