426 Hippo
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Discovery A | |
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Discoverer | Auguste Charlois |
Discovery date | August 25, 1897 |
Alternate designations B |
1897 DH |
Category | Main belt |
Orbital elements C | |
|
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Eccentricity (e) | 0.105 |
Semi-major axis (a) | 431.921 Gm (2.887 AU) |
Perihelion (q) | 386.554 Gm (2.584 AU) |
Aphelion (Q) | 477.289 Gm (3.19 AU) |
Orbital period (P) | 1791.881 d (4.91 a) |
Mean orbital speed | 17.53 km/s |
Inclination (i) | 19.54° |
Longitude of the ascending node (Ω) |
311.733° |
Argument of perihelion (ω) |
218.928° |
Mean anomaly (M) | 128.076° |
Physical characteristics D | |
Dimensions | 127.0 km |
Mass | unknown |
Density | unknown |
Surface gravity | unknown |
Escape velocity | unknown |
Rotation period | unknown |
Spectral class | unknown |
Absolute magnitude | 8.42 |
Albedo (geometric) | unknown |
Mean surface temperature |
unknown |
426 Hippo is a very large Main belt asteroid.
It was discovered by Auguste Charlois on August 25, 1897 in Nice.
Minor planets | ||
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Previous minor planet | 426 Hippo | 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.