404 Arsinoë
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Discovery A | |
---|---|
Discoverer | Auguste Charlois |
Discovery date | June 20, 1895 |
Alternate designations B |
1895 BY |
Category | Main belt |
Orbital elements C | |
|
|
Eccentricity (e) | 0.198 |
Semi-major axis (a) | 388.173 Gm (2.595 AU) |
Perihelion (q) | 311.226 Gm (2.08 AU) |
Aphelion (Q) | 465.119 Gm (3.109 AU) |
Orbital period (P) | 1526.65 d (4.18 a) |
Mean orbital speed | 18.49 km/s |
Inclination (i) | 14.113° |
Longitude of the ascending node (Ω) |
92.688° |
Argument of perihelion (ω) |
121.01° |
Mean anomaly (M) | 129.956° |
Physical characteristics D | |
Dimensions | 98.0 km |
Mass | unknown |
Density | unknown |
Surface gravity | unknown |
Escape velocity | unknown |
Rotation period | unknown |
Spectral class | C |
Absolute magnitude | 9.01 |
Albedo (geometric) | unknown |
Mean surface temperature |
unknown |
404 Arsinoë is a large Main belt asteroid. It is classified as a C-type asteroid and is probably composed of carbonaceous material.
It was discovered by Auguste Charlois on June 20, 1895 in Nice.
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.