404 Arsinoë
| Discovery A | |
|---|---|
| Discoverer | Auguste Charlois |
| Discovery Date | June 20, 1895 |
| Alternate Designations | 1895 BY B |
| Category | Main belt |
| Orbital Elements C Epoch 30 January, 2005 (JD 2453400.5) | |
| 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 | |
| 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 | 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 privitive carbonates.
It was discovered by Auguste Charlois on June 20, 1895 in Nice.
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