 Orbital diagram | |
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | 20 June 1895 |
| Designations | |
| MPC designation | (404) Arsinoë |
| Pronunciation | /ɑːrˈsɪnoʊ.iː/ |
| Named after | Arsinoe |
| Alternative designations | 1895 BY |
| Minor planet category | Main belt |
| Adjectives | Arsinoean /ˌɑːrsɪnoʊˈiːən/ |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 116.88 yr (42691 d) |
| Aphelion | 3.10936 AU (465.154 Gm) |
| Perihelion | 2.07791 AU (310.851 Gm) |
| Semi-major axis | 2.59364 AU (388.003 Gm) |
| Eccentricity | 0.19884 |
| Orbital period (sidereal) | 4.18 yr (1525.7 d) |
| Mean anomaly | 41.5847° |
| Mean motion | 0° 14 9.46 / day |
| Inclination | 14.1044° |
| Longitude of ascending node | 92.6126° |
| Argument of perihelion | 120.382° |
| Physical characteristics | |
| Dimensions | 97.71±1.5 km 96.97 ± 3.01 km |
| Mass | (3.42 ± 3.03) × 10 kg |
| Synodic rotation period | 8.887 h (0.3703 d) |
| Geometric albedo | 0.0461±0.001 |
| Spectral type | C |
| Absolute magnitude (H) | 9.01, 9.11 |
404 Arsinoë (from Greek Ἀρσινόη Arsĭnŏē) 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.
References
- Noah Webster (1884) A Practical Dictionary of the English Language
- Cohen (1995) The Hellenistic settlements in Europe, the islands, and Asia Minor
- ^ Yeomans, Donald K., "404 Arsinoe", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 10 May 2016.
- ^ Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73 (1): 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009, S2CID 119226456. See Table 1.
- Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin, 34 (4): 113–119, Bibcode:2007MPBu...34..113W.
- "Charlton T. Lewis, Charles Short, A Latin Dictionary, Arsĭnŏē".
External links
- 404 Arsinoë at AstDyS-2, Asteroids—Dynamic Site
- 404 Arsinoë at the JPL Small-Body Database
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