Discovery | |
---|---|
Discovered by | Auguste Charlois |
Discovery date | 20 June 1895 |
Designations | |
(404) Arsinoë | |
Pronunciation | /ɑːrˈsɪnoʊ.iː/ [1] |
Named after | Arsinoe |
1895 BY | |
Main belt | |
Adjectives | Arsinoean /ˌɑːrsɪnoʊˈiːən/ [2] |
Orbital characteristics [3] | |
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) |
2.59364 AU (388.003 Gm) | |
Eccentricity | 0.19884 |
4.18 yr (1525.7 d) | |
41.5847 ° | |
0° 14m 9.46s / day | |
Inclination | 14.1044° |
92.6126° | |
120.382° | |
Physical characteristics | |
Dimensions | 97.71±1.5
km
[3] 96.97 ± 3.01 km [4] |
Mass | (3.42 ± 3.03) × 1018 kg [4] |
8.887 h (0.3703 d) | |
0.0461±0.001 | |
C | |
9.01, [3] 9.11 [5] | |
404 Arsinoë (from Greek Ἀρσινόη Arsĭnŏē) [6] 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.