130 Elektra
Asteroid with 3 moons / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about 130 Elektra?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
Elektra (minor planet designation: 130 Elektra) is a large outer main-belt asteroid and quadruple system with three minor-planet moons. It was discovered on 17 February 1873, by astronomer Christian Peters at Litchfield Observatory, New York, and named after Electra, an avenger in Greek mythology.
Quick Facts Discovery, Discovered by ...
Discovery[2] | |
---|---|
Discovered by | C. H. F. Peters |
Discovery site | Litchfield Obs. |
Discovery date | 17 February 1873 |
Designations | |
(130) Elektra | |
Pronunciation | /ɪˈlɛktrə/[3] |
Named after | Electra[4] |
A873 DA[5] | |
main-belt[2][5] · (outer)[6] background[7] | |
Adjectives | Elektrian /ɪˈlɛktriən/[8] |
Orbital characteristics[5] | |
Epoch 1 July 2021 (JD 2459396.5) | |
Uncertainty parameter 0 | |
Observation arc | 127.53 yr (46,582 d) |
Aphelion | 3.7808 AU |
Perihelion | 2.4725 AU |
3.1266 AU | |
Eccentricity | 0.20923 |
5.53 yr (2,019 d) | |
87.758° | |
0° 10m 41.79s / day | |
Inclination | 22.782° |
145.009° | |
237.588° | |
Known satellites | 3 |
Physical characteristics | |
Dimensions | c/a = 0.57±0.04[1][clarification needed] 262 × 205 × 164±3% km[9] |
Mean diameter | 199±2 km[1] |
Mass | (6.4±0.2)×1018 kg[1] (7.0±0.3)×1018 kg[10] |
Mean density | 1.55±0.07 g/cm3[1] |
5.224663±0.000001 h[9][1] | |
156°[1] | |
Pole ecliptic latitude | –88°[9] |
Pole ecliptic longitude | 71°[9] |
0.067 (calculated)[1] 0.086±0.015 (NEOWISE)[5][7] 0.0755±0.0110 (IRAS)[11][7] | |
G (Tholen)[5] Ch (SMASS)[5] | |
7.21[5][2] · 7.05[1] | |
Close