Back 130 اليكترا (كويكب) ARZ 130 Elektra AST (130) Электра Byelorussian (130) Electra Catalan (130) Электра CE (130) Elektra German 130 Ηλέκτρα Greek 130 Elektro Esperanto (130) Electra Spanish 130 Elektra Basque
 | |
| 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] |
| 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] | |
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.
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