130 Elektra

130 Elektra
VLT-SPHERE adaptive optics image of Elektra taken on 5 August 2019[1]
Discovery[2]
Discovered byC. H. F. Peters
Discovery siteLitchfield Obs.
Discovery date17 February 1873
Designations
(130) Elektra
Pronunciation/ɪˈlɛktrə/[3]
Named after
Electra[4]
A873 DA[5]
main-belt[2][5] · (outer)[6]
background[7]
AdjectivesElektrian /ɪˈlɛktriən/[8]
Orbital characteristics[5]
Epoch 1 July 2021 (JD 2459396.5)
Uncertainty parameter 0
Observation arc127.53 yr (46,582 d)
Aphelion3.7808 AU
Perihelion2.4725 AU
3.1266 AU
Eccentricity0.20923
5.53 yr (2,019 d)
87.758°
0° 10m 41.79s / day
Inclination22.782°
145.009°
237.588°
Known satellites3
Physical characteristics
Dimensionsc/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]
–88°[9]
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.

  1. ^ a b c d e f g h i Cite error: The named reference Vernazza2021 was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  3. ^ "Electra". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
  4. ^ Cite error: The named reference Schmadel was invoked but never defined (see the help page).
  5. ^ a b c d e f g Cite error: The named reference jpldata was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference lcdb was invoked but never defined (see the help page).
  7. ^ a b c Cite error: The named reference Ferret was invoked but never defined (see the help page).
  8. ^ George William Cox (1878) History of Greece
  9. ^ a b c d Cite error: The named reference Hanus2017 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Berdeu2022 was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference IRAS was invoked but never defined (see the help page).