1943 Anteros
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1943 Anteros /ˈæntərɒs/, provisional designation 1973 EC, is a spheroidal, rare-type asteroid and near-Earth object of the Amor group, approximately 2 kilometers in diameter.
Quick Facts Discovery, Discovered by ...
Discovery[1] | |
---|---|
Discovered by | J. B. Gibson |
Discovery site | El Leoncito Complex |
Discovery date | 13 March 1973 |
Designations | |
(1943) Anteros | |
Pronunciation | /ˈæntərɒs/[2] |
Named after | Anteros (Greek mythology)[3] |
1973 EC | |
Amor · NEO[1][4] | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 44.02 yr (16,080 days) |
Aphelion | 1.7968 AU |
Perihelion | 1.0642 AU |
1.4305 AU | |
Eccentricity | 0.2561 |
1.71 yr (625 days) | |
332.17° | |
Inclination | 8.7061° |
246.33° | |
338.37° | |
Earth MOID | 0.0630 AU · 24.5 LD |
Physical characteristics | |
Dimensions | 2.01 km (derived)[5] 2.38±0.72 km[6] 2.39 km[7] 2.43 km[8] |
2.735±0.003 h[9] 2.867±0.001 h[10] 2.8695 h[11] 2.9±0.1 h[12] 3 h[13] 6.5209±0.0022 h[14] | |
0.138±0.107[6] 0.15[8] 0.17[15] 0.18 (assumed)[5] | |
S (Tholen)[1] · L (SMASS)[1] Sq[16] · S[17][18] · L[5] B–V = 0.841[1] U–B = 0.444[1] | |
15.00[18] · 15.449±0.002 (R)[14] · 15.75[1] · 15.8[8] · 15.82±0.14[19] · 15.89±0.14[20] · 15.9±0.2[6] · 15.96[11] · 16.01[21] · 16.35±0.48[17] | |
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It was discovered on 13 March 1973, by American astronomer James Gibson at the Leoncito Astronomical Complex in Argentina, and named for the Greek god Anteros.[3][4]