Discovery[1] | |
---|---|
Discovered by | G. Neujmin |
Discovery site | Simeiz Obs. |
Discovery date | 31 August 1929 |
Designations | |
(1158) Luda | |
Named after | Ludmilla Neujmin (discoverer's sister)[2] |
1929 QF · 1954 UQ1 1958 TG1 · 1972 GC | |
main-belt · Maria[3] · Eunomia[4] | |
Orbital characteristics[1] | |
Epoch 16 February 2017 (JD 2457800.5) | |
Uncertainty parameter 0 | |
Observation arc | 87.27 yr (31,876 days) |
Aphelion | 2.8532 AU |
Perihelion | 2.2742 AU |
2.5637 AU | |
Eccentricity | 0.1129 |
4.11 yr (1,499 days) | |
56.051° | |
0° 14m 24.36s / day | |
Inclination | 14.834° |
344.74° | |
56.226° | |
Physical characteristics | |
Dimensions | 18.636±0.207 km[5] 18.70±0.48 km[6] 19.06±0.8 km (IRAS:8)[7] 20.596±0.130 km[8] |
6.86±0.01 h[9] 6.863±0.005 h[10] 6.870±0.005 h[11] 6.90±0.01 h[12] 7.44 h[3] | |
0.2025±0.0548[8] 0.221±0.034[5] 0.2329±0.022 (IRAS:8)[7] 0.253±0.015[6] | |
S[4][13] | |
10.8[1][4][6][7][8] · 10.95±0.33[13] | |
1158 Luda, provisional designation 1929 QF, is a stony asteroid from the middle regions of the asteroid belt, approximately 19 kilometers in diameter. It was discovered on 31 August 1929, by Soviet astronomer Grigory Neujmin at Simeiz Observatory on the Crimean peninsula.[14] It was named after Ludmilla Neujmin, the sister of the discoverer.[2]
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