Discovery[1] | |
---|---|
Discovered by | M. Laugier |
Discovery site | Nice Obs. |
Discovery date | 8 November 1948 |
Designations | |
(1690) Mayrhofer | |
Named after | Karl Mayrhofer (amateur astronomer)[2] |
1948 VB · 1932 WN 1953 VC2 · 1956 GN | |
main-belt · (outer)[3] | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 84.11 yr (30,723 days) |
Aphelion | 3.3376 AU |
Perihelion | 2.7395 AU |
3.0386 AU | |
Eccentricity | 0.0984 |
5.30 yr (1,935 days) | |
24.198° | |
0° 11m 9.96s / day | |
Inclination | 13.049° |
230.45° | |
156.46° | |
Physical characteristics | |
Dimensions | 31.18±0.49 km[4] 31.198±7.539 km[5] 31.63 km (derived)[3] 31.71±2.0 km[6] 33.810±1.378 km[7] |
19.0808±0.1110 h[8] 22.194±0.004 h[9] | |
0.056±0.012[7] 0.0641 (derived)[3] 0.0767±0.011[6] 0.0792±0.0384[5] 0.082±0.003[4] | |
C[3] | |
10.9[4][5][6] · 10.91±0.34[10] · 10.950±0.004 (R)[8] · 11.1[1][3][7] | |
1690 Mayrhofer, provisional designation 1948 VB, is a carbonaceous asteroid from the outer region of the asteroid belt, approximately 32 kilometers in diameter. It was discovered on 8 November 1948, by French astronomer Marguerite Laugier at Nice Observatory in south-east France.[11] It was later named after Austrian amateur astronomer Karl Mayrhofer.[2]
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