1690 Mayrhofer

1690 Mayrhofer
Discovery
Discovered byM. Laugier
Discovery siteNice Obs.
Discovery date8 November 1948
Designations
(1690) Mayrhofer
Named after
Karl Mayrhofer
(amateur astronomer)
1948 VB · 1932 WN
1953 VC2 · 1956 GN
main-belt · (outer)
Orbital characteristics
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc84.11 yr (30,723 days)
Aphelion3.3376 AU
Perihelion2.7395 AU
3.0386 AU
Eccentricity0.0984
5.30 yr (1,935 days)
24.198°
0° 11m 9.96s / day
Inclination13.049°
230.45°
156.46°
Physical characteristics
Dimensions31.18±0.49 km
31.198±7.539 km
31.63 km (derived)
31.71±2.0 km
33.810±1.378 km
19.0808±0.1110 h
22.194±0.004 h
0.056±0.012
0.0641 (derived)
0.0767±0.011
0.0792±0.0384
0.082±0.003
C
10.9 · 10.91±0.34 · 10.950±0.004 (R) · 11.1

    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. It was later named after Austrian amateur astronomer Karl Mayrhofer.