Discovery[1] | |
---|---|
Discovered by | H. van Gent |
Discovery site | Johannesburg Obs. (Leiden Southern Station) |
Discovery date | 8 August 1931 |
Designations | |
(1946) Walraven | |
Named after | Theodore Walraven (astronomer)[2] |
1931 PH · 1952 PB 1959 RE1 · 1966 TC 1972 JE1 | |
main-belt · (inner)[3] | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 85.73 yr (31,314 days) |
Aphelion | 2.8329 AU |
Perihelion | 1.7564 AU |
2.2947 AU | |
Eccentricity | 0.2346 |
3.48 yr (1,270 days) | |
242.32° | |
0° 17m 0.6s / day | |
Inclination | 8.1606° |
17.269° | |
340.01° | |
Physical characteristics | |
9.205±0.109 km[4][5] 11.83 km (calculated)[3] | |
10.21±0.01 h[6] 10.2101±0.0005 h[7] 10.22±0.02 h[8] 10.223 h[9] | |
0.20 (assumed)[3] 0.362±0.067[4][5] | |
S[3] | |
11.9[4] · 12.0[1][3] | |
1946 Walraven (prov. designation: 1931 PH) is a stony asteroid from the inner regions of the asteroid belt, approximately 10 kilometers in diameter. It was discovered on 8 August 1931, by Dutch astronomer Hendrik van Gent at Leiden Southern Station, annex to the Johannesburg Observatory in South Africa, and named after astronomer Theodore Walraven.[2][10]
jpldata
was invoked but never defined (see the help page).springer
was invoked but never defined (see the help page).lcdb
was invoked but never defined (see the help page).WISE
was invoked but never defined (see the help page).Masiero-2011
was invoked but never defined (see the help page).Aznar-2016c
was invoked but never defined (see the help page).Hanus-2016a
was invoked but never defined (see the help page).Folberth-2012a
was invoked but never defined (see the help page).Van-Gent-1933
was invoked but never defined (see the help page).MPC-Walraven
was invoked but never defined (see the help page).