Discovery[1] | |
---|---|
Discovered by | S. Arend |
Discovery site | Uccle Obs. |
Discovery date | 3 March 1929 |
Designations | |
(1633) Chimay | |
Named after | Chimay (Belgian town)[2] |
1929 EC · 1941 KF 1946 HC · 1948 RO 1951 AM · 1952 HY3 1954 SS · 1955 XN 1972 VM1 · A917 BB | |
main-belt · Themis[3] | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 100.02 yr (36,531 days) |
Aphelion | 3.5907 AU |
Perihelion | 2.7980 AU |
3.1943 AU | |
Eccentricity | 0.1241 |
5.71 yr (2,085 days) | |
237.33° | |
0° 10m 21.36s / day | |
Inclination | 2.6759° |
114.08° | |
65.539° | |
Physical characteristics | |
Dimensions | 36.07 km (derived)[3] 36.12±3.1 km (IRAS:3)[4] 36.26±0.86 km[5] 37.428±0.466[6] 37.732±0.426 km[7] |
6.58±0.01 h[8] 6.59064±0.00005 h[9] 6.5911±0.0001 h[10] 6.6367±0.0038 h[11] | |
0.0781 (derived)[3] 0.0785±0.0135[7] 0.080±0.014[6] 0.0854±0.017 (IRAS:3)[4] 0.088±0.005[5] | |
S[3] | |
10.36±0.17 (R)[8] · 10.481±0.002 (R)[11] · 10.5[5][7] · 10.6[1][3] · 10.97±0.06[12] | |
1633 Chimay, provisional designation 1929 EC, is a Themistian asteroid from the outer region of the asteroid belt, approximately 37 kilometers in diameter.
It was discovered on 3 March 1929, by Belgian astronomer Sylvain Arend at the Royal Observatory of Belgium in Uccle.[13] Five nights later, the body was independently discovered by Max Wolf at Heidelberg Observatory in southern Germany.[2] It was later named for the Belgian town of Chimay.[2]
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