Discovery[1] | |
---|---|
Discovered by | Indiana University (Indiana Asteroid Program) |
Discovery site | Goethe Link Obs. |
Discovery date | 14 September 1963 |
Designations | |
(1746) Brouwer | |
Named after | Dirk Brouwer (astronomer)[2] |
1963 RF · 1940 WE 1947 QA | |
main-belt · Hilda[3] | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 76.33 yr (27,878 days) |
Aphelion | 4.7671 AU |
Perihelion | 3.1284 AU |
3.9478 AU | |
Eccentricity | 0.2076 |
7.84 yr (2,865 days) | |
292.05° | |
0° 7m 32.52s / day | |
Inclination | 8.3676° |
321.96° | |
47.580° | |
Jupiter MOID | 0.8580 AU |
TJupiter | 3.0040 |
Physical characteristics | |
Dimensions | 61.50±1.80 km[4] 62.523±0.492[5] 64.25±4.9 km (IRAS:2)[3][6] |
19.7255±0.0005 h[7] 19.8 h[8] 19.88±0.05 h[a] | |
0.0448±0.008 (IRAS:2)[3][6] 0.048±0.006[5] 0.051±0.003[4] | |
Tholen = D[1] · D[3][5] B–V = 0.721[1] U–B = 0.227[1] | |
9.78±0.30[9] · 9.95 (IRAS:2)[6] · 9.95[3][4] | |
1746 Brouwer (prov. designation: 1963 RF) is a Hilda asteroid from the outermost region of the asteroid belt, approximately 64 kilometers in diameter. It was discovered on 14 September 1963, by IU's Indiana Asteroid Program at Goethe Link Observatory near Brooklyn, Indiana, United States.[10] It was named after astronomer Dirk Brouwer.[2]
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