Discovery[1] | |
---|---|
Discovered by | H. van Gent |
Discovery site | Johannesburg Obs. |
Discovery date | 9 September 1934 |
Designations | |
(1384) Kniertje | |
Named after | Kniertje[2] (fictional character) |
1934 RX | |
main-belt · (middle) Eunomia[3] · Adeona[4] | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 83.06 yr (30,338 days) |
Aphelion | 3.1649 AU |
Perihelion | 2.1872 AU |
2.6760 AU | |
Eccentricity | 0.1827 |
4.38 yr (1,599 days) | |
288.15° | |
0° 13m 30.36s / day | |
Inclination | 11.858° |
152.86° | |
276.17° | |
Physical characteristics | |
Dimensions | 21.52±6.01 km[5] 21.72±6.93 km[6] 26.14±0.56 km[7] 26.29±0.38 km[8] 26.517±0.090 km[9] 26.59 km (derived)[3] 27.51±1.6 km[10] 29.592±0.230 km[11] |
9.78±0.02 h[12] 9.807±0.002 h[12] 9.808±0.001 h[12] 9.824±0.001 h[13] 9.872±0.012 h[14] 12.255±0.004 h[15][a] | |
0.0351±0.0035[11] 0.06±0.03[6] 0.064±0.006[8] 0.066±0.003[7] 0.07±0.05[5] 0.0701 (derived)[3] 0.3077±0.039[10] | |
S (assumed, Eunomia)[3] C (assumed; Adeona)[16]: 23 | |
9.70[10] · 11.38[3][11] · 11.4[17] · 11.50[7][8] · 11.60[1][6] · 11.64[5] · 11.81±0.22[18] | |
1384 Kniertje, provisional designation 1934 RX, is a dark Adeonian asteroid from the central regions of the asteroid belt, approximately 26 kilometers in diameter. It was discovered on 9 September 1934, by Dutch astronomer Hendrik van Gent at the Union Observatory in Johannesburg, South Africa.[19] The asteroid was named after a character in the Dutch play Op Hoop van Zegen by Herman Heijermans.[2]
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