Discovery[1] | |
---|---|
Discovered by | E. Delporte |
Discovery site | Uccle Obs. |
Discovery date | 17 September 1928 |
Designations | |
MPC designation | (1122) Neith |
Pronunciation | /ˈniːɪθ/ |
Named after | Neith (Egyptian mythology)[2] |
Alternative designations | 1928 SB · 1941 YH 1953 OA · A924 VA |
Minor planet category | main-belt · (middle)[3] background [4] |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 93.01 yr (33,971 days) |
Aphelion | 3.2763 AU |
Perihelion | 1.9347 AU |
Semi-major axis | 2.6055 AU |
Eccentricity | 0.2575 |
Orbital period (sidereal) | 4.21 yr (1,536 days) |
Mean anomaly | 30.680° |
Mean motion | 0° 14m 3.48s / day |
Inclination | 4.7381° |
Longitude of ascending node | 63.385° |
Argument of perihelion | 328.96° |
Physical characteristics | |
Dimensions | 11.566±0.261 km[5][6] 11.73 km (derived)[3] 12.01±0.5 km[7] 13.453±1.632 km[8] 13.81±0.73 km[9] 13.84±1.46 km (MSX)[9]: 34 |
Synodic rotation period | 12.599±0.006 h[10] |
Geometric albedo | 0.206±0.048[8] 0.2756 (derived)[3] 0.2836±0.0435[6] 0.284±0.043[5] 0.34[9] 0.4450±0.044[7] |
Spectral type | A[11] · S (assumed)[3] |
Absolute magnitude (H) | 11.10[7][8] · 11.67[3][6] · 11.7[1] · 11.71±0.49[12] · 11.9[13] |
1122 Neith /ˈniːɪθ/,[14] provisional designation 1928 SB, is a background asteroid from the central region of the asteroid belt, approximately 12 kilometers in diameter. It was discovered by Belgian astronomer Eugène Delporte at the Royal Observatory of Belgium in Uccle on 17 September 1928.[15] The asteroid was named after the goddess Neith from Egyptian mythology.[2]
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