Global Information1165 Imprinetta information
 Shape model of Imprinetta from its lightcurve | |
| Discovery[1] | |
|---|---|
| Discovered by | H. van Gent |
| Discovery site | Johannesburg Obs. (Leiden Southern Station) |
| Discovery date | 24 April 1930 |
| Designations | |
MPC designation | (1165) Imprinetta |
| Pronunciation | /ˌɪmprɪˈnɛtə/ |
Named after | Imprinetta Gent (wife of the discoverer)[2] |
Alternative designations | 1930 HM · A909 TA |
Minor planet category | main-belt · (outer)[3] Meliboea[4] |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 107.47 yr (39,253 days) |
| Aphelion | 3.7891 AU |
| Perihelion | 2.4589 AU |
Semi-major axis | 3.1240 AU |
| Eccentricity | 0.2129 |
Orbital period (sidereal) | 5.52 yr (2,017 days) |
Mean anomaly | 221.92° |
Mean motion | 0° 10m 42.6s / day |
| Inclination | 12.812° |
Longitude of ascending node | 203.79° |
Argument of perihelion | 96.959° |
| Physical characteristics | |
| Dimensions | 47.14±15.99 km[5] 48.65 km (derived)[3] 48.82±1.9 km[6] 50.30±14.80 km[7] 53.187±0.325 km[8] 53.40±1.62 km[9] 56.44±0.87 km[10] 59.378±0.290 km[11] |
Synodic rotation period | 7.9374±0.0016 h[12] 8.107±0.010 h[13] |
Geometric albedo | 0.029±0.005[10] 0.0380±0.0055[11] 0.0392 (derived)[3] 0.04±0.02[5] 0.04±0.03[7] 0.047±0.003[9] 0.048±0.002[8] 0.0562±0.005[6] |
Spectral type | C[3][14] |
Absolute magnitude (H) | 10.30[6][9][11] · 10.69±0.38[14] · 10.70[1][3][5][7][10] |
1165 Imprinetta, provisional designation 1930 HM, is a carbonaceous Meliboean asteroid from the outer regions of the asteroid belt, approximately 49 kilometers (30 mi) in diameter. It was discovered on 24 April 1930 by Dutch astronomer Hendrik van Gent at the Union Observatory in Johannesburg, South Africa.[15] The asteroid was named after Imprinetta Gent, wife of the discoverer.[2]
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