Global Information1382 Gerti information
 Lightcurve-based 3D-model of Gerti | |
| Discovery[1] | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg Obs. |
| Discovery date | 21 January 1925 |
| Designations | |
MPC designation | (1382) Gerti |
Named after | Gertrud Höhne[2] (ARI secretary) |
Alternative designations | 1925 BB · 1929 LH 1933 UL1 · 1936 QB1 |
Minor planet category | main-belt · (inner) Flora[3] · background[4] |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 92.18 yr (33,670 days) |
| Aphelion | 2.5119 AU |
| Perihelion | 1.9274 AU |
Semi-major axis | 2.2196 AU |
| Eccentricity | 0.1317 |
Orbital period (sidereal) | 3.31 yr (1,208 days) |
Mean anomaly | 258.61° |
Mean motion | 0° 17m 52.8s / day |
| Inclination | 1.5621° |
Longitude of ascending node | 353.04° |
Argument of perihelion | 246.96° |
| Physical characteristics | |
| Dimensions | 8.54 km (derived)[3] 9.14±0.95 km[5] 9.75±1.68 km[6] 11.94±0.19 km[7] |
Synodic rotation period | 3.0±0.2 h[8] 3.081545±0.000005 h[9] 3.082±0.0004 h[10] 3.082±0.002 h[11] |
Geometric albedo | 0.196±0.024[7] 0.24 (assumed)[3] 0.278±0.059[5] 0.28±0.08[6] |
Spectral type | S (assumed)[3] |
Absolute magnitude (H) | 11.765±0.000 (R)[10] · 12.00[1][7] · 12.04±0.28[12] · 12.20[5] · 12.27[6] · 12.51[3] · 12.51±0.01[11][13] |
1382 Gerti, provisional designation 1925 BB, is a Florian asteroid from the inner regions of the asteroid belt, approximately 10 kilometers in diameter. It was discovered on 21 January 1925, by astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in southwest Germany.[14] The asteroid was named after a secretary of the Astronomical Calculation Institute, Gertrud Höhne.
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