Global Information1081 Reseda information
 Modelled shape of Reseda from its lightcurve | |
| Discovery[1] | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg Obs. |
| Discovery date | 31 August 1927 |
| Designations | |
MPC designation | (1081) Reseda |
| Pronunciation | /rɪˈsiːdə/[2] |
Named after | Resēda (mignonette) (herbaceous plant)[3] |
Alternative designations | 1927 QF · 1949 UA1 1975 LS |
Minor planet category |
|
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 89.85 yr (32,816 days) |
| Aphelion | 3.5567 AU |
| Perihelion | 2.6505 AU |
Semi-major axis | 3.1036 AU |
| Eccentricity | 0.1460 |
Orbital period (sidereal) | 5.47 yr (1,997 days) |
Mean anomaly | 167.25° |
Mean motion | 0° 10m 49.08s / day |
| Inclination | 4.2029° |
Longitude of ascending node | 30.443° |
Argument of perihelion | 7.5205° |
| Physical characteristics | |
| Dimensions | 31.60±11.05 km[7] 35.66±0.70 km[8] 37.03±8.13 km[9] 37.810±0.219 km[10] 37.89±0.46 km[11] 37.97 km (derived)[12] 40.462±0.470 km[13] |
Synodic rotation period | 7.3002±0.0006 h[14] 7.30136±0.00001 h[15] |
Pole ecliptic latitude |
|
Geometric albedo | 0.0326±0.0026[13] 0.042±0.002[8] 0.043±0.006[10] 0.0488 (derived)[12] 0.049±0.008[11] 0.06±0.02[9] 0.09±0.07[7] |
Spectral type | C (assumed)[12] |
Absolute magnitude (H) | 11.00[12][7][11] · 11.1[1] · 11.16[9] · 11.30[8][13] |
1081 Reseda (prov. designation: 1927 QF) is a dark background asteroid from the outer regions of the asteroid belt. It was discovered on 31 August 1927, by astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in southwest Germany.[4] The asteroid has a rotation period of 7.3 hours and measures approximately 37 kilometers (23 miles) in diameter. It was named after the herbaceous plant Reseda.[3]
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