531 Zerlina
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Discoverydate12 April 1904
(531) Zerlina
.png) Lightcurve-based 3D-model of Zerlina | |
| Discovery[1] | |
|---|---|
| Discovered by | M. F. Wolf |
| Discovery site | Heidelberg Obs. |
| Discovery date | 12 April 1904 |
| Designations | |
| (531) Zerlina | |
| Pronunciation | Italian: [dzerˈliːna][2] |
Named after | Zerlina, Masetto's fiancée (Don Giovanni)[3] |
| 1904 NW · 1955 HA | |
| main-belt · (middle) Pallas[4] | |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 112.56 yr (41,114 days) |
| Aphelion | 3.3356 AU |
| Perihelion | 2.2379 AU |
| 2.7867 AU | |
| Eccentricity | 0.1970 |
| 4.65 yr (1,699 days) | |
| 104.09° | |
| 0° 12m 42.84s / day | |
| Inclination | 33.994° |
| 197.73° | |
| 57.751° | |
| Physical characteristics | |
| Dimensions | 13.65±0.32 km[5] 13.87±4.02 km[6] 14.11±0.45 km[7] 15.12 km (derived)[8] 15.19±1.3 km[9] 15.8±1.6 km[10] 16±2 km[11] 17.804±0.178 km[12] |
| 12 h[13] 16 h[8] 16.716±0.003 h[14] 16.706±0.001 h[15] | |
| 0.10±0.02[11] 0.10±0.08[6] 0.101±0.007[12] 0.11±0.02[10] 0.1225 (derived)[8] 0.1460±0.028[9] 0.150±0.030[5] 0.185±0.014[7] | |
| SMASS = B[1] · B[8] | |
| 11.80[7][9][12] 12.0[1][8][5][11][10] 12.25[6] | |
531 Zerlina, provisional designation 1904 NW, carbonaceous Palladian asteroid from the central region of the asteroid belt, approximately 18 kilometers in diameter. It was discovered by German astronomer Max Wolf at the Heidelberg-Königstuhl State Observatory on 12 April 1904.[16] It is named for a character in Mozart's opera, Don Giovanni H 57).[3]
Observations using the IRAS satellite have shown it to have an absolute magnitude of 11.8, a diameter of 15.19 kilometers, a rotational period of 16.706 hours, and an albedo of 0.1460.[1]
