503 Evelyn
| Discovery | |
|---|---|
| Discovered by | Raymond Smith Dugan |
| Discovery site | Heidelberg |
| Discovery date | 19 January 1903 |
| Designations | |
| (503) Evelyn | |
| 1903 LF | |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 113.24 yr (41362 d) |
| Aphelion | 3.2031 AU (479.18 Gm) |
| Perihelion | 2.2418 AU (335.37 Gm) |
| 2.7225 AU (407.28 Gm) | |
| Eccentricity | 0.17655 |
| 4.49 yr (1640.7 d) | |
| 98.1577° | |
| 0° 13m 9.876s / day | |
| Inclination | 5.0103° |
| 68.903° | |
| 42.058° | |
| Physical characteristics | |
| Dimensions | 87.58 ± 3.58 km 81.68±4.9 km |
| Mass | (2.85 ± 0.34) × 1018 kg |
Mean density | 8.10 ± 1.38 g/cm3 |
| 38.728 h (1.6137 d) | |
| 0.0585±0.008 | |
| 9.3 | |
503 Evelyn is a main belt asteroid discovered by Raymond Smith Dugan on 19 January 1903. The asteroid was named after Evelyn Smith Dugan, mother of the discoverer.