| Discovery | |
|---|---|
| Discovered by | Raymond Smith Dugan |
| Discovery site | Heidelberg |
| Discovery date | 19 January 1903 |
| Designations | |
| MPC designation | (503) Evelyn |
| Alternative designations | 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) |
| Semi-major axis | 2.7225 AU (407.28 Gm) |
| Eccentricity | 0.17655 |
| Orbital period (sidereal) | 4.49 yr (1640.7 d) |
| Mean anomaly | 98.1577° |
| Mean motion | 0° 13 9.876 / day |
| Inclination | 5.0103° |
| Longitude of ascending node | 68.903° |
| Argument of perihelion | 42.058° |
| Physical characteristics | |
| Dimensions | 87.58 ± 3.58 km 81.68±4.9 km |
| Mass | (2.85 ± 0.34) × 10 kg |
| Mean density | 8.10 ± 1.38 g/cm |
| Synodic rotation period | 38.728 h (1.6137 d) |
| Geometric albedo | 0.0585±0.008 |
| Absolute magnitude (H) | 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.
References
- ^ "503 Evelyn (1903 LF)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 9 May 2016.
- ^ Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, vol. 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
External links
- 503 Evelyn at AstDyS-2, Asteroids—Dynamic Site
- 503 Evelyn at the JPL Small-Body Database
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