_Erika.png.webp) Modelled shape of Erika from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | Joel Hastings Metcalf |
| Discovery site | Taunton, Massachusetts |
| Discovery date | 8 February 1907 |
| Designations | |
| (636) Erika | |
| 1907 XP | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 109.17 yr (39874 d) |
| Aphelion | 3.4121 AU (510.44 Gm) |
| Perihelion | 2.4133 AU (361.02 Gm) |
| 2.9127 AU (435.73 Gm) | |
| Eccentricity | 0.17145 |
| 4.97 yr (1815.7 d) | |
| 182.784° | |
| 0° 11m 53.772s / day | |
| Inclination | 7.9270° |
| 34.644° | |
| 297.818° | |
| Physical characteristics | |
Mean radius | 37.145±3.35 km |
| 14.603 h (0.6085 d) | |
| 0.0507±0.011 | |
| 9.6 | |
636 Erika is a minor planet orbiting the Sun.
References
- ↑ "636 Erika (1907 XP)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Archived from the original on 18 September 2020. Retrieved 5 May 2016.
External links
- 636 Erika at AstDyS-2, Asteroids—Dynamic Site
- 636 Erika at the JPL Small-Body Database
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