| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery site | Heidelberg Observatory |
| Discovery date | 17 April 1915 |
| Designations | |
| (805) Hormuthia | |
| 1915 WW | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 100.85 yr (36835 d) |
| Aphelion | 3.7899 AU (566.96 Gm) |
| Perihelion | 2.5947 AU (388.16 Gm) |
| 3.1923 AU (477.56 Gm) | |
| Eccentricity | 0.18720 |
| 5.70 yr (2083.3 d) | |
| 132.402° | |
| 0° 10m 22.08s / day | |
| Inclination | 15.728° |
| 166.446° | |
| 132.362° | |
| Earth MOID | 1.60843 AU (240.618 Gm) |
| Jupiter MOID | 1.7152 AU (256.59 Gm) |
| TJupiter | 3.111 |
| Physical characteristics | |
Mean radius | 33.47±1.45 km |
| 9.510 h (0.3963 d) | |
| 0.0465±0.004 | |
| 9.82 | |
805 Hormuthia is a minor planet orbiting the Sun. This asteroid follows an elliptical orbit through the main asteroid belt that reaches perihelion just outside the Kirkwood gap at 2.5 AU. Its estimated diameter is 73 km, and it is one of the 500 largest asteroids. 805 Hormuthia was discovered by Max Wolf in 1915, at the University of Heidelberg.[2] The planet is named after Hormuth Kopff, the wife of astronomer August Kopff.[3]
References
- ↑ "805 Hormuthia (1915 WW)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Archived from the original on 19 September 2020. Retrieved 4 May 2016.
- ↑ "Discovery Circumstances: Numbered Minor Planets (1)-(5000)". IAU Minor Planet Center. 19 October 2020. Retrieved 3 December 2020.
- ↑ Catalogue of Minor Planet Names and Discovery Circumstances (PDF). Springer Science+Business Media. 6 December 2020. p. 63. doi:10.1007/978-3-540-29925-7_1623.
External links
- List of 500 largest asteroids
- 805 Hormuthia at AstDyS-2, Asteroids—Dynamic Site
- 805 Hormuthia at the JPL Small-Body Database
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