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401 Ottilia 
Summary
Ottilia (minor planet designation: 401 Ottilia) is a large main-belt asteroid. It was discovered by Max Wolf on March 16, 1895, in Heidelberg. It is named after the Germanic folkloric character Ottilia.
 Orbital diagram | |
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery date | 16 March 1895 |
| Designations | |
| (401) Ottilia | |
| Pronunciation | /ɒˈtɪliə/ |
Named after | Ottilia |
| 1895 BT | |
| Main belt (Cybele) | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 121.08 yr (44225 d) |
| Aphelion | 3.46736 AU (518.710 Gm) |
| Perihelion | 3.2222 AU (482.03 Gm) |
| 3.34480 AU (500.375 Gm) | |
| Eccentricity | 0.036643 |
| 6.12 yr (2234.4 d) | |
| 172.933° | |
| 0° 9m 40.032s / day | |
| Inclination | 5.9715° |
| 36.138° | |
| 294.690° | |
| Physical characteristics | |
| Dimensions | 99.12±2.1 km |
| 6.049 h (0.2520 d) | |
| 0.0412±0.002 | |
| 9.2 | |
The semi-major axis of the orbit of 401 Ottilia lies just outside the 2/1 Kirkwood gap, located at 3.27 AU.[2] 401 Ottilia is part of the Cybele asteroid group.[3]
References edit
- ^ "401 Ottilia (1895 BT)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 10 May 2016.
- ^ Scholl, Hans; Froeschlé, Claude (September 1975), "Asteroidal motion at the 5/2, 7/3 and 2/1 resonances", Astronomy and Astrophysics, 42 (3): 457–463, Bibcode:1975A&A....42..457S
- ^ Lagerkvist, Claes-Ingvar; et al. (January 2001), "A Study of Cybele Asteroids. I. Spin Properties of Ten Asteroids", Icarus, 149 (1): 190–197, Bibcode:2001Icar..149..190L, doi:10.1006/icar.2000.6507.
External links edit
- 401 Ottilia at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
- 401 Ottilia at the JPL Small-Body Database
