| Discovery | |
|---|---|
| Discovered by | J. Palisa |
| Discovery site | Vienna |
| Discovery date | 12 September 1909 |
| Designations | |
| MPC designation | (689) Zita |
| Alternative designations | 1909 HJ |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 60.38 yr (22054 d) |
| Aphelion | 2.8480 AU (426.05 Gm) |
| Perihelion | 1.7830 AU (266.73 Gm) |
| Semi-major axis | 2.3155 AU (346.39 Gm) |
| Eccentricity | 0.22997 |
| Orbital period (sidereal) | 3.52 yr (1287.0 d) |
| Mean anomaly | 117.31° |
| Mean motion | 0° 16 46.992 / day |
| Inclination | 5.7445° |
| Longitude of ascending node | 168.175° |
| Argument of perihelion | 188.158° |
| Physical characteristics | |
| Mean radius | 7.18±0.3 km |
| Synodic rotation period | 6.425 h (0.2677 d) |
| Geometric albedo | 0.1183±0.011 |
| Absolute magnitude (H) | 12.15 |
689 Zita is a minor planet orbiting the Sun. It was named after Zita of Bourbon-Parma, the last empress of Austria-Hungary.
References
- "689 Zita (1909 HJ)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
External links
- 689 Zita at AstDyS-2, Asteroids—Dynamic Site
- 689 Zita at the JPL Small-Body Database
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