899 Jokaste
899 Jokaste is a minor planet orbiting the Sun. It was one of five minor planets included in the 1993 study, Transition Comets -- UV Search for OH Emissions in Asteroids, which was research involving amateur astronomers who were permitted to make use of the Hubble Space Telescope. Not to be confused with Iocaste, a moon of Jupiter.
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery site | Heidelberg |
| Discovery date | 3 August 1918 |
| Designations | |
MPC designation | (899) Jokaste |
| Pronunciation | German: [joːkastə] Classically: p/dʒoʊˈkæstiː/ |
Alternative designations | 1918 EB |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 97.71 yr (35688 days) |
| Aphelion | 3.4884 AU (521.86 Gm) |
| Perihelion | 2.3242 AU (347.70 Gm) |
Semi-major axis | 2.9063 AU (434.78 Gm) |
| Eccentricity | 0.20028 |
Orbital period (sidereal) | 4.95 yr (1809.7 d) |
Mean anomaly | 229.912° |
Mean motion | 0° 11m 56.148s / day |
| Inclination | 12.467° |
Longitude of ascending node | 252.430° |
| 127.690° | |
| Earth MOID | 1.35068 AU (202.059 Gm) |
| Jupiter MOID | 2.07017 AU (309.693 Gm) |
| TJupiter | 3.220 |
| Physical characteristics | |
Mean radius | 13.845±0.45 km |
Synodic rotation period | 6.245 h (0.2602 d) |
| 0.2026±0.014 | |
| 10.14 | |
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