818 Kapteynia
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery site | Heidelberg Observatory |
| Discovery date | 21 February 1916 |
| Designations | |
| (818) Kapteynia | |
| Pronunciation | /kæpˈteɪniə/ |
| 1916 YZ | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 99.92 yr (36496 d) |
| Aphelion | 3.4695 AU (519.03 Gm) |
| Perihelion | 2.8693 AU (429.24 Gm) |
| 3.1694 AU (474.14 Gm) | |
| Eccentricity | 0.094677 |
| 5.64 yr (2060.9 d) | |
| 38.374° | |
| 0° 10m 28.848s / day | |
| Inclination | 15.664° |
| 70.816° | |
| 293.096° | |
| Earth MOID | 1.91242 AU (286.094 Gm) |
| Jupiter MOID | 2.0269 AU (303.22 Gm) |
| TJupiter | 3.138 |
| Physical characteristics | |
| 24.725±1.95 km | |
| 16.35 h (0.681 d) | |
| 0.1655±0.029 | |
| 9.3 | |
818 Kapteynia is a minor planet orbiting the Sun. This asteroid is named for the Dutch astronomer Jacobus Kapteyn.
References
- ^ "818 Kapteynia (1916 YZ)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 4 May 2016.
External links
- 818 Kapteynia at AstDyS-2, Asteroids—Dynamic Site
- 818 Kapteynia at the JPL Small-Body Database
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