3198 Wallonia
| Discovery | |
|---|---|
| Discovered by | François Dossin |
| Discovery site | Haute-Provence Observatory |
| Discovery date | 30 December 1981 |
| Designations | |
| MPC designation | 3198 |
Named after | Wallonia |
| 1981 YH1 | |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 12255 days (33.55 yr) |
| Aphelion | 2.7003143 AU (403.96127 Gm) |
| Perihelion | 1.6611406 AU (248.50310 Gm) |
| 2.180727 AU (326.2321 Gm) | |
| Eccentricity | 0.2382631 |
| 3.22 yr (1176.3 d) | |
| 189.4742° | |
| 0° 18m 21.804s / day | |
| Inclination | 17.95826° |
| 83.59354° | |
| 40.53907° | |
| Earth MOID | 0.709575 AU (106.1509 Gm) |
| Jupiter MOID | 2.51731 AU (376.584 Gm) |
| Jupiter Tisserand parameter | 3.582 |
| Physical characteristics | |
| Dimensions | ~10 km[2] |
| 7.54 h (0.314 d) | |
Sidereal rotation period | 7.54 h[1] |
| S[1] | |
| 13.1[1] | |
|
| |
3198 Wallonia (1981 YH1) is a Mars-crossing asteroid discovered on December 30, 1981 by François Dossin at Haute-Provence Observatory.[1] With an absolute magnitude (H) of 13,[1] the asteroid is about ~10 km in diameter.[2] It is one of the largest Mars-crossing asteroids as few Mars-crossing asteroids have an absolute magnitude brighter than 13.
References
- 1 2 3 4 5 6 "JPL Small-Body Database Browser: 3198 Wallonia". Jet Propulsion Laboratory. Retrieved 14 April 2016.
- 1 2 "Absolute Magnitude (H)". NASA/JPL. Retrieved 2015-05-10.
External links
- Asteroid Lightcurve Analysis at the Palmer Divide Observatory: February-May 2008
- Spectral properties of Mars-crossers and near-Earth objects. Results of the S3OS2 survey
- 3198 Wallonia at the JPL Small-Body Database
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