38083 Rhadamanthus
38083 Rhadamanthus /rædəˈmænθəs/ is a trans-Neptunian object (TNO). It was discovered in 1999 by the Deep Ecliptic Survey. It was originally mistakenly thought to be a plutino.
| Discovery | |
|---|---|
| Discovered by | Deep Ecliptic Survey |
| Discovery date | 17 April 1999 |
| Designations | |
MPC designation | (38083) Rhadamanthus |
| Pronunciation | /rædəˈmænθəs/ |
Named after | Rhadamanthus |
Alternative designations | 1999 HX11 |
Minor planet category | TNO |
| Adjectives | Rhadamanthean, Rhadamanthian /rædəˈmænθiən/ |
| Symbol | (astrological) |
| Orbital characteristics | |
| Epoch 20 November 2017 (JD 2458078) | |
| Uncertainty parameter 3 | |
| Observation arc | 5110 days (13.99 yr) |
| Aphelion | 45.139 AU (6.7527 Tm) |
| Perihelion | 32.782 AU (4.9041 Tm) |
Semi-major axis | 38.777 AU (5.8010 Tm) |
| Eccentricity | 0.1546 |
Orbital period (sidereal) | 241.47 yr (88197.3 d) |
Average orbital speed | 4.73 km/s |
Mean anomaly | 97.148° |
Mean motion | 0° 0m 14.46s / day |
| Inclination | 12.793° |
Longitude of ascending node | 9.9615° |
| 82.178° | |
| Earth MOID | 32.2253 AU (4.82084 Tm) |
| Jupiter MOID | 28.1835 AU (4.21619 Tm) |
| TJupiter | 5.424 |
| Physical characteristics | |
| Dimensions | 87–276 km |
| Temperature | ~ 44 K |
| B–V = 0.650±0.085 V–R = 0.527±0.069 | |
| 6.81 | |
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