Back ثيساندروس 4902 Arabic ثيساندروس 4902 ARZ (4902) Фессандр CE (4902) Thessandrus German 4902 Tesandro Esperanto (4902) Tersandro Spanish سیارک ۴۹۰۲ Persian (4902) Thessandre French 4902 Thessandrus Hungarian (4902) Թեսանդրուս Armenian
| Discovery [1] | |
|---|---|
| Discovered by | C. Shoemaker |
| Discovery site | Palomar Obs. |
| Discovery date | 9 January 1989 |
| Designations | |
| (4902) Thessandrus | |
| Pronunciation | /θɪˈsændrəs/ |
Named after | Thessander (Greek mythology)[2] |
| 1989 AN2 · 1985 TK3 | |
| Jupiter trojan [1][3] Greek [4] · background [5] | |
| Adjectives | Thessandrian |
| Orbital characteristics [3] | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 64.23 yr (23,459 d) |
| Aphelion | 5.4234 AU |
| Perihelion | 4.9858 AU |
| 5.2046 AU | |
| Eccentricity | 0.0420 |
| 11.87 yr (4,337 d) | |
| 204.25° | |
| 0° 4m 58.8s / day | |
| Inclination | 9.0728° |
| 170.29° | |
| 270.62° | |
| Jupiter MOID | 0.1982 AU |
| TJupiter | 2.9730 |
| Physical characteristics | |
| 51.26±0.66 km[6] 61.04 km (calculated)[7] 71.79±2.84 km[8] | |
| 738±20 h[9] | |
| 0.057 (assumed)[7] 0.060±0.006[8] 0.081±0.012[6] | |
| D (Pan-STARRS)[7][10] D (SDSS-MOC)[11] V–I = 0.960±0.044[7] | |
| 9.60[8] 9.8[1][3][7][6] | |
4902 Thessandrus /θɪˈsændrəs/ is a Jupiter trojan from the Greek camp, approximately 60 kilometers (37 miles) in diameter. It was discovered on 9 January 1989, by American astronomer Carolyn Shoemaker at the Palomar Observatory in California, and later named after Thessander (Thessandrus) from Greek mythology.[2] The dark D-type asteroid is an exceptionally slow rotator and tumbler. It belongs to the 70 largest Jupiter trojans.
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