(181708) 1993 FW
| Discovery | |
|---|---|
| Discovered by | David C. Jewitt, Jane X. Luu |
| Discovery date | 28 March 1993 |
| Designations | |
| Trans-Neptunian object (cubewano) | |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5)[1] | |
| Uncertainty parameter 3 | |
| Observation arc | 5456 days (14.94 yr) |
| Aphelion | 46.293 AU (6.9253 Tm) |
| Perihelion | 41.642 AU (6.2296 Tm) |
| 43.967 AU (6.5774 Tm) | |
| Eccentricity | 0.052899 |
| 291.54 yr (106487 d) | |
Average orbital speed | 4.489 km/s |
| 351.305° | |
| 0° 0m 12.171s / day | |
| Inclination | 7.7336° |
| 187.837° | |
| 40.180° | |
| Earth MOID | 40.6353 AU (6.07895 Tm) |
| Jupiter MOID | 36.2333 AU (5.42042 Tm) |
| Physical characteristics | |
| Dimensions | 175 km[2] 241 km[3] |
| 7.0 | |
(181708) 1993 FW was the second trans-Neptunian object to be discovered after Pluto and Charon. It was discovered in 1993 by David C. Jewitt and Jane X. Luu at the Mauna Kea Observatory, Hawaii.[4] Mike Brown lists it as possibly a dwarf planet on his website.[3]
See also
References
- ^ a b "JPL Small-Body Database Browser". Jet Propulsion Laboratory. Retrieved 7 April 2016.
- ^ "List of Known Trans-Neptunian Objects". Wm. Robert Johnston. Archived from the original on 2015-01-08. Retrieved 2015-01-03.
{{cite web}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help) - ^ a b "How many dwarf planets are there in the outer solar system?". Mike Brown. Retrieved 2015-01-03.
- ^ BS Marsden; Jewitt, D.; Marsden, B. G. (1993). "1993 FW". IAU Circ. 5730. Minor Planet Center: 1. Bibcode:1993IAUC.5730....1L.
External links
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