(181708) 1993 FW

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(181708) 1993 FW
Discovered by David C. Jewitt,
Jane X. Luu
Discovery date 28 March 1993
Minor planet category Trans-Neptunian object
Orbital characteristics
Epoch JD 2455800.5
Aphelion 45.511 AU
Perihelion 41.607 AU
Semi-major axis 43.559 AU
Eccentricity 0.045
Orbital period 287 a
Mean anomaly 341.4°
Inclination 7.8°
Longitude of ascending node 188°
Argument of perihelion 44.7°
Physical characteristics
Dimensions 175 km
Absolute magnitude (H) 7

(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.[1]


  1. ^ BS Marsden; Jewitt, D.; Marsden, B. G. (1993). "1993 FW". IAU Circ. (Minor Planet Center) 5730: 1. Bibcode:1993IAUC.5730....1L. 

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