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50000 Quaoar facts for kids

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50000 Quaoar
Sum of 16 Hubble exposures registered on Quaoar.
Sum of 16 Hubble exposures registered on Quaoar.
Discovery
Discovered by Chad Trujillo, Michael Brown
Discovery date 2002 Jun 05 10:48:08 PDT on an image taken 2002 June 04 05:41:40 UT
Designations
2002 LM60
Cubewano
Orbital characteristics
Epoch May 18, 2008 (JD 2 454 600.5)
Aphelion 6.716 275 Tm (45.286 AU)
Perihelion 6.270 316 Tm (41.928 AU)
6.493 296 Tm (43.607 AU)
Eccentricity 0.038 4
105 181.6 d (287.97 a)
4.52 km/s
284.861°
Inclination 7.988°
188.893°
148.508°
Physical characteristics
Dimensions

1260 ± 190 km (direct)


844+207−190 km (thermal)
Mass (1.0–2.6)×1021 kg
Mean density
2.0? g/cm³
Equatorial surface gravity
0.276–0.376 m/s²
Equatorial escape velocity
0.523–0.712 km/s

0.088 +0.021−0.012


0.198 6 +0.13−0.07
Temperature ~43 K
(moderately red) B-V=0.94, V-R=0.65
2.6

50000 Quaoar is a Trans-Neptunian object and could be a dwarf planet. It was found on June 4, 2002 by Chad Trujillo and Michael Brown at the California Institute of Technology.

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