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Discovery[2]
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| Discovered by | M. E. Brown D. L. Rabinowitz C. A. Trujillo |
| Discovery date | October 21, 2005[1] |
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Designations
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| MPC designation | (202421) 2005 UQ513 |
| Minor planet category |
Cubewano (MPC)[3] ScatExt (DES)[4] |
| Epoch May 14, 2008 | |
| Aphelion | 49.63 AU (Q) |
| Perihelion | 37.00 AU (q) |
| Semi-major axis | 43.31 AU (a) |
| Eccentricity | 0.145 |
| Orbital period | 285.12 yr |
| Mean anomaly | 213.54° (M) |
| Inclination | 25.69° |
| Longitude of ascending node | 307.61° |
| Argument of perihelion | 222.39° |
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Physical characteristics
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| Dimensions | 550–1240 km[1][5] 925 km[6][7] 838 km[8] 513 km[9] |
| Apparent magnitude | 20.8[10] |
| Absolute magnitude (H) | 3.4[1] |
(202421) 2005 UQ513, also written as 2005 UQ513, is a cubewano with an absolute magnitude of 3.4.[1] It is very likely a dwarf planet. 2005 UQ513 shows signs of weak water ice.[11]
Contents |
2005 UQ513 has a perihelion of 37 AU.[1] The Minor Planet Center (MPC) classifies it as a cubewano[3] while the Deep Ecliptic Survey (DES) classifies it as ScatExt.[4]
It is currently 48.7 AU from the Sun.[10] It will come to perihelion around 2124.[1]
It has been observed 51 times over 9 oppositions with precovery images back to 1990.[1]
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