(455502) 2003 UZ413
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(455502) 2003 UZ413 (provisional designation 2003 UZ413) is a trans-Neptunian object (TNO) with an absolute magnitude of 4.38.[5] It is in a 2:3 orbital resonance with Neptune, thus it is classified as a plutino.[3] There are indications it may be dense enough to be a dwarf planet. It was given the minor planet number 455502 on 22 February 2016.[11]
Quick Facts Discovery, Discovered by ...
Discovery[1] | |
---|---|
Discovered by | M. E. Brown D. L. Rabinowitz C. A. Trujillo |
Discovery date | 21 October 2003 |
Designations | |
2003 UZ413 | |
TNO[2] · plutino[3][4][lower-alpha 1] | |
Orbital characteristics[2] | |
Epoch 27 April 2019 (JD 2458600.5) | |
Uncertainty parameter 2 | |
Observation arc | 63.25 years (23103 days)\ |
Earliest precovery date | 29 July 1954 |
Aphelion | 47.968 AU (7.1759 Tm) |
Perihelion | 30.241 AU (4.5240 Tm) |
39.104 AU (5.8499 Tm) | |
Eccentricity | 0.22667 |
244.54 yr (89317.3 d) | |
113.43° | |
0° 0m 14.51s / day | |
Inclination | 12.04911° |
135.930° | |
145.00° | |
Physical characteristics | |
Dimensions | 650+1 −175 km (upper limit)[5] 472+122 −25 km (lower limit)[5] |
Mass | ≈3×1020 kg[lower-alpha 2] |
Mean density | 2.29–3.00 > ρ >0.72 g/cm3[6] 2.64 g/cm3[7] |
4.13±0.05 h[6][8] 4.14 h[2] | |
0.075+0.076 −0.006 (lower limit)[5] 0.151+0.025 −0.064 (upper limit)[5] | |
V–R=0.45±0.04[5] BB taxon (blue/neutral)[7][9][lower-alpha 3] V−R=0.46±0.06 R−I=0.37±0.06[9] | |
21[10] | |
4.38±0.05[5] 4.3 (assumed)[2] | |
Close
2003 UZ413 has been observed 79 times over 15 oppositions, with precovery images back to 27 July 1954.[2]