(144897) 2004 UX10
Kuiper Belt object / From Wikipedia, the free encyclopedia
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(144897) 2004 UX10 (provisional designation 2004 UX10) is a Kuiper-belt object. It has a diameter of about 360 kilometres (220 mi)[5] and was discovered by Andrew Becker, Andrew Puckett and Jeremy Kubica on 20 October 2004 at Apache Point Observatory in Sunspot, New Mexico.[2] The object is classified as a cubewano.[3][4] It is near a 2:3 resonance with Neptune.[5][7]
Quick Facts Discovery, Discovered by ...
Discovery[1] | |
---|---|
Discovered by | A. C. Becker A. W. Puckett J. Kubica |
Discovery site | Apache Point Obs. |
Discovery date | 20 October 2004 |
Designations | |
(144897) 2004 UX10 | |
TNO[2] · cubewano[3][4] | |
Orbital characteristics[2] | |
Epoch 27 April 2019 (JD 2458600.5) | |
Uncertainty parameter 2 | |
Observation arc | 65.21 yr (23,818 days) |
Aphelion | 40.591 AU |
Perihelion | 37.152 AU |
38.871 AU | |
Eccentricity | 0.0442 |
242.35 yr (88,520 days) | |
102.254° | |
0° 0m 14.76s / day | |
Inclination | 9.5316° |
147.90° | |
149.15° | |
Physical characteristics | |
Dimensions | 361+124 −94 km[5] 398±39 km[5][6] |
Mass | > ≈ 3×1019 kg |
Mean density | > 1.21 g/cm3[7] |
Equatorial surface gravity | > 0.06 m/s2 |
Equatorial escape velocity | > 0.15 km/s |
7.58±0.05 h[8] | |
0.141+0.044 −0.031[5] | |
B–V =0.95±0.02 V–R = 0.58±0.05[5] C[6] | |
20.6[9] | |
4.75±0.16[5] 4.4[2] | |
Close
It is estimated by astronomer Michael E. Brown to likely be a dwarf planet based on its presumed size, calculated from its absolute magnitude (H) and assumed albedo.[10]