2012 UK171

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2230129088 ± 2.09e-08
Semi-major axis (a)0.8586742113 AU ± 6.85e-10
Inclination (i)1.28835930° ± 8.21e-07
Long. of Asc. Node (Ω)248.86355111° ± 1.59e-05
Arg. of Perihelion (ω)359.86511331° ± 1.73e-05
Mean Anomaly (M)271.92779120° ± 4.40e-06
Mean Motion (n)1.2387100078°/day ± 1.48e-09
Perihelion dist (q)0.66717878 AU ± 1.80e-08
Aphelion dist (Q)1.05016964 AU ± 1.80e-08
Orbital Period0.79568767 yr ± 9.52e-10
NGA Modelr2
A2-5.17060643e-14 ± 2.52e-15 AU/d²
Physical Parameters
H (abs. magnitude)24.46
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.339″
Uncertainty0
Orbit TypeAten
MOID0.013146 AU
Observations Used282
Oppositions3
Arc Total2012-2024
First Observation Used2012-10-25
Last Observation Used2024-12-27
Observations (287)
Date Type RA Dec Mag Band Observatory
2020-12-24 08:32:31 C 05 36 27.98 +11 36 53.1 V T05
2020-12-24 09:02:25 C 05 36 09.31 +11 35 49.2 V T05
2020-12-24 09:07:55 C 05 36 05.94 +11 35 37.6 V T05
2020-12-24 09:15:52 C 05 36 00.96 +11 35 20.1 V T05
2020-12-24 09:16:31 C 05 36 00.56 +11 35 18.7 V T05
2020-12-24 09:19:09 C 05 35 58.91 +11 35 13.1 V T05
2020-12-25 07:42:22 C 05 23 06.12 +10 44 21.0 V T08
2020-12-25 07:45:02 C 05 23 04.39 +10 44 15.2 V T08
2020-12-25 07:49:40 C 05 23 01.41 +10 44 04.2 V T08
2020-12-25 08:09:43 C 05 22 48.51 +10 43 18.4 V T08
2021-01-02 07:20:53 C 03 25 03.52 +01 51 38.9 o 691
2021-01-02 07:39:51 C 03 24 51.82 +01 50 45.1 o 691
2021-01-03 04:52:52 C 03 12 49.53 +00 52 08.0 o 691
2021-01-03 05:12:02 C 03 12 37.80 +00 51 15.7 o 691
2021-01-03 05:31:15 C 03 12 26.04 +00 50 23.4 o 691
2021-01-04 06:43:19 C 02 58 31.98 -00 16 24.8 o 691
2021-01-04 07:00:50 C 02 58 21.98 -00 17 09.9 o 691
2021-01-05 06:45:57 C 02 46 04.108 -01 16 17.53 U F51
2021-01-05 07:21:41 C 02 45 43.936 -01 17 44.74 U F51
2021-01-05 07:39:25 C 02 45 33.963 -01 18 27.87 U F51
2021-01-05 18:54:49 S 02 39 57.914 -01 44 20.69 L C51
2021-01-12 04:05:13 C 01 36 27.11 -06 37 11.7 o 291
2021-01-12 04:09:40 C 01 36 25.47 -06 37 17.8 o 291
2021-01-12 04:14:07 C 01 36 23.83 -06 37 24.5 o 291
2021-01-13 02:13:56 C 01 29 12.79 -07 08 46.3 V G96
2021-01-13 02:22:04 C 01 29 09.85 -07 08 57.6 V G96
2021-01-13 02:38:20 C 01 29 04.08 -07 09 19.2 V G96
2024-12-22 08:43:01 C 10 07 05.120 +03 49 09.20 V 691
2024-12-22 09:00:44 C 10 07 06.880 +03 48 31.80 V 691
2024-12-22 09:18:25 C 10 07 08.600 +03 47 53.40 V 691
2024-12-24 15:05:09 C 10 14 06.248 +01 40 16.06 X F51
2024-12-24 15:23:04 C 10 14 08.150 +01 39 29.22 X F51
2024-12-24 15:40:54 C 10 14 10.071 +01 38 42.13 X F51
2024-12-27 14:52:45 C 10 25 30.918 -01 55 51.39 X F51
2024-12-27 15:07:55 C 10 25 33.039 -01 56 43.97 X F51
2024-12-27 15:23:01 C 10 25 35.150 -01 57 36.27 X F51
2024-12-27 15:38:08 C 10 25 37.290 -01 58 28.92 X F51