2018 UR2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4061475879 ± 2.00e+00
Semi-major axis (a)1.8092969647 AU ± 3.00e+00
Inclination (i)37.94130785° ± 4.00e+00
Long. of Asc. Node (Ω)42.56208206° ± 5.00e+00
Arg. of Perihelion (ω)352.03009749° ± 6.00e+00
Mean Anomaly (M)325.21207191° ± 1.27e-01
Mean Motion (n)0.4049913400°/day ± 1.01e+00
Perihelion dist (q)1.07445490 AU ± 4.03e+00
Aphelion dist (Q)2.54410330 AU ± 5.56e+00
Orbital Period2.43365130 yr ± 6.05e+00
Physical Parameters
H (abs. magnitude)20.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.219″
Uncertainty3
Orbit TypeAmor
MOID0.084296 AU
Observations Used145
Oppositions1
Arc Total2018-2018
First Observation Used
Last Observation Used2018-11-21
Observations (191)
Date Type RA Dec Mag Band Observatory
2018-10-19 11:44:40 S 05 15 26.722 -43 41 26.38 V C57
2018-10-19 11:44:40 s 1 +132830.35 2 -11962.466 9550.0 C57
2018-10-19 12:14:40 S 05 15 22.723 -43 40 26.83 V C57
2018-10-19 12:14:40 s 1 +134096.28 8 - 9003.647 5670.0 C57
2018-10-19 21:44:40 S 05 14 02.429 -43 21 04.39 V C57
2018-10-19 21:44:40 s 1 +150087.89 3 +46799.903 700.0 C57
2018-10-19 22:14:40 S 05 13 57.252 -43 19 56.71 V C57
2018-10-19 22:14:40 s 1 +150562.17 0 +49666.971 0.0 C57
2018-10-19 23:14:40 S 05 13 48.739 -43 17 51.76 V C57
2018-10-19 23:14:40 s 1 +151416.69 0 +55369.456 1900.0 C57
2018-10-20 11:44:40 S 05 11 46.716 -42 49 06.89 V C57
2018-10-20 11:44:40 s 1 +153324.55 8 +122373.48 0.235 C57
2018-10-20 13:14:40 S 05 11 31.843 -42 45 24.62 V C57
2018-10-20 13:14:40 s 1 +152663.25 5 +129826.93 0.013 C57
2018-10-20 17:14:40 S 05 10 48.600 -42 35 04.99 V C57
2018-10-20 17:14:40 s 1 +150169.88 4 +149060.00 0.019 C57
2018-10-20 17:44:40 S 05 10 43.027 -42 33 41.76 V C57
2018-10-20 17:44:40 s 1 +149789.09 4 +151398.30 0.709 C57
2018-10-20 21:44:40 S 05 10 00.103 -42 23 21.70 V C57
2018-10-20 21:44:40 s 1 +146245.87 5 +169580.05 0.811 C57
2018-10-21 00:44:40 S 05 09 26.952 -42 15 21.31 V C57
2018-10-21 00:44:40 s 1 +143059.59 8 +182608.82 0.07 C57
2018-10-21 02:14:40 S 05 09 09.614 -42 10 59.81 V C57
2018-10-21 02:14:40 s 1 +141313.29 7 +188930.11 0.004 C57
2018-10-21 05:14:40 S 05 08 35.153 -42 02 32.06 V C57
2018-10-21 05:14:40 s 1 +137540.69 9 +201191.18 0.069 C57
2018-10-21 05:44:40 S 05 08 30.444 -42 01 13.44 V C57
2018-10-21 05:44:40 s 1 +136877.73 3 +203185.69 0.837 C57
2018-10-21 07:14:40 S 05 08 12.790 -41 57 00.90 V C57
2018-10-21 07:14:40 s 1 +134833.57 8 +209085.96 0.462 C57
2018-10-21 08:14:40 S 05 08 00.473 -41 53 49.27 V C57
2018-10-21 08:14:40 s 1 +133426.34 7 +212950.52 0.935 C57
2018-10-26 13:47:21 C 04 39 47.61 -31 34 20.3 U T05
2018-10-26 14:01:15 C 04 39 43.55 -31 32 46.4 U T05
2018-10-26 14:15:15 C 04 39 39.47 -31 31 11.5 U T05
2018-10-26 14:29:14 C 04 39 35.41 -31 29 36.5 U T05
2018-10-27 02:07:44 C 04 36 24.96 -30 06 55.9 U X31
2018-10-27 02:12:00 C 04 36 23.71 -30 06 25.3 U X31
2018-10-27 02:16:22 C 04 36 22.40 -30 05 54.5 U X31
2018-10-27 06:53:25 C 04 35 00.94 -29 32 57.4 V H01
2018-10-27 07:03:21 C 04 34 57.88 -29 31 43.8 V H01
2018-10-27 07:30:53 C 04 34 49.39 -29 28 18.6 V H01
2018-10-27 07:35:52 C 04 34 47.85 -29 27 41.5 V H01
2018-10-28 07:18:38 C 04 27 31.09 -26 14 47.7 V H01
2018-10-28 07:28:53 C 04 27 27.62 -26 13 18.2 V H01
2018-10-28 07:36:02 C 04 27 25.48 -26 12 14.0 V I52
2018-10-28 07:36:14 C 04 27 25.41 -26 12 12.1 V I52
2018-10-28 07:36:25 C 04 27 25.37 -26 12 10.7 V I52
2018-10-28 07:36:36 C 04 27 25.29 -26 12 09.1 V I52
2018-10-28 07:36:40 C 04 27 24.98 -26 12 10.3 V H01