2012 UO138

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6679529244 ± 4.81e-08
Semi-major axis (a)2.0165191490 AU ± 1.68e-08
Inclination (i)54.57111594° ± 2.25e-05
Long. of Asc. Node (Ω)179.78387409° ± 7.96e-06
Arg. of Perihelion (ω)215.45705178° ± 1.13e-05
Mean Anomaly (M)185.97036933° ± 1.13e-05
Mean Motion (n)0.3441983234°/day ± 4.30e-09
Perihelion dist (q)0.66957929 AU ± 9.71e-08
Aphelion dist (Q)3.36345901 AU ± 1.01e-07
Orbital Period2.86354179 yr ± 3.58e-08
Physical Parameters
H (abs. magnitude)17.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.178″
Uncertainty0
Orbit TypeApollo
MOID0.272183 AU
Observations Used65
Oppositions17
Arc Total1999-2025
First Observation Used1999-03-21
Last Observation Used2025-03-21
Observations (76)
Date Type RA Dec Mag Band Observatory
2016-04-29 06:21:36 C 10 12 56.029 +05 19 35.95 L F51
2016-04-29 06:38:55 C 10 12 56.278 +05 19 47.16 L F51
2019-03-03 06:52:11 C 12 10 47.90 -10 59 21.0 o 691
2019-03-03 07:01:55 C 12 10 47.33 -10 59 09.6 o 691
2019-03-03 07:11:37 C 12 10 46.54 -10 58 58.9 o 691
2019-04-03 07:09:27 C 11 24 10.947 +03 12 50.82 U F51
2019-04-03 07:24:40 C 11 24 10.191 +03 13 05.37 U F51
2019-04-03 07:25:35 C 11 24 10.145 +03 13 06.34 U F51
2019-04-03 07:40:49 C 11 24 09.382 +03 13 20.90 U F51
2019-04-03 07:41:45 C 11 24 09.353 +03 13 21.86 U F51
2019-04-03 07:57:00 C 11 24 08.585 +03 13 36.37 U F51
2019-04-21 03:30:47 C 11 09 02.73 +08 46 10.8 u H21
2019-04-21 03:43:38 C 11 09 02.42 +08 46 18.3 u H21
2019-04-21 03:54:26 C 11 09 02.15 +08 46 24.6 u H21
2021-06-03 11:09:00 C 01 07 10.00 +34 39 02.4 U I41
2021-06-03 11:14:48 C 01 07 11.29 +34 38 59.9 U I41
2021-06-04 11:03:21 C 01 12 30.03 +34 26 06.3 U I41
2021-06-04 11:09:08 C 01 12 31.31 +34 26 03.3 U I41
2021-06-05 11:05:15 C 01 17 54.50 +34 12 03.1 U I41
2021-06-05 11:08:04 C 01 17 55.14 +34 12 01.6 U I41
2021-06-05 11:10:52 C 01 17 55.77 +34 11 59.8 U I41
2022-02-24 12:17:46 C 12 59 53.875 -04 09 23.52 U F52
2022-02-24 12:32:34 C 12 59 53.252 -04 09 11.24 U F52
2022-02-24 12:47:22 C 12 59 52.584 -04 08 58.60 U F52
2025-03-21 05:48:48 C 13 02 19.14 +09 45 18.8 V H21
2025-03-21 06:09:40 C 13 02 17.98 +09 45 34.6 V H21