2012 UN158

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5551907425 ± 1.43e-07
Semi-major axis (a)2.6231953985 AU ± 6.48e-08
Inclination (i)11.33243695° ± 1.23e-05
Long. of Asc. Node (Ω)184.04842239° ± 4.44e-05
Arg. of Perihelion (ω)167.34147150° ± 4.71e-05
Mean Anomaly (M)42.52659634° ± 3.64e-05
Mean Motion (n)0.2319884234°/day ± 8.60e-09
Perihelion dist (q)1.16682160 AU ± 3.76e-07
Aphelion dist (Q)4.07956920 AU ± 3.88e-07
Orbital Period4.24860115 yr ± 1.58e-07
Physical Parameters
H (abs. magnitude)19.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.185″
Uncertainty0
Orbit TypeAmor
MOID0.164437 AU
Observations Used29
Oppositions4
Arc Total2012-2017
First Observation Used2012-09-01
Last Observation Used2017-01-11
Observations (29)
Date Type RA Dec Mag Band Observatory
2012-09-01 12:27:32 C 03 19 19.56 +22 29 21.4 W F51
2012-09-01 12:43:24 C 03 19 22.08 +22 29 07.7 W F51
2012-10-24 13:27:07 c 04 48 17.564 +00 27 29.61 L F51
2012-10-24 13:46:50 c 04 48 17.169 +00 27 13.93 L F51
2012-10-25 08:37:14 C 04 47 59.72 +00 12 18.9 o 291
2012-10-25 08:39:59 C 04 47 59.66 +00 12 16.7 o 291
2012-10-25 08:42:43 C 04 47 59.61 +00 12 14.7 o 291
2012-10-28 10:49:49 C 04 46 29.79 -00 42 56.2 W F51
2012-10-28 11:06:05 C 04 46 29.34 -00 43 07.9 W F51
2012-11-09 11:39:52 C 04 36 52.69 -03 24 03.8 W F51
2012-11-09 11:56:51 C 04 36 51.92 -03 24 10.4 W F51
2012-11-13 05:55:06 C 04 33 05.95 -03 55 27.6 W I41
2012-11-13 06:38:03 C 04 33 03.95 -03 55 40.7 W I41
2012-12-01 10:44:59 C 04 15 08.82 -04 23 38.9 W F51
2012-12-09 07:57:48 C 04 09 29.16 -03 44 00.1 W F51
2012-12-09 08:15:10 C 04 09 28.67 -03 43 55.3 W F51
2012-12-31 05:52:22 C 04 04 38.58 -00 23 36.3 W F51
2012-12-31 06:09:32 C 04 04 38.63 -00 23 28.7 W F51
2012-12-31 08:19:45 C 04 04 39.15 -00 22 30.4 W F51
2012-12-31 08:38:15 C 04 04 39.23 -00 22 22.1 W F51
2015-02-16 14:30:26 C 12 42 30.42 -05 10 50.4 W T14
2015-02-16 14:50:41 C 12 42 30.09 -05 10 47.4 W T14
2015-02-16 14:57:27 C 12 42 29.95 -05 10 45.9 W T14
2015-03-30 07:47:20 C 12 15 09.95 -01 17 39.8 W T09
2015-03-30 08:05:35 C 12 15 09.33 -01 17 34.7 W T09
2015-03-30 09:01:26 C 12 15 07.46 -01 17 19.4 W T09
2017-01-11 01:21:19 C 23 39 56.90 -07 52 39.9 W W84
2017-01-11 01:22:28 C 23 39 57.05 -07 52 39.2 W W84
2017-01-11 01:23:27 C 23 39 57.19 -07 52 38.7 W W84