190166 (2005 UP156)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4714656459 ± 1.25e-09
Semi-major axis (a)2.1148021999 AU ± 1.95e-09
Inclination (i)4.20652007° ± 1.68e-07
Long. of Asc. Node (Ω)193.09986023° ± 5.15e-06
Arg. of Perihelion (ω)91.63338068° ± 5.17e-06
Mean Anomaly (M)258.92267058° ± 1.41e-06
Mean Motion (n)0.3204849545°/day ± 4.43e-10
Perihelion dist (q)1.11774561 AU ± 2.84e-09
Aphelion dist (Q)3.11185879 AU ± 3.90e-09
Orbital Period3.07542139 yr ± 4.25e-09
Physical Parameters
H (abs. magnitude)17.26
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.179″
Uncertainty0
Orbit TypeAmor
MOID0.126650 AU
Observations Used2681
Radar Obs Used2
Oppositions10
Arc Total2002-2026
First Observation Used2002-11-24
Last Observation Used2026-03-18
Observations (2889)
Date Type RA Dec Mag Band Observatory
2020-04-04 20:51:02 C 12 36 46.38 -04 00 33.4 V B67
2020-04-04 21:02:13 C 12 36 45.79 -04 00 27.1 V B67
2020-04-05 00:29:36 C 12 36 34.65 -03 58 32.0 V A16
2020-04-05 00:45:57 C 12 36 33.77 -03 58 22.7 V A16
2020-04-05 01:03:00 C 12 36 32.88 -03 58 13.4 V A16
2020-04-10 10:23:06 C 12 29 47.25 -02 44 15.3 V T08
2020-04-10 10:29:12 C 12 29 46.93 -02 44 11.8 V T08
2020-04-10 10:37:13 C 12 29 46.45 -02 44 07.1 V T08
2020-04-10 10:51:56 C 12 29 45.60 -02 43 58.4 V T08
2020-04-10 11:54:24 C 12 29 42.46 -02 43 08.8 q E89
2020-04-10 12:01:00 C 12 29 41.76 -02 43 17.1 V T05
2020-04-10 12:05:42 C 12 29 41.49 -02 43 15.3 V T05
2020-04-10 12:13:09 C 12 29 41.07 -02 43 10.8 V T05
2020-04-10 12:17:57 C 12 29 41.14 -02 42 54.3 q E89
2020-04-10 12:35:26 C 12 29 39.84 -02 42 57.7 V T05
2020-04-10 12:41:55 C 12 29 39.83 -02 42 40.2 q E89
2020-04-10 13:06:41 C 12 29 38.43 -02 42 26.0 q E89
2020-04-11 23:25:22 C 12 27 49.65 -02 22 33.8 V A16
2020-04-11 23:41:41 C 12 27 48.75 -02 22 24.4 V A16
2020-04-11 23:58:00 C 12 27 47.85 -02 22 14.5 V A16
2020-04-12 00:14:19 C 12 27 46.92 -02 22 05.1 V A16
2020-04-12 06:43:11 C 12 27 26.61 -02 18 13.4 V 703
2020-04-12 06:50:52 C 12 27 26.16 -02 18 08.5 V 703
2020-04-12 06:58:33 C 12 27 25.75 -02 18 03.6 V 703
2020-04-12 07:06:13 C 12 27 25.30 -02 17 59.4 V 703
2020-04-12 09:38:35 C 12 27 17.349 -02 16 26.74 U F52
2020-04-12 10:12:36 C 12 27 15.425 -02 16 06.58 U F52
2020-04-12 10:29:33 C 12 27 14.465 -02 15 56.56 U F52
2020-04-13 07:35:58 C 12 26 07.54 -02 03 29.9 V 703
2020-04-13 07:43:30 C 12 26 07.15 -02 03 24.9 V 703
2020-04-13 07:51:01 C 12 26 06.73 -02 03 20.2 V 703
2020-04-13 07:58:33 C 12 26 06.33 -02 03 15.6 V 703
2020-04-13 10:30:41 C 12 25 58.36 -02 01 42.7 V T08
2020-04-13 10:34:43 C 12 25 58.14 -02 01 40.3 V T08
2020-04-13 10:43:43 C 12 25 57.63 -02 01 35.0 V T08
2020-04-13 11:01:12 C 12 25 56.65 -02 01 24.5 V T08
2020-04-15 04:44:53 C 12 23 46.06 -01 36 40.5 V G96
2020-04-15 04:52:52 C 12 23 45.62 -01 36 35.9 V G96
2020-04-15 05:00:53 C 12 23 45.18 -01 36 31.0 V G96
2020-04-15 05:08:52 C 12 23 44.74 -01 36 26.3 V G96
2020-04-15 21:49:15 C 12 22 52.58 -01 26 34.4 V 160
2020-04-15 21:51:33 C 12 22 52.44 -01 26 33.1 V 160
2020-04-15 21:54:00 C 12 22 52.31 -01 26 31.4 V 160
2020-04-15 22:12:25 C 12 22 51.30 -01 26 20.5 V 130
2020-04-15 22:14:34 C 12 22 51.18 -01 26 19.2 V 130
2020-04-15 22:16:44 C 12 22 51.08 -01 26 18.3 V 130
2020-04-15 22:18:52 C 12 22 50.96 -01 26 16.8 V 130
2020-04-15 22:47:49 C 12 22 49.39 -01 25 59.7 V A16
2020-04-15 23:04:11 C 12 22 48.50 -01 25 50.0 V A16
2020-04-15 23:20:32 C 12 22 47.59 -01 25 40.4 V A16
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-06-03 03:53:00 187833357.48 4 us 2380 -1 -1
2017-07-08 04:16:00 133408128.35 2 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)