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
2020-05-09 20:04:07 C 12 01 28.22 +03 23 53.3 U K92
2020-05-09 20:06:44 C 12 01 28.17 +03 23 54.2 U K92
2020-05-09 20:09:20 C 12 01 28.12 +03 23 55.1 U K92
2020-05-09 20:11:56 C 12 01 28.07 +03 23 56.0 U K92
2020-05-09 20:14:33 C 12 01 28.02 +03 23 57.0 U K92
2020-05-12 13:07:36 C 12 00 37.43 +03 45 25.0 q D29
2020-05-12 13:27:58 C 12 00 37.16 +03 45 31.4 q D29
2020-05-12 13:48:19 C 12 00 36.88 +03 45 37.5 q D29
2020-05-13 08:23:43 C 12 00 26.57 +03 51 22.3 V T05
2020-05-13 08:27:43 C 12 00 26.52 +03 51 23.3 V T05
2020-05-13 08:36:21 C 12 00 26.45 +03 51 26.1 V T05
2020-05-13 09:07:59 C 12 00 26.05 +03 51 35.3 V T05
2020-05-15 09:11:03 C 12 00 08.83 +04 05 12.1 V T08
2020-05-15 09:16:24 C 12 00 08.81 +04 05 13.5 V T08
2020-05-15 09:25:41 C 12 00 08.74 +04 05 16.3 V T08
2020-05-15 09:40:24 C 12 00 08.64 +04 05 19.7 V T08
2020-05-16 01:21:14 C 12 00 06.64 +04 09 21.8 q W33
2020-05-16 01:32:07 C 12 00 06.65 +04 09 24.4 q W33
2020-05-16 01:36:51 C 12 00 06.62 +04 09 25.3 q W33
2020-05-16 20:38:04 C 12 00 04.98 +04 14 06.5 V A16
2020-05-16 20:53:31 C 12 00 04.95 +04 14 10.4 V A16
2020-05-16 21:08:57 C 12 00 04.87 +04 14 13.6 V A16
2020-05-17 08:26:05 C 12 00 04.88 +04 17 01.4 V T05
2020-05-17 08:30:43 C 12 00 04.85 +04 17 02.1 V T05
2020-05-17 08:40:02 C 12 00 04.81 +04 17 04.3 V T05
2020-05-17 08:55:23 C 12 00 04.81 +04 17 07.8 V T05
2020-05-18 07:26:43 C 12 00 07.722 +04 22 12.56 U F52
2020-05-18 07:43:54 C 12 00 07.701 +04 22 16.30 U F52
2020-05-18 08:01:05 C 12 00 07.690 +04 22 19.98 U F52
2020-05-18 08:18:11 C 12 00 07.676 +04 22 23.66 U F52
2020-05-18 20:22:52 C 12 00 10.61 +04 24 52.0 V A16
2020-05-18 20:55:31 C 12 00 10.67 +04 24 58.8 V A16
2020-05-18 21:11:49 C 12 00 10.67 +04 25 02.0 V A16
2020-05-19 08:08:49 C 12 00 13.73 +04 27 22.5 V T08
2020-05-19 08:14:48 C 12 00 13.75 +04 27 23.1 V T08
2020-05-19 08:22:48 C 12 00 13.74 +04 27 24.6 V T08
2020-05-19 08:48:03 C 12 00 13.77 +04 27 30.0 V T08
2020-05-21 07:32:06 C 12 00 35.63 +04 36 03.7 V T05
2020-05-21 07:36:43 C 12 00 35.66 +04 36 04.9 V T05
2020-05-21 07:44:42 C 12 00 35.72 +04 36 06.1 V T05
2020-05-21 08:03:59 C 12 00 35.82 +04 36 09.0 V T05
2020-05-21 20:32:53 C 12 00 43.96 +04 38 04.7 V A16
2020-05-21 20:49:13 C 12 00 44.11 +04 38 06.9 V A16
2020-05-21 21:05:35 C 12 00 44.24 +04 38 09.5 V A16
2020-05-21 21:11:47 C 12 00 44.24 +04 38 11.1 q 160
2020-05-21 21:15:10 C 12 00 44.24 +04 38 11.7 q 160
2020-05-21 21:18:32 C 12 00 44.28 +04 38 12.6 q 160
2020-05-21 21:21:55 C 12 00 44.35 +04 38 12.0 V A16
2020-05-22 09:24:29 C 12 00 53.05 +04 40 23.4 q E89
2020-05-22 09:45:36 C 12 00 53.23 +04 40 26.1 q E89
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)