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
2020-06-16 07:04:00 C 12 24 43.22 +04 10 15.2 V T08
2020-06-16 07:08:39 C 12 24 43.52 +04 10 13.9 V T08
2020-06-16 07:16:38 C 12 24 44.00 +04 10 11.9 V T08
2020-06-16 07:37:12 C 12 24 45.28 +04 10 07.0 V T08
2020-06-17 20:50:21 C 12 27 15.69 +04 00 53.2 V 160
2020-06-17 20:53:49 C 12 27 15.90 +04 00 51.8 V 160
2020-06-17 20:57:16 C 12 27 16.12 +04 00 49.8 V 160
2020-06-20 06:43:01 C 12 31 23.09 +03 45 11.2 V T08
2020-06-20 06:47:40 C 12 31 23.42 +03 45 10.0 V T08
2020-06-20 06:55:40 C 12 31 23.94 +03 45 07.3 V T08
2020-06-20 07:14:18 C 12 31 25.28 +03 45 02.1 V T08
2020-06-21 20:08:43 C 12 34 11.68 +03 33 52.6 q 160
2020-06-21 20:12:11 C 12 34 11.91 +03 33 51.4 q 160
2020-06-21 20:15:28 C 12 34 12.15 +03 33 50.8 q 160
2020-06-22 06:47:09 C 12 35 00.77 +03 30 37.6 V T05
2020-06-22 06:51:47 C 12 35 01.12 +03 30 36.3 V T05
2020-06-22 06:59:43 C 12 35 01.75 +03 30 33.3 V T05
2020-06-22 07:16:16 C 12 35 02.94 +03 30 28.1 V T05
2020-06-24 06:18:32 C 12 38 47.09 +03 14 59.8 V T08
2020-06-24 06:23:12 C 12 38 47.47 +03 14 58.4 V T08
2020-06-24 06:30:33 C 12 38 48.02 +03 14 55.8 V T08
2020-06-24 07:02:28 C 12 38 50.48 +03 14 45.0 V T08
2020-06-25 20:25:00 C 12 41 56.19 +03 01 29.5 q 160
2020-06-25 20:28:27 C 12 41 56.42 +03 01 28.0 q 160
2020-06-25 20:31:55 C 12 41 56.70 +03 01 26.6 q 160
2020-07-04 07:32:13 C 13 00 38.83 +01 37 22.2 V T05
2020-07-04 07:38:10 C 13 00 39.44 +01 37 19.7 V T05
2020-07-04 07:46:46 C 13 00 40.27 +01 37 15.7 V T05
2020-07-04 08:05:56 C 13 00 42.14 +01 37 06.1 V T05
2020-07-06 20:55:29 C 13 06 55.62 +01 07 49.5 V 160
2020-07-06 20:58:55 C 13 06 55.93 +01 07 47.8 V 160
2020-07-06 21:02:22 C 13 06 56.31 +01 07 47.0 V 160
2020-07-08 06:24:58 C 13 10 28.49 +00 51 06.3 V T05
2020-07-08 06:30:14 C 13 10 29.08 +00 51 02.9 V T05
2020-07-08 06:40:49 C 13 10 30.16 +00 50 57.8 V T05
2020-07-08 06:55:20 C 13 10 31.66 +00 50 50.8 V T05
2020-07-08 20:20:52 C 13 11 58.47 +00 43 51.6 V 160
2020-07-08 20:24:19 C 13 11 58.84 +00 43 50.1 V 160
2020-07-08 20:28:01 C 13 11 59.19 +00 43 48.4 V 160
2020-07-10 07:12:34 C 13 15 47.55 +00 25 40.4 V T08
2020-07-10 07:21:12 C 13 15 48.48 +00 25 35.6 V T08
2020-07-10 07:25:51 C 13 15 49.00 +00 25 33.2 V T08
2020-07-10 07:40:29 C 13 15 50.55 +00 25 25.3 V T08
2020-07-11 20:56:20 C 13 20 02.08 +00 05 09.8 V C95
2020-07-11 21:03:36 C 13 20 02.81 +00 05 05.9 V C95
2020-07-11 21:10:52 C 13 20 03.62 +00 05 01.5 V C95
2020-07-11 21:18:08 C 13 20 04.46 +00 04 58.2 V C95
2020-07-14 06:42:29 C 13 26 44.44 -00 27 13.7 V T08
2020-07-14 06:47:48 C 13 26 45.03 -00 27 16.8 V T08
2020-07-14 06:55:13 C 13 26 45.90 -00 27 21.0 V T08
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)