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
2017-05-26 00:27:36 C 15 56 55.48 -01 26 44.0 d Z35
2017-05-26 00:44:35 C 15 56 56.14 -01 26 22.9 d Z35
2017-05-26 00:59:59 C 15 56 56.75 -01 26 05.7 d Z35
2017-05-26 04:14:05 C 15 57 07.39 -01 22 24.3 q W34
2017-05-26 04:27:06 C 15 57 07.91 -01 22 09.7 q W34
2017-05-26 04:44:28 C 15 57 08.59 -01 21 50.2 q W34
2017-05-26 04:58:13 C 15 57 09.13 -01 21 34.6 q W34
2017-05-26 22:19:12 C 15 58 01.21 -01 01 59.5 q 160
2017-05-26 22:21:08 C 15 58 01.29 -01 01 57.4 q 160
2017-05-26 22:23:04 C 15 58 01.38 -01 01 55.2 q 160
2017-05-27 02:12:14 C 15 58 11.30 -00 57 34.0 15.0 d B66
2017-05-27 02:43:01 C 15 58 12.70 -00 56 59.0 15.1 d B66
2017-05-27 05:22:19 C 15 58 22.29 -00 53 52.8 q W33
2017-05-27 05:48:41 C 15 58 23.38 -00 53 23.3 q W33
2017-05-27 11:41:38 C 15 58 40.85 -00 46 30.9 L T05
2017-05-27 12:06:59 C 15 58 41.91 -00 46 01.9 L T05
2017-05-27 12:33:06 C 15 58 43.02 -00 45 32.0 L T05
2017-05-27 13:00:08 C 15 58 44.18 -00 45 01.0 L T05
2017-05-27 15:45:24 C 15 58 54.59 -00 41 59.9 q D29
2017-05-27 16:05:45 C 15 58 55.44 -00 41 36.6 q D29
2017-05-27 16:26:07 C 15 58 56.30 -00 41 13.3 q D29
2017-05-27 22:28:56 C 15 59 15.98 -00 34 24.3 q 160
2017-05-27 22:30:51 C 15 59 16.07 -00 34 22.1 q 160
2017-05-27 22:32:48 C 15 59 16.15 -00 34 20.0 q 160
2017-05-28 07:51:32 C 15 59 45.16 -00 23 31.7 q 703
2017-05-28 07:55:46 C 15 59 45.34 -00 23 26.8 q 703
2017-05-28 07:59:57 C 15 59 45.52 -00 23 22.0 q 703
2017-05-28 08:04:10 C 15 59 45.71 -00 23 17.2 q 703
2017-05-28 11:51:22 C 15 59 57.33 -00 18 47.1 L T08
2017-05-28 12:15:21 C 15 59 58.39 -00 18 19.6 L T08
2017-05-28 12:38:38 C 15 59 59.42 -00 17 52.7 L T08
2017-05-28 13:02:32 C 16 00 00.51 -00 17 25.1 L T08
2017-05-28 23:43:31 C 16 00 37.01 -00 05 21.1 q 160
2017-05-28 23:45:29 C 16 00 37.10 -00 05 18.8 q 160
2017-05-28 23:47:26 C 16 00 37.19 -00 05 16.5 q 160
2017-05-28 23:49:20 C 16 00 37.97 -00 05 06.7 14.8 q J43
2017-05-29 00:13:46 C 16 00 39.06 -00 04 38.6 14.7 q J43
2017-05-29 00:38:10 C 16 00 40.14 -00 04 10.3 14.8 q J43
2017-05-29 01:02:30 C 16 00 41.23 -00 03 42.2 14.8 q J43
2017-05-29 20:10:49 C 16 01 47.84 +00 18 20.0 U K41
2017-05-29 20:18:37 C 16 01 48.24 +00 18 29.0 U K41
2017-05-29 20:26:25 C 16 01 48.63 +00 18 38.1 U K41
2017-05-29 20:34:12 C 16 01 49.02 +00 18 47.2 U K41
2017-05-29 20:42:00 C 16 01 49.40 +00 18 56.3 U K41
2017-05-29 20:49:48 C 16 01 49.80 +00 19 05.3 U K41
2017-05-29 20:59:58 C 16 01 50.30 +00 19 17.2 U K41
2017-05-29 21:07:54 C 16 01 50.69 +00 19 26.2 U K41
2017-05-29 21:16:29 C 16 01 51.12 +00 19 36.4 U K41
2017-05-29 21:24:16 C 16 01 51.50 +00 19 45.4 U K41
2017-05-29 21:32:04 C 16 01 51.87 +00 19 54.5 U K41
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)