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
2017-09-11 18:02:26 C 21 43 28.23 -04 57 35.6 q C97
2017-09-11 18:05:12 C 21 43 28.38 -04 57 36.9 q C97
2017-09-11 18:07:43 C 21 43 28.55 -04 57 38.5 q C97
2017-09-11 18:10:53 C 21 43 28.71 -04 57 39.7 q C97
2017-09-11 18:12:42 C 21 43 28.80 -04 57 40.6 q C97
2017-09-11 18:17:15 C 21 43 29.08 -04 57 42.8 q C97
2017-09-11 18:18:27 C 21 43 29.15 -04 57 43.4 q C97
2017-09-11 18:19:38 C 21 43 29.22 -04 57 44.1 q C97
2017-09-11 20:21:16 C 21 43 37.43 -04 58 52.0 q K74
2017-09-11 20:23:30 C 21 43 37.57 -04 58 53.2 q K74
2017-09-11 20:25:43 C 21 43 37.71 -04 58 54.0 q K74
2017-09-14 08:45:45 C 21 47 29.40 -05 26 33.6 L T05
2017-09-14 08:55:30 C 21 47 29.95 -05 26 37.9 L T05
2017-09-14 09:05:54 C 21 47 30.53 -05 26 42.4 L T05
2017-09-14 09:15:59 C 21 47 31.11 -05 26 46.7 L T05
2017-09-16 08:31:59 C 21 50 29.07 -05 46 26.5 L T08
2017-09-16 08:41:41 C 21 50 29.60 -05 46 30.9 L T08
2017-09-16 08:53:02 C 21 50 30.22 -05 46 35.3 L T08
2017-09-16 09:03:48 C 21 50 30.82 -05 46 39.3 L T08
2017-09-17 05:42:12 C 21 51 47.60 -05 54 44.4 q 703
2017-09-17 05:50:02 C 21 51 48.04 -05 54 47.2 q 703
2017-09-17 05:57:52 C 21 51 48.48 -05 54 50.4 q 703
2017-09-17 06:05:43 C 21 51 48.92 -05 54 53.2 q 703
2017-09-20 05:16:00 C 21 56 09.84 -06 19 54.8 q 703
2017-09-20 05:23:52 C 21 56 10.28 -06 19 57.5 q 703
2017-09-20 05:31:42 C 21 56 10.69 -06 20 00.0 q 703
2017-09-20 05:39:31 C 21 56 11.17 -06 20 02.6 q 703
2017-09-20 23:01:09 C 21 57 13.90 -06 25 34.8 q J27
2017-09-20 23:06:42 C 21 57 14.20 -06 25 36.7 q J27
2017-09-20 23:11:26 C 21 57 14.45 -06 25 38.0 q J27
2017-09-21 01:53:30 C 21 57 24.91 -06 26 26.7 q W33
2017-09-21 02:27:39 C 21 57 26.83 -06 26 36.3 q W33
2017-09-21 03:03:03 C 21 57 28.83 -06 26 49.5 q W33
2017-09-22 07:46:28 C 21 59 12.334 -06 35 15.09 L F51
2017-09-22 08:03:39 C 21 59 13.267 -06 35 20.00 L F51
2017-09-22 08:20:46 C 21 59 14.191 -06 35 24.85 L F51
2017-09-22 08:37:53 C 21 59 15.122 -06 35 29.79 L F51
2017-09-25 04:42:18 C 22 03 18.58 -06 53 17.0 q 703
2017-09-25 04:50:08 C 22 03 19.01 -06 53 18.7 q 703
2017-09-25 04:57:55 C 22 03 19.46 -06 53 20.6 q 703
2017-09-25 05:05:40 C 22 03 19.86 -06 53 22.4 q 703
2017-09-26 08:11:04 C 22 04 56.02 -06 59 26.8 L T05
2017-09-26 08:20:45 C 22 04 56.55 -06 59 28.8 L T05
2017-09-26 08:29:35 C 22 04 57.02 -06 59 30.8 L T05
2017-09-26 08:40:20 C 22 04 57.60 -06 59 33.1 L T05
2017-09-28 08:13:24 C 22 07 45.90 -07 09 04.2 L T08
2017-09-28 08:23:44 C 22 07 46.48 -07 09 05.9 L T08
2017-09-28 08:34:03 C 22 07 47.03 -07 09 07.8 L T08
2017-09-28 08:45:50 C 22 07 47.66 -07 09 09.9 L T08
2017-09-28 20:14:46 C 22 08 28.93 -07 11 19.0 q Z38
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)