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
2020-08-23 06:07:21 C 15 57 40.94 -11 46 48.5 V T08
2020-08-23 06:21:56 C 15 57 43.73 -11 46 58.7 V T08
2020-08-27 06:27:38 C 16 16 44.00 -12 53 47.0 V T08
2020-08-27 06:36:21 C 16 16 45.70 -12 53 53.0 V T08
2020-08-27 06:41:00 C 16 16 46.61 -12 53 55.4 V T08
2020-08-27 06:56:27 C 16 16 49.67 -12 54 05.8 V T08
2020-08-29 07:05:42 C 16 26 32.48 -13 25 53.0 V T05
2020-08-29 07:10:19 C 16 26 33.43 -13 25 55.8 V T05
2020-08-29 07:22:52 C 16 26 35.90 -13 26 04.7 V T05
2020-08-29 07:37:23 C 16 26 38.79 -13 26 13.8 V T05
2020-08-30 07:36:07 C 16 31 31.51 -13 41 31.7 V T08
2020-08-30 07:40:46 C 16 31 32.39 -13 41 34.0 V T08
2020-08-30 07:58:02 C 16 31 35.92 -13 41 45.5 V T08
2020-08-30 08:10:39 C 16 31 38.39 -13 41 53.8 V T08
2020-09-03 06:18:40 C 16 51 00.66 -14 38 27.4 V T08
2020-09-03 06:23:18 C 16 51 01.62 -14 38 30.3 V T08
2020-09-03 06:51:10 C 16 51 07.27 -14 38 46.1 V T08
2020-09-07 06:52:45 C 17 11 07.47 -15 29 43.7 V T08
2020-09-07 06:58:43 C 17 11 08.71 -15 29 46.5 V T08
2020-09-07 07:08:00 C 17 11 10.58 -15 29 50.7 V T08
2020-09-07 07:23:21 C 17 11 13.76 -15 29 58.5 V T08
2020-09-19 06:04:59 C 18 11 00.42 -17 14 26.4 V T08
2020-09-19 06:09:38 C 18 11 01.37 -17 14 27.1 V T08
2020-09-19 06:17:39 C 18 11 02.99 -17 14 29.0 V T08
2020-09-19 06:21:38 C 18 11 03.77 -17 14 29.5 V T08
2020-09-19 06:33:35 C 18 11 06.19 -17 14 32.4 V T08
2020-10-10 01:55:16 C 19 46 56.24 -17 20 40.2 V G96
2020-10-10 02:03:23 C 19 46 57.66 -17 20 38.6 V G96
2020-10-10 02:19:37 C 19 47 00.42 -17 20 35.7 V G96
2020-10-20 02:42:32 C 20 26 52.49 -16 21 10.1 V G96
2020-10-20 02:50:37 C 20 26 53.75 -16 21 07.7 V G96
2020-10-20 02:58:40 C 20 26 54.99 -16 21 04.1 V G96
2020-10-20 03:06:44 C 20 26 56.24 -16 21 02.5 V G96
2020-10-29 03:31:45 C 20 59 16.70 -15 05 09.1 V G96
2020-10-29 03:37:52 C 20 59 17.58 -15 05 06.3 V G96
2020-10-29 03:43:58 C 20 59 18.44 -15 05 04.5 V G96
2020-10-29 03:50:06 C 20 59 19.35 -15 05 01.5 V G96
2020-11-02 05:02:08 C 21 12 50.286 -14 25 56.05 U F52
2020-11-02 05:19:47 C 21 12 52.644 -14 25 48.83 U F52
2020-11-02 05:37:21 C 21 12 54.992 -14 25 41.25 U F52
2020-11-02 05:54:55 C 21 12 57.334 -14 25 34.11 U F52
2020-11-07 10:19:03 C 21 29 25.03 -13 32 09.4 q D29
2020-11-07 10:39:25 C 21 29 27.58 -13 32 00.8 q D29
2020-11-07 10:59:46 C 21 29 30.16 -13 31 51.9 q D29
2020-11-19 02:35:13 C 22 03 32.70 -11 21 36.3 V G96
2020-11-19 02:37:14 C 22 03 32.94 -11 21 35.6 V G96
2020-11-19 02:42:51 C 22 03 33.57 -11 21 32.8 V G96
2020-11-19 02:44:52 C 22 03 33.81 -11 21 31.7 V G96
2020-11-19 02:50:30 C 22 03 34.45 -11 21 29.2 V G96
2020-11-19 02:52:31 C 22 03 34.69 -11 21 28.1 V G96
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)