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
2020-11-19 02:58:09 C 22 03 35.32 -11 21 25.2 V G96
2020-11-19 03:00:09 C 22 03 35.55 -11 21 24.1 V G96
2020-11-26 03:00:11 C 22 22 24.20 -09 58 34.2 V G96
2020-11-26 03:07:49 C 22 22 24.98 -09 58 31.2 V G96
2020-11-26 03:15:27 C 22 22 25.79 -09 58 26.5 V G96
2020-11-26 03:23:04 C 22 22 26.64 -09 58 22.5 V G96
2020-12-15 05:02:00 C 23 08 56.102 -06 04 50.41 U F51
2020-12-15 05:18:57 C 23 08 57.694 -06 04 41.75 U F51
2020-12-15 05:35:51 C 23 08 59.280 -06 04 33.06 U F51
2020-12-15 05:52:45 C 23 09 00.874 -06 04 24.31 U F51
2021-01-06 05:42:19 C 23 56 44.880 -01 33 20.74 U F51
2021-01-06 06:00:37 C 23 56 46.437 -01 33 11.53 U F51
2021-01-06 06:18:57 C 23 56 47.998 -01 33 02.20 U F51
2021-01-11 05:35:01 C 00 06 59.357 -00 32 49.87 U F51
2021-01-11 05:51:14 C 00 07 00.718 -00 32 41.60 U F51
2021-01-11 06:07:29 C 00 07 02.092 -00 32 33.63 U F51
2022-01-22 03:34:41 C 06 08 16.11 +17 31 36.8 u H21
2022-01-22 03:47:55 C 06 08 15.62 +17 31 37.5 u H21
2022-01-22 04:01:19 C 06 08 15.10 +17 31 38.4 u H21
2023-01-22 14:33:30 C 12 01 15.500 -03 44 28.83 U F52
2023-01-22 14:51:51 C 12 01 15.691 -03 44 30.46 U F52
2023-01-22 15:10:11 C 12 01 15.885 -03 44 32.04 U F52
2023-02-27 18:39:29 C 11 51 49.40 -02 35 16.9 V D29
2023-02-27 18:42:01 C 11 51 49.30 -02 35 16.4 V D29
2023-02-27 18:59:50 C 11 51 48.62 -02 35 11.1 V D29
2023-02-27 19:02:23 C 11 51 48.54 -02 35 10.8 V D29
2023-02-27 19:20:12 C 11 51 47.84 -02 35 05.4 V D29
2023-02-27 19:22:45 C 11 51 47.76 -02 35 04.2 V D29
2023-03-03 08:21:37 C 11 48 32.281 -02 09 28.73 V 703
2023-03-03 08:29:14 C 11 48 32.015 -02 09 26.35 V 703
2023-03-03 08:36:51 C 11 48 31.648 -02 09 25.27 V 703
2023-03-03 08:44:29 C 11 48 31.331 -02 09 23.18 V 703
2023-03-14 07:26:17 C 11 36 16.009 -00 30 04.54 V G96
2023-03-14 07:34:17 C 11 36 15.581 -00 30 01.22 V G96
2023-03-14 07:42:18 C 11 36 15.149 -00 29 57.73 V G96
2023-03-14 07:50:19 C 11 36 14.717 -00 29 54.28 V G96
2023-03-15 04:00:56 C 11 35 11.933 -00 21 01.51 V W68
2023-03-15 04:03:32 C 11 35 11.820 -00 20 59.96 V W68
2023-03-15 04:08:04 C 11 35 11.527 -00 20 58.24 V W68
2023-03-15 04:15:52 C 11 35 11.146 -00 20 55.75 V W68
2023-03-15 09:25:21 C 11 34 54.996 -00 18 47.70 U F51
2023-03-15 09:42:14 C 11 34 54.076 -00 18 40.44 U F51
2023-03-15 09:59:06 C 11 34 53.155 -00 18 33.02 U F51
2023-03-15 10:16:01 C 11 34 52.224 -00 18 25.63 U F51
2023-03-18 13:29:32 C 11 30 51.977 +00 15 24.62 V P07
2023-03-18 15:24:26 C 11 30 45.526 +00 16 17.83 V P07
2023-03-18 16:29:51 C 11 30 41.779 +00 16 47.42 V P07
2023-03-18 17:37:43 C 11 30 37.939 +00 17 19.07 V P07
2023-03-19 03:34:52 C 11 30 05.902 +00 21 54.90 V W68
2023-03-19 03:37:28 C 11 30 05.748 +00 21 55.84 V W68
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)