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
2017-04-12 07:31:07 C 15 20 46.05 -14 21 18.8 u H21
2017-04-12 07:34:53 C 15 20 46.20 -14 21 17.6 u H21
2017-04-16 13:24:29 C 15 24 31.50 -13 44 31.3 L T05
2017-04-16 13:45:28 C 15 24 32.20 -13 44 24.0 L T05
2017-04-16 14:28:15 C 15 24 33.48 -13 44 06.0 L T05
2017-04-16 15:00:38 C 15 24 34.53 -13 43 52.6 L T05
2017-04-18 16:30:58 C 15 26 19.66 -13 22 59.8 q Q60
2017-04-18 16:40:23 C 15 26 19.93 -13 22 54.7 q Q60
2017-04-18 16:49:41 C 15 26 20.24 -13 22 50.5 q Q60
2017-04-20 09:15:28 C 15 27 43.46 -13 04 57.1 q 703
2017-04-20 09:23:11 C 15 27 43.67 -13 04 53.5 q 703
2017-04-20 09:30:55 C 15 27 43.90 -13 04 49.8 q 703
2017-04-20 09:38:38 C 15 27 44.12 -13 04 46.1 q 703
2017-04-20 14:00:35 C 15 27 52.45 -13 02 39.8 L T05
2017-04-20 14:19:26 C 15 27 53.01 -13 02 30.8 L T05
2017-04-20 14:37:39 C 15 27 53.52 -13 02 22.2 L T05
2017-04-20 14:56:32 C 15 27 54.11 -13 02 12.9 L T05
2017-04-24 09:10:54 C 15 30 52.21 -12 16 30.1 q 703
2017-04-24 09:18:38 C 15 30 52.41 -12 16 25.8 q 703
2017-04-24 09:26:21 C 15 30 52.61 -12 16 21.5 q 703
2017-04-24 09:34:04 C 15 30 52.82 -12 16 17.3 q 703
2017-04-29 16:36:22 C 15 34 49.40 -11 00 25.1 q D29
2017-04-29 16:56:44 C 15 34 49.89 -11 00 11.9 q D29
2017-04-29 17:17:07 C 15 34 50.38 -10 59 58.6 q D29
2017-05-02 08:59:09 C 15 36 45.13 -10 16 46.1 q 703
2017-05-02 09:06:54 C 15 36 45.31 -10 16 40.7 q 703
2017-05-02 09:20:10 C 15 36 45.63 -10 16 31.2 q 703
2017-05-02 09:27:51 C 15 36 45.81 -10 16 25.9 q 703
2017-05-02 09:54:18 C 15 36 46.44 -10 16 07.0 q G96
2017-05-02 10:00:24 C 15 36 46.58 -10 16 02.6 q G96
2017-05-02 10:06:29 C 15 36 46.72 -10 15 58.2 q G96
2017-05-02 10:12:34 C 15 36 46.87 -10 15 53.9 q G96
2017-05-03 12:17:54 C 15 37 34.03 -09 57 06.5 L T05
2017-05-03 12:44:00 C 15 37 34.62 -09 56 47.2 L T05
2017-05-03 13:34:39 C 15 37 35.80 -09 56 10.0 L T05
2017-05-03 13:55:43 C 15 37 36.31 -09 55 54.2 L T05
2017-05-05 05:37:09 C 15 38 49.91 -09 26 20.6 q 703
2017-05-05 05:44:53 C 15 38 50.10 -09 26 14.8 q 703
2017-05-05 05:52:38 C 15 38 50.29 -09 26 08.6 q 703
2017-05-05 06:00:22 C 15 38 50.50 -09 26 02.4 q 703
2017-05-08 07:25:35 C 15 41 03.10 -08 27 42.6 u H21
2017-05-08 07:27:39 C 15 41 03.14 -08 27 40.9 u H21
2017-05-08 07:29:43 C 15 41 03.19 -08 27 39.3 u H21
2017-05-08 07:31:47 C 15 41 03.24 -08 27 37.5 u H21
2017-05-08 07:33:51 C 15 41 03.29 -08 27 35.8 u H21
2017-05-08 07:35:55 C 15 41 03.34 -08 27 33.9 u H21
2017-05-08 07:37:59 C 15 41 03.40 -08 27 32.3 u H21
2017-05-08 07:40:04 C 15 41 03.45 -08 27 30.4 u H21
2017-05-08 07:42:08 C 15 41 03.50 -08 27 28.7 u H21
2017-05-08 07:44:12 C 15 41 03.55 -08 27 27.3 u H21
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)