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
2020-01-29 11:30:24 C 12 50 30.65 -08 05 14.7 V G96
2020-01-29 11:37:46 C 12 50 30.86 -08 05 15.9 V G96
2020-02-25 12:12:38 C 13 02 11.67 -08 52 44.8 V T08
2020-02-25 12:16:39 C 13 02 11.70 -08 52 43.2 V T08
2020-02-25 12:29:23 C 13 02 11.68 -08 52 43.8 V T08
2020-02-25 12:51:47 C 13 02 11.65 -08 52 42.2 V T08
2020-03-14 16:45:12 C 12 57 11.45 -07 40 00.3 q D29
2020-03-14 17:05:34 C 12 57 10.88 -07 39 54.5 q D29
2020-03-14 17:25:55 C 12 57 10.31 -07 39 48.7 q D29
2020-03-16 09:10:29 C 12 56 06.08 -07 27 50.5 V G96
2020-03-16 09:20:09 C 12 56 05.79 -07 27 47.5 V G96
2020-03-16 09:28:22 C 12 56 05.53 -07 27 44.9 V G96
2020-03-16 09:38:00 C 12 56 05.24 -07 27 42.0 V G96
2020-03-17 01:23:23 C 12 55 38.12 -07 22 43.4 V A16
2020-03-17 01:39:59 C 12 55 37.60 -07 22 37.6 V A16
2020-03-17 02:05:11 C 12 55 36.84 -07 22 29.9 V A16
2020-03-17 02:47:21 C 12 55 35.49 -07 22 16.0 V A16
2020-03-19 16:20:42 C 12 53 40.25 -07 01 11.2 q D29
2020-03-19 16:41:05 C 12 53 39.52 -07 01 03.9 q D29
2020-03-19 17:01:26 C 12 53 38.78 -07 00 56.5 q D29
2020-03-21 11:39:51 C 12 52 10.12 -06 44 59.2 V T05
2020-03-21 12:05:45 C 12 52 09.12 -06 44 49.6 V T05
2020-03-21 12:15:11 C 12 52 08.74 -06 44 46.2 V T05
2020-03-22 12:07:33 C 12 51 16.24 -06 35 22.7 V T05
2020-03-22 12:12:16 C 12 51 16.00 -06 35 20.5 V T05
2020-03-22 12:19:57 C 12 51 15.78 -06 35 18.0 V T05
2020-03-22 12:35:22 C 12 51 15.09 -06 35 12.2 V T05
2020-03-26 09:29:48 C 12 47 32.503 -05 55 33.95 U F51
2020-03-26 09:48:19 C 12 47 31.662 -05 55 25.60 U F51
2020-03-28 00:18:17 C 12 45 50.92 -05 37 41.3 V A16
2020-03-28 00:44:02 C 12 45 49.71 -05 37 29.1 V A16
2020-03-28 01:09:50 C 12 45 48.50 -05 37 16.8 V A16
2020-03-28 11:30:07 C 12 45 20.79 -05 32 17.9 V T08
2020-03-28 11:34:45 C 12 45 20.57 -05 32 15.6 V T08
2020-03-28 11:43:31 C 12 45 20.14 -05 32 11.4 V T08
2020-03-28 11:58:52 C 12 45 19.37 -05 32 04.7 V T08
2020-04-02 01:18:55 C 12 40 09.42 -04 37 03.2 V A16
2020-04-02 01:51:55 C 12 40 07.73 -04 36 45.3 V A16
2020-04-02 02:08:21 C 12 40 06.88 -04 36 36.9 V A16
2020-04-02 06:44:54 C 12 39 53.78 -04 34 08.9 V 703
2020-04-02 06:52:33 C 12 39 53.33 -04 34 04.4 V 703
2020-04-02 07:00:14 C 12 39 52.96 -04 34 00.5 V 703
2020-04-02 07:07:52 C 12 39 52.54 -04 33 56.4 V 703
2020-04-02 19:16:03 C 12 39 15.97 -04 27 31.4 o C94
2020-04-02 19:21:26 C 12 39 15.69 -04 27 29.1 o C94
2020-04-04 04:10:51 C 12 37 37.52 -04 09 40.6 V 703
2020-04-04 04:18:47 C 12 37 37.12 -04 09 35.9 V 703
2020-04-04 04:26:43 C 12 37 36.65 -04 09 32.0 V 703
2020-04-04 04:34:39 C 12 37 36.21 -04 09 26.9 V 703
2020-04-04 20:39:36 C 12 36 46.99 -04 00 39.7 V B67
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)