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
2023-12-06 05:17:04 C 21 40 51.785 -12 59 10.63 X F51
2023-12-06 05:25:02 C 21 40 52.848 -12 59 05.96 X F51
2023-12-06 05:33:04 C 21 40 53.920 -12 59 01.58 X F51
2024-01-13 01:44:15 C 23 27 09.864 -03 59 58.96 V G96
2024-01-13 01:51:43 C 23 27 10.710 -03 59 55.00 V G96
2024-01-13 01:59:12 C 23 27 11.444 -03 59 51.29 V G96
2024-01-13 02:06:39 C 23 27 12.254 -03 59 47.51 V G96
2025-01-03 06:44:21 C 06 04 09.260 +17 21 57.46 V G96
2025-01-03 06:51:48 C 06 04 08.936 +17 21 57.02 V G96
2025-01-03 06:59:15 C 06 04 08.605 +17 21 57.38 V G96
2025-01-03 07:06:43 C 06 04 08.195 +17 21 57.10 V G96
2025-12-20 21:25:52 C 11 11 28.370 +01 17 22.61 W O18
2025-12-20 23:01:04 C 11 11 30.644 +01 17 04.33 W O18
2025-12-22 21:27:54 C 11 12 37.167 +01 08 30.20 W O18
2025-12-22 23:03:10 C 11 12 39.263 +01 08 13.10 W O18
2025-12-25 21:17:59 C 11 14 11.677 +00 56 04.67 W O18
2025-12-25 23:09:46 C 11 14 13.896 +00 55 46.04 W O18
2026-01-10 20:17:51 C 11 19 23.581 +00 09 45.54 W O18
2026-01-10 20:19:37 C 11 19 23.591 +00 09 45.41 W O18
2026-01-10 22:53:25 C 11 19 24.286 +00 09 34.84 W O18
2026-01-11 19:21:22 C 11 19 30.813 +00 08 13.29 W O18
2026-01-11 20:13:34 C 11 19 30.981 +00 08 09.90 W O18
2026-01-13 19:28:08 C 11 19 40.963 +00 05 31.75 W O18
2026-01-13 20:20:29 C 11 19 41.025 +00 05 29.37 W O18
2026-01-14 19:14:45 C 11 19 43.598 +00 04 28.12 W O18
2026-01-14 20:06:57 C 11 19 43.602 +00 04 25.79 W O18
2026-01-15 20:01:07 C 11 19 44.536 +00 03 33.22 W O18
2026-01-15 20:53:18 C 11 19 44.478 +00 03 31.72 W O18
2026-01-17 19:10:14 C 11 19 41.510 +00 02 22.99 W O18
2026-01-17 20:55:09 C 11 19 41.145 +00 02 21.16 W O18
2026-01-18 13:10:57 C 11 19 38.494 +00 02 09.40 X F52
2026-01-18 13:27:40 C 11 19 38.409 +00 02 09.18 X F52
2026-01-18 13:44:22 C 11 19 38.345 +00 02 09.03 X F52
2026-01-18 14:01:07 C 11 19 38.253 +00 02 08.95 X F52
2026-01-19 13:08:05 C 11 19 33.071 +00 01 59.94 X F51
2026-01-19 13:50:12 C 11 19 32.839 +00 01 59.88 X F51
2026-01-19 14:07:56 C 11 19 32.725 +00 01 59.94 X F51
2026-01-19 14:25:41 C 11 19 32.625 +00 01 59.88 X F51
2026-01-26 19:38:48 C 11 17 59.625 +00 07 05.89 W O18
2026-01-26 20:26:21 C 11 17 58.929 +00 07 08.98 W O18
2026-02-06 21:11:08 C 11 12 27.484 +00 37 41.54 W O18
2026-02-06 23:23:22 C 11 12 23.612 +00 38 04.17 W O18
2026-02-11 18:44:40 C 11 08 46.442 +01 00 35.19 W O18
2026-02-11 20:27:54 C 11 08 42.720 +01 00 57.77 W O18
2026-02-13 13:02:11 C 11 07 15.887 +01 10 16.06 X F52
2026-02-13 13:18:19 C 11 07 15.251 +01 10 19.91 X F52
2026-02-13 13:34:22 C 11 07 14.641 +01 10 23.80 X F52
2026-02-13 18:26:36 C 11 07 04.095 +01 11 31.66 W O18
2026-02-13 18:39:02 C 11 07 03.419 +01 11 34.20 V D29
2026-02-13 18:59:24 C 11 07 02.761 +01 11 39.79 V D29
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)