2009 UG

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3754229145 ± 2.65e-08
Semi-major axis (a)0.7880244090 AU ± 3.34e-10
Inclination (i)5.02035921° ± 2.24e-06
Long. of Asc. Node (Ω)13.69053310° ± 2.33e-06
Arg. of Perihelion (ω)201.89341695° ± 3.69e-06
Mean Anomaly (M)147.13440516° ± 7.23e-06
Mean Motion (n)1.4089733256°/day ± 8.95e-10
Perihelion dist (q)0.49218199 AU ± 2.08e-08
Aphelion dist (Q)1.08386683 AU ± 2.09e-08
Orbital Period0.69953509 yr ± 4.44e-10
NGA Modelr2
A29.28052267e-14 ± 1.03e-15 AU/d²
Physical Parameters
H (abs. magnitude)23.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.275″
Uncertainty0
Orbit TypeAten
MOID0.011753 AU
Observations Used243
Radar Obs Used7
Oppositions6
Arc Total2009-2023
First Observation Used2009-10-16
Last Observation Used2023-10-17
Observations (274)
Date Type RA Dec Mag Band Observatory
2016-10-04 19:51:58 C 23 46 21.76 -09 57 25.8 q G34
2016-10-04 20:00:11 C 23 46 14.46 -09 56 56.7 q G34
2016-10-04 20:02:36 C 23 46 14.23 -09 56 27.4 q C77
2016-10-04 20:04:25 C 23 46 10.57 -09 56 40.6 q G34
2016-10-04 20:05:54 C 23 46 11.28 -09 56 15.3 q C77
2016-10-04 20:08:57 C 23 46 08.52 -09 56 04.4 q C77
2016-10-04 20:11:39 C 23 46 06.06 -09 55 54.8 q C77
2016-10-04 20:12:19 C 23 46 04.81 -09 55 52.4 q 104
2016-10-04 20:12:54 C 23 46 02.93 -09 56 10.0 q G34
2016-10-04 20:14:17 C 23 46 03.03 -09 55 45.5 q 104
2016-10-04 20:14:30 C 23 46 01.53 -09 56 04.0 q G34
2016-10-04 20:15:20 C 23 46 00.72 -09 56 01.4 q G34
2016-10-04 20:15:47 C 23 46 00.38 -09 55 59.5 q G34
2016-10-04 20:16:28 C 23 46 01.05 -09 55 37.3 q 104
2016-10-04 20:33:42 C 23 45 45.44 -09 54 32.4 q 160
2016-10-04 20:37:05 C 23 45 42.35 -09 54 20.3 q 160
2016-10-04 20:40:35 C 23 45 39.25 -09 54 08.6 q 160
2016-10-04 20:58:18 C 23 45 27.02 -09 52 50.4 q Z58
2016-10-04 21:28:20 C 23 45 00.01 -09 51 05.2 q Z58
2016-10-04 21:43:20 C 23 44 46.64 -09 50 12.5 q Z58
2016-10-04 22:44:10 C 23 43 51.26 -09 47 05.7 q Z80
2016-10-04 22:45:25 C 23 43 48.04 -09 46 46.3 q 204
2016-10-04 22:48:38 C 23 43 45.21 -09 46 34.8 q 204
2016-10-04 22:50:31 C 23 43 43.56 -09 46 28.0 q 204
2016-10-04 22:52:24 C 23 43 44.03 -09 46 36.5 q Z80
2016-10-04 22:52:30 C 23 43 41.79 -09 46 20.8 q 204
2016-10-04 22:54:36 C 23 43 39.94 -09 46 13.2 q 204
2016-10-04 23:01:16 C 23 43 36.28 -09 46 04.7 q Z80
2016-10-04 23:09:13 C 23 43 29.35 -09 45 36.0 q Z80
2016-10-04 23:16:29 C 23 43 23.03 -09 45 10.1 q Z80
2016-10-05 03:56:56 C 23 39 43.81 -09 28 18.3 u H21
2016-10-05 04:02:02 C 23 39 39.55 -09 28 01.0 u H21
2016-10-05 04:04:43 C 23 39 37.32 -09 27 52.0 u H21
2016-10-05 04:07:22 C 23 39 35.09 -09 27 43.0 u H21
2016-10-05 04:09:57 C 23 39 32.94 -09 27 34.3 u H21
2016-10-05 04:12:57 C 23 39 30.45 -09 27 24.1 u H21
2016-10-06 04:42:02 C 23 23 06.77 -08 12 51.6 q H45
2016-10-06 04:42:55 C 23 23 06.21 -08 12 49.4 q H45
2016-10-06 04:43:45 C 23 23 05.67 -08 12 46.9 q H45
2016-10-06 04:44:32 C 23 23 05.18 -08 12 44.8 q H45
2016-10-06 04:45:25 C 23 23 04.61 -08 12 42.0 q H45
2016-10-06 04:46:16 C 23 23 04.08 -08 12 40.2 q H45
2016-10-06 04:47:40 C 23 23 03.18 -08 12 36.1 q H45
2016-10-06 04:48:45 C 23 23 02.47 -08 12 33.5 q H45
2016-10-06 09:55:02 C 23 20 06.71 -07 58 16.5 L T05
2016-10-06 10:17:13 C 23 19 53.28 -07 57 19.0 L T05
2016-10-06 10:39:37 C 23 19 39.77 -07 56 20.1 L T05
2016-10-06 11:02:04 C 23 19 26.42 -07 55 21.3 L T05
2016-10-07 05:32:26 C 23 10 26.96 -07 12 40.0 q H45
2016-10-07 05:33:19 C 23 10 26.54 -07 12 38.0 q H45
Radar Observations (7)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2023-09-29 12:00:00 171244.022 1 Hz 8560 -14 -14
2023-09-29 12:20:00 167299.973 0.2 Hz 8560 -14 -14
2023-09-29 12:40:00 16531492.97 2 us 8560 -14 -14
2023-10-01 08:00:00 16156809.768 0.25 us 8560 -14 -14
2023-10-02 07:20:00 -250346.759 0.4 Hz 8560 -14 -14
2023-10-02 07:40:00 18116049.53 0.375 us 8560 -14 -14
2023-10-03 07:20:00 21166517.193 0.25 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)