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
2009-10-19 18:57:40 C 00 01 23.62 +13 00 40.7 r 215
2009-10-25 01:50:03 C 23 26 28.90 +10 14 32.9 o H55
2009-10-25 01:51:53 C 23 26 28.47 +10 14 30.5 o H55
2009-10-25 01:57:25 C 23 26 27.24 +10 14 23.2 o H55
2009-11-08 06:34:05 C 22 49 15.87 +06 35 38.8 o 291
2009-11-08 06:39:28 C 22 49 15.54 +06 35 37.7 o 291
2009-11-08 06:45:11 C 22 49 15.28 +06 35 34.8 o 291
2009-11-09 04:54:08 C 22 48 20.59 +06 28 38.9 o 291
2009-11-09 04:59:36 C 22 48 20.30 +06 28 37.3 o 291
2009-11-09 05:05:02 C 22 48 20.03 +06 28 35.4 o 291
2016-09-27 14:10:48 S 06 12 15.86 -14 50 23.9 L C51
2016-09-30 02:50:59 C 03 24 59.248 -18 42 28.61 U Z58
2016-09-30 02:52:02 C 03 24 55.665 -18 42 27.24 U Z58
2016-09-30 02:53:36 C 03 24 50.547 -18 42 25.92 U Z58
2016-09-30 02:54:30 C 03 24 47.485 -18 42 25.63 U Z58
2016-09-30 02:55:34 C 03 24 43.913 -18 42 24.42 U Z58
2016-10-02 23:11:45 C 00 38 21.490 -13 20 06.16 t Z58
2016-10-02 23:12:28 C 00 38 20.374 -13 20 02.68 t Z58
2016-10-02 23:13:10 C 00 38 19.178 -13 19 58.65 t Z58
2016-10-04 05:47:54 C 23 59 28.45 -10 51 57.0 q 703
2016-10-04 05:56:33 C 23 59 18.91 -10 51 20.8 q 703
2016-10-04 06:05:11 C 23 59 09.39 -10 50 44.8 q 703
2016-10-04 06:51:06 C 23 58 19.12 -10 47 32.9 q 703
2016-10-04 06:52:03 C 23 58 18.10 -10 47 29.0 q 703
2016-10-04 06:52:59 C 23 58 17.06 -10 47 25.0 q 703
2016-10-04 06:53:56 C 23 58 16.03 -10 47 21.3 q 703
2016-10-04 08:26:57 C 23 56 36.21 -10 40 50.3 q 703
2016-10-04 08:27:53 C 23 56 35.21 -10 40 46.7 q 703
2016-10-04 08:28:49 C 23 56 34.21 -10 40 42.6 q 703
2016-10-04 08:29:46 C 23 56 33.22 -10 40 38.4 q 703
2016-10-04 08:50:21 C 23 56 11.60 -10 39 11.9 q I52
2016-10-04 08:57:38 C 23 56 02.79 -10 38 41.0 q H06
2016-10-04 08:58:26 C 23 56 01.99 -10 38 37.3 q H06
2016-10-04 08:58:41 C 23 56 02.90 -10 38 36.9 q I52
2016-10-04 09:00:37 C 23 56 00.91 -10 38 28.9 q I52
2016-10-04 19:08:05 C 23 47 03.01 -09 59 48.4 q 587
2016-10-04 19:08:49 C 23 47 02.36 -09 59 45.7 q 587
2016-10-04 19:09:46 C 23 47 01.51 -09 59 42.2 q 587
2016-10-04 19:28:32 C 23 46 43.71 -09 58 36.4 S 595
2016-10-04 19:30:46 C 23 46 41.71 -09 58 28.5 S 595
2016-10-04 19:33:01 C 23 46 39.68 -09 58 20.5 S 595
2016-10-04 19:36:29 C 23 46 37.98 -09 58 17.7 q J95
2016-10-04 19:37:37 C 23 46 37.02 -09 58 14.1 q J95
2016-10-04 19:43:17 C 23 46 30.68 -09 57 43.3 o K51
2016-10-04 19:44:55 C 23 46 29.18 -09 57 37.5 o K51
2016-10-04 19:45:22 C 23 46 27.84 -09 57 51.3 q G34
2016-10-04 19:46:35 C 23 46 27.69 -09 57 31.4 o K51
2016-10-04 19:46:46 C 23 46 26.48 -09 57 45.2 q G34
2016-10-04 19:48:06 C 23 46 25.31 -09 57 39.2 q G34
2016-10-04 19:51:12 C 23 46 22.66 -09 57 29.9 q G34
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)