494658 (2000 UG11)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5718226892 ± 1.82e-08
Semi-major axis (a)1.9293323492 AU ± 1.18e-09
Inclination (i)8.91113778° ± 3.80e-06
Long. of Asc. Node (Ω)223.88950530° ± 1.47e-06
Arg. of Perihelion (ω)240.90955313° ± 5.91e-06
Mean Anomaly (M)109.46226180° ± 3.86e-06
Mean Motion (n)0.3677915159°/day ± 3.36e-10
Perihelion dist (q)0.82609634 AU ± 3.50e-08
Aphelion dist (Q)3.03256836 AU ± 3.51e-08
Orbital Period2.67985052 yr ± 2.45e-09
Physical Parameters
H (abs. magnitude)20.71
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.438″
Uncertainty0
Orbit TypeApollo
MOID0.009041 AU
Observations Used441
Radar Obs Used4
Oppositions1
Arc Total2000-2025
First Observation Used2000-10-21
Last Observation Used2025-04-27
Observations (458)
Date Type RA Dec Mag Band Observatory
2000-10-21 07:41:35 C 01 49 56.32 +30 52 21.2 17.9 c 704
2000-10-21 08:01:28 C 01 49 57.29 +30 52 22.9 19.0 c 704
2000-10-21 08:21:28 C 01 49 58.23 +30 52 24.7 18.1 c 704
2000-10-21 08:41:31 C 01 49 59.17 +30 52 26.1 18.8 c 704
2000-10-25 05:12:12 C 01 57 43.37 +30 59 46.9 17.3 c 704
2000-10-25 05:32:53 C 01 57 45.17 +30 59 48.2 18.0 c 704
2000-10-25 05:52:47 C 01 57 46.88 +30 59 49.6 17.3 c 704
2000-10-25 06:12:46 C 01 57 48.61 +30 59 50.6 17.8 c 704
2000-10-25 06:33:40 C 01 57 50.43 +30 59 51.4 17.1 c 704
2000-10-26 03:39:30 C 02 00 19.43 +30 59 39.4 17.1 c 704
2000-10-26 04:02:27 C 02 00 21.90 +30 59 41.3 16.7 c 704
2000-10-26 04:24:23 C 02 00 24.23 +30 59 43.2 16.2 c 704
2000-10-26 04:44:55 C 02 00 26.37 +30 59 44.4 16.5 c 704
2000-10-26 05:07:40 C 02 00 28.69 +30 59 45.0 17.4 c 704
2000-10-26 05:26:56 C 02 00 30.68 +30 59 46.6 16.7 c 704
2000-10-26 05:48:31 C 02 00 32.89 +30 59 46.6 16.4 c 704
2000-10-26 06:08:29 C 02 00 34.97 +30 59 47.3 16.7 c 704
2000-10-26 06:28:38 C 02 00 37.01 +30 59 47.1 16.5 c 704
2000-10-26 06:49:11 C 02 00 39.09 +30 59 46.6 16.4 c 704
2000-10-26 14:32:48 C 02 01 38.90 +30 59 28.3 z 402
2000-10-26 14:34:37 C 02 01 39.10 +30 59 28.2 z 402
2000-10-26 14:36:27 C 02 01 39.29 +30 59 28.1 z 402
2000-10-26 14:38:16 C 02 01 39.48 +30 59 28.2 z 402
2000-10-27 04:24:34 C 02 03 36.28 +30 58 30.4 i 739
2000-10-27 04:26:18 C 02 03 36.59 +30 58 31.5 i 739
2000-10-27 04:30:31 C 02 03 37.10 +30 58 31.6 i 739
2000-10-27 05:13:25 C 02 03 43.55 +30 58 35.8 16.4 c 704
2000-10-27 05:33:42 C 02 03 46.06 +30 58 35.2 16.5 c 704
2000-10-27 05:37:33 C 02 03 47.06 +30 58 35.6 15.9 919
2000-10-27 05:53:57 C 02 03 48.52 +30 58 34.7 16.5 c 704
2000-10-27 06:02:56 C 02 03 50.29 +30 58 35.9 16.4 919
2000-10-27 06:15:40 C 02 03 51.20 +30 58 33.8 17.0 c 704
2000-10-27 06:36:46 C 02 03 53.79 +30 58 32.2 17.2 c 704
2000-10-27 10:57:44 C 02 04 34.25 +30 59 36.8 c 467
2000-10-27 10:58:50 C 02 04 34.33 +30 59 36.1 c 467
2000-10-27 10:59:57 C 02 04 34.54 +30 59 36.4 c 467
2000-10-27 11:01:02 C 02 04 34.67 +30 59 36.6 c 467
2000-10-27 11:02:10 C 02 04 34.78 +30 59 35.9 c 467
2000-10-27 12:51:49 C 02 04 52.83 +30 57 53.2 900
2000-10-27 13:00:19 C 02 04 53.90 +30 57 53.2 900
2000-10-27 13:16:34 C 02 04 54.27 +30 59 19.3 m 428
2000-10-27 13:20:25 C 02 04 54.76 +30 59 19.7 m 428
2000-10-27 13:24:02 C 02 04 55.25 +30 59 18.9 m 428
2000-10-27 13:27:31 C 02 04 55.73 +30 59 18.2 m 428
2000-10-27 14:58:55 C 02 05 09.50 +30 57 43.7 z 903
2000-10-27 15:07:56 C 02 05 10.69 +30 57 42.3 z 903
2000-10-27 15:13:39 C 02 05 11.44 +30 57 42.0 z 903
2000-10-27 20:17:33 C 02 06 04.32 +30 56 40.7 151
2000-10-27 20:20:39 C 02 06 04.78 +30 56 40.8 151
2000-10-27 20:24:31 C 02 06 05.34 +30 56 40.7 151
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2000-10-31 03:20:00 224099 1 Hz 2380 -1 -1
2000-11-01 03:45:00 58055821 8 us 2380 -1 -1
2000-11-04 05:10:00 34430726.2 0.8 us 2380 -1 -1
2000-11-06 05:16:00 21156876.1 2 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)