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
2000-11-05 21:35:12 C 04 30 00.06 +22 23 56.7 611
2000-11-05 21:36:02 C 04 30 01.97 +22 23 45.5 611
2000-11-05 21:37:02 C 04 30 04.20 +22 23 32.2 611
2000-11-05 21:41:31 C 04 30 12.92 +22 22 30.1 c 639
2000-11-05 21:49:39 C 04 30 31.26 +22 20 41.0 c 639
2000-11-05 21:56:40 C 04 30 47.11 +22 19 05.8 c 639
2000-11-05 22:01:18 C 04 30 59.17 +22 18 11.1 z 153
2000-11-05 22:06:48 C 04 31 10.12 +22 16 48.0 c 639
2000-11-05 22:18:07 C 04 31 35.76 +22 14 13.1 c 639
2000-11-05 23:01:18 C 04 33 16.02 +22 04 23.2 z 153
2000-11-06 00:01:17 C 04 35 34.82 +21 50 02.8 z 153
2000-11-06 00:40:29 C 04 37 05.09 +21 40 22.6 c 046
2000-11-06 00:42:04 C 04 37 08.84 +21 39 58.8 c 046
2000-11-06 00:42:41 C 04 37 10.27 +21 39 49.5 c 046
2000-11-06 00:43:24 C 04 37 11.98 +21 39 38.7 c 046
2000-11-06 17:16:04 C 05 24 02.69 +16 19 10.3 z 402
2000-11-06 17:16:34 C 05 24 04.22 +16 18 58.4 z 402
2000-11-06 17:17:02 C 05 24 05.75 +16 18 46.5 z 402
2000-11-07 08:30:57 C 06 19 24.17 +08 45 52.6 c 670
2000-11-07 10:22:27 C 06 26 35.46 +07 40 32.9 c 670
2000-11-07 12:27:29 C 06 34 45.35 +06 24 50.9 c 670
2000-11-08 08:04:23 C 07 57 28.01 -06 12 25.1 16.0 z 919
2000-11-08 08:09:02 C 07 57 46.67 -06 15 16.4 14.8 z 919
2000-11-08 08:09:50 C 07 57 50.18 -06 15 48.8 15.0 z 919
2000-11-08 08:10:37 C 07 57 53.24 -06 16 17.9 15.3 z 919
2000-11-08 08:11:18 C 07 57 55.83 -06 16 43.8 14.6 z 919
2000-11-08 08:19:20 C 07 58 28.49 -06 21 42.2 14.6 z 919
2000-11-08 08:20:35 C 07 58 33.59 -06 22 28.9 15.5 z 919
2000-11-08 11:14:04 C 08 10 04.02 -08 08 39.1 14.9 z 919
2000-11-08 11:17:31 C 08 10 17.31 -08 10 42.7 15.0 z 919
2000-11-08 11:19:39 C 08 10 25.79 -08 11 59.5 14.7 z 919
2000-11-09 04:02:12 C 09 12 05.82 -16 41 50.8 c 046
2000-11-09 04:02:32 C 09 12 06.88 -16 41 59.1 c 046
2000-11-09 04:03:35 C 09 12 10.23 -16 42 25.6 c 046
2000-11-09 04:04:07 C 09 12 11.95 -16 42 38.7 c 046
2000-11-09 04:12:19 C 09 12 38.31 -16 46 01.0 c 046
2000-11-09 04:12:33 C 09 12 39.04 -16 46 07.4 c 046
2000-11-09 04:12:48 C 09 12 39.88 -16 46 13.7 c 046
2000-11-09 04:13:03 C 09 12 40.64 -16 46 19.0 c 046
2000-11-09 04:13:18 C 09 12 41.43 -16 46 26.0 c 046
2000-11-09 04:13:33 C 09 12 42.21 -16 46 31.8 c 046
2000-11-09 04:13:47 C 09 12 43.06 -16 46 37.3 c 046
2000-11-09 04:14:02 C 09 12 43.79 -16 46 43.6 c 046
2000-11-09 04:14:17 C 09 12 44.57 -16 46 49.7 c 046
2000-11-09 04:14:31 C 09 12 45.35 -16 46 56.0 c 046
2000-11-09 11:27:03 C 09 35 21.14 -19 25 31.4 16.8 z 919
2000-11-09 11:27:50 C 09 35 23.51 -19 25 48.5 16.1 z 919
2008-09-03 05:02:15 C 00 07 35.16 +18 44 54.2 o 291
2008-09-03 05:10:17 C 00 07 34.93 +18 44 55.5 o 291
2008-09-03 05:18:31 C 00 07 34.66 +18 44 56.3 o 291
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)