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
2000-11-03 03:46:11 C 03 00 18.72 +29 06 13.0 13.9 c 924
2000-11-03 06:07:35 C 03 02 11.62 +29 01 13.2 c 670
2000-11-03 08:04:05 C 03 03 38.48 +28 56 34.4 13.2 c 670
2000-11-03 10:05:27 C 03 05 11.61 +28 51 07.1 c 670
2000-11-03 14:40:44 C 03 09 19.16 +28 38 22.8 360
2000-11-03 14:42:30 C 03 09 20.61 +28 38 17.8 360
2000-11-03 14:44:00 C 03 09 21.87 +28 38 13.3 360
2000-11-04 02:12:46 C 03 20 46.64 +27 57 04.2 i 726
2000-11-04 02:17:46 C 03 20 51.91 +27 56 46.0 i 726
2000-11-04 02:20:17 C 03 20 54.53 +27 56 37.1 i 726
2000-11-04 02:22:46 C 03 20 57.16 +27 56 27.6 i 726
2000-11-04 02:25:16 C 03 20 59.80 +27 56 18.7 i 726
2000-11-04 02:32:41 C 03 21 07.62 +27 55 51.4 i 726
2000-11-04 02:35:12 C 03 21 10.27 +27 55 41.8 i 726
2000-11-04 02:37:41 C 03 21 12.90 +27 55 32.7 i 726
2000-11-04 02:40:12 C 03 21 15.53 +27 55 23.4 i 726
2000-11-04 02:42:42 C 03 21 18.17 +27 55 14.1 i 726
2000-11-04 02:45:11 C 03 21 20.81 +27 55 04.8 i 726
2000-11-04 03:33:09 C 03 22 11.50 +27 52 03.7 i 726
2000-11-04 03:35:40 C 03 22 14.14 +27 51 54.2 i 726
2000-11-04 03:38:08 C 03 22 16.79 +27 51 44.4 i 726
2000-11-04 03:43:10 C 03 22 22.07 +27 51 25.1 i 726
2000-11-04 03:45:38 C 03 22 24.72 +27 51 15.6 i 726
2000-11-04 14:41:34 C 03 35 28.68 +27 00 14.9 m 349
2000-11-04 14:42:21 C 03 35 29.62 +27 00 10.7 m 349
2000-11-04 14:43:09 C 03 35 30.63 +27 00 06.5 m 349
2000-11-04 14:43:55 C 03 35 31.59 +27 00 02.0 m 349
2000-11-04 20:47:04 C 03 44 06.01 +26 22 23.4 587
2000-11-04 20:59:34 C 03 44 23.83 +26 21 05.4 587
2000-11-04 21:02:34 C 03 44 28.11 +26 20 46.7 587
2000-11-04 23:14:28 C 03 47 37.37 +26 05 47.7 544
2000-11-04 23:20:47 C 03 47 46.90 +26 05 04.6 544
2000-11-04 23:26:53 C 03 47 55.78 +26 04 22.2 544
2000-11-04 23:35:26 C 03 48 08.40 +26 03 24.3 544
2000-11-04 23:39:32 C 03 48 14.54 +26 02 52.5 544
2000-11-04 23:46:31 C 03 48 25.02 +26 02 02.3 544
2000-11-04 23:50:24 C 03 48 30.47 +26 01 35.1 544
2000-11-04 23:52:48 C 03 48 34.18 +26 01 19.3 544
2000-11-05 03:40:44 C 03 54 52.17 +25 32 34.2 i 726
2000-11-05 03:43:13 C 03 54 56.22 +25 32 14.9 i 726
2000-11-05 03:45:44 C 03 55 00.27 +25 31 55.8 i 726
2000-11-05 03:48:14 C 03 55 04.31 +25 31 36.8 i 726
2000-11-05 03:50:43 C 03 55 08.37 +25 31 17.7 i 726
2000-11-05 03:53:13 C 03 55 12.48 +25 30 58.9 i 726
2000-11-05 03:55:42 C 03 55 16.47 +25 30 39.1 i 726
2000-11-05 03:58:13 C 03 55 20.54 +25 30 19.7 i 726
2000-11-05 04:00:42 C 03 55 24.59 +25 30 00.5 i 726
2000-11-05 04:11:16 C 03 55 41.75 +25 28 38.4 i 726
2000-11-05 04:13:47 C 03 55 45.82 +25 28 18.8 i 726
2000-11-05 04:16:16 C 03 55 49.88 +25 27 59.6 i 726
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)