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 04:18:46 C 03 55 53.95 +25 27 39.9 i 726
2000-11-05 04:21:17 C 03 55 58.03 +25 27 20.5 i 726
2000-11-05 04:23:46 C 03 56 02.10 +25 27 00.8 i 726
2000-11-05 04:26:17 C 03 56 06.20 +25 26 41.5 i 726
2000-11-05 04:28:47 C 03 56 10.24 +25 26 21.4 i 726
2000-11-05 04:31:16 C 03 56 14.34 +25 26 01.5 i 726
2000-11-05 04:33:47 C 03 56 18.42 +25 25 42.1 i 726
2000-11-05 05:41:54 C 03 58 18.56 +25 17 07.2 c 670
2000-11-05 06:29:31 C 03 59 30.32 +25 10 32.3 i 649
2000-11-05 06:30:34 C 03 59 32.10 +25 10 23.2 i 649
2000-11-05 06:31:34 C 03 59 33.77 +25 10 14.6 i 649
2000-11-05 06:32:36 C 03 59 35.51 +25 10 05.7 i 649
2000-11-05 06:33:41 C 03 59 37.31 +25 09 56.3 i 649
2000-11-05 07:33:53 C 04 01 26.89 +25 01 27.6 c 670
2000-11-05 07:38:47 C 04 01 31.02 +25 00 52.9 14.3 c 704
2000-11-05 07:58:35 C 04 02 04.58 +24 57 56.1 c 704
2000-11-05 08:18:29 C 04 02 38.77 +24 54 56.0 c 704
2000-11-05 08:40:51 C 04 03 17.33 +24 51 30.1 c 704
2000-11-05 09:38:28 C 04 05 02.32 +24 42 29.1 c 670
2000-11-05 19:28:41 C 04 25 18.04 +22 51 04.6 611
2000-11-05 19:29:33 C 04 25 19.99 +22 50 53.5 611
2000-11-05 19:30:28 C 04 25 21.99 +22 50 42.3 611
2000-11-05 19:43:02 C 04 25 49.72 +22 48 04.8 611
2000-11-05 19:44:02 C 04 25 51.93 +22 47 52.7 611
2000-11-05 19:45:02 C 04 25 54.13 +22 47 40.5 611
2000-11-05 19:46:02 C 04 25 56.35 +22 47 28.1 611
2000-11-05 19:47:02 C 04 25 58.56 +22 47 15.5 611
2000-11-05 19:48:02 C 04 26 00.76 +22 47 02.9 611
2000-11-05 19:49:02 C 04 26 02.97 +22 46 50.5 611
2000-11-05 19:50:02 C 04 26 05.20 +22 46 37.7 611
2000-11-05 19:51:02 C 04 26 07.33 +22 46 26.2 611
2000-11-05 19:52:02 C 04 26 09.61 +22 46 12.8 611
2000-11-05 19:53:02 C 04 26 11.84 +22 46 00.0 611
2000-11-05 19:54:02 C 04 26 14.04 +22 45 47.5 611
2000-11-05 19:55:02 C 04 26 16.27 +22 45 34.4 611
2000-11-05 19:56:02 C 04 26 18.50 +22 45 22.0 611
2000-11-05 20:45:44 C 04 28 09.28 +22 34 51.5 z 153
2000-11-05 21:01:20 C 04 28 44.22 +22 31 29.0 z 153
2000-11-05 21:16:45 C 04 29 19.18 +22 28 12.7 151
2000-11-05 21:17:28 C 04 29 20.79 +22 28 03.2 151
2000-11-05 21:18:32 C 04 29 23.22 +22 27 48.9 151
2000-11-05 21:19:39 C 04 29 25.69 +22 27 34.5 151
2000-11-05 21:20:42 C 04 29 28.07 +22 27 20.3 151
2000-11-05 21:24:58 C 04 29 37.67 +22 26 23.8 151
2000-11-05 21:26:03 C 04 29 40.14 +22 26 09.3 151
2000-11-05 21:27:10 C 04 29 40.52 +22 25 41.9 c 639
2000-11-05 21:28:22 C 04 29 45.32 +22 25 38.6 151
2000-11-05 21:29:43 C 04 29 48.28 +22 25 21.2 151
2000-11-05 21:30:52 C 04 29 50.91 +22 25 05.7 151
2000-11-05 21:34:05 C 04 29 56.20 +22 24 10.0 c 639
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)