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
2000-10-27 20:30:32 C 02 06 06.23 +30 56 40.5 151
2000-10-27 20:37:38 C 02 06 07.27 +30 56 40.3 151
2000-10-27 20:44:00 C 02 06 08.19 +30 56 40.0 151
2000-10-27 20:47:57 C 02 06 08.78 +30 56 39.9 151
2000-10-27 21:10:34 C 02 06 12.07 +30 56 41.3 587
2000-10-27 21:14:34 C 02 06 12.65 +30 56 40.8 587
2000-10-28 17:16:14 C 02 09 48.74 +30 53 02.0 d 557
2000-10-28 17:32:48 C 02 09 51.90 +30 53 01.1 d 557
2000-10-28 17:53:23 C 02 09 55.70 +30 53 00.4 d 557
2000-10-28 18:04:46 C 02 09 57.82 +30 52 59.0 d 557
2000-10-28 18:19:03 C 02 10 00.94 +30 52 58.0 151
2000-10-28 18:21:14 C 02 10 01.37 +30 52 58.1 151
2000-10-28 18:27:19 C 02 10 02.50 +30 52 57.5 151
2000-10-28 18:30:24 C 02 10 03.08 +30 52 57.6 151
2000-10-28 18:33:21 C 02 10 03.59 +30 52 57.2 151
2000-10-28 18:35:08 C 02 10 03.95 +30 52 57.4 151
2000-10-28 19:18:38 C 02 10 11.35 +30 52 54.1 d 557
2000-10-28 19:18:58 C 02 10 11.53 +30 52 55.4 c 046
2000-10-28 19:20:21 C 02 10 11.79 +30 52 55.2 c 046
2000-10-28 19:21:19 C 02 10 11.95 +30 52 55.2 c 046
2000-10-28 19:22:22 C 02 10 12.15 +30 52 55.0 c 046
2000-10-28 19:23:27 C 02 10 12.33 +30 52 54.9 c 046
2000-10-28 19:30:01 C 02 10 13.43 +30 52 53.0 d 557
2000-10-28 20:34:03 C 02 10 24.88 +30 52 45.9 d 557
2000-10-28 20:38:09 C 02 10 25.69 +30 52 43.0 c 639
2000-10-28 20:43:10 C 02 10 26.51 +30 52 44.9 d 557
2000-10-28 21:03:55 C 02 10 30.29 +30 52 39.6 c 639
2000-10-28 21:15:09 C 02 10 32.22 +30 52 38.5 c 639
2000-10-28 21:48:08 C 02 10 38.01 +30 52 33.2 c 639
2000-10-28 22:14:29 C 02 10 42.46 +30 52 32.7 118
2000-10-28 22:17:24 C 02 10 42.97 +30 52 32.0 118
2000-10-29 02:44:55 C 02 11 43.11 +30 52 10.5 m 732
2000-10-29 02:47:38 C 02 11 43.58 +30 52 09.7 m 732
2000-10-29 02:50:22 C 02 11 44.15 +30 52 09.8 m 732
2000-10-29 04:24:52 C 02 12 00.17 +30 51 09.6 i 726
2000-10-29 04:27:21 C 02 12 00.73 +30 51 07.9 i 726
2000-10-29 04:29:52 C 02 12 01.03 +30 51 07.6 i 726
2000-10-29 04:34:52 C 02 12 02.16 +30 51 08.0 i 726
2000-10-29 04:43:01 C 02 12 03.69 +30 51 06.6 i 726
2000-10-29 05:08:09 C 02 12 09.01 +30 51 53.9 m 732
2000-10-29 05:08:12 C 02 12 09.91 +30 51 20.8 16.4 c 704
2000-10-29 05:10:53 C 02 12 09.46 +30 51 53.6 m 732
2000-10-29 05:13:37 C 02 12 09.97 +30 51 52.6 m 732
2000-10-29 05:28:38 C 02 12 13.69 +30 51 17.8 15.4 c 704
2000-10-29 05:51:46 C 02 12 17.95 +30 51 13.5 15.8 c 704
2000-10-29 06:12:02 C 02 12 21.74 +30 51 09.6 15.9 c 704
2000-10-29 06:32:35 C 02 12 25.40 +30 51 04.8 16.1 c 704
2000-10-29 21:46:16 C 02 15 54.96 +30 46 06.8 c 639
2000-10-29 22:05:57 C 02 15 59.26 +30 46 01.2 c 639
2000-10-29 22:27:33 C 02 16 04.09 +30 45 54.0 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)