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
2000-10-29 22:46:17 C 02 16 08.29 +30 45 48.0 c 639
2000-10-30 00:51:08 C 02 16 46.09 +30 44 52.5 i 739
2000-10-30 01:03:49 C 02 16 49.21 +30 44 50.4 i 739
2000-10-30 01:05:19 C 02 16 39.37 +30 44 54.7 d 557
2000-10-30 01:15:48 C 02 16 52.14 +30 44 48.1 i 739
2000-10-30 01:55:29 C 02 16 51.06 +30 44 31.3 d 557
2000-10-30 02:37:53 C 02 17 01.15 +30 44 10.3 d 557
2000-10-30 03:25:43 C 02 17 12.84 +30 43 45.4 d 557
2000-10-30 04:01:51 C 02 17 32.30 +30 44 55.5 m 732
2000-10-30 04:04:39 C 02 17 32.91 +30 44 54.6 m 732
2000-10-30 04:07:21 C 02 17 33.51 +30 44 54.2 m 732
2000-10-30 07:21:46 C 02 18 18.89 +30 43 14.0 15.9 c 704
2000-10-30 07:42:38 C 02 18 23.75 +30 43 05.0 15.9 c 704
2000-10-30 08:03:14 C 02 18 28.59 +30 42 55.7 16.6 c 704
2000-10-30 08:23:21 C 02 18 33.34 +30 42 46.5 17.9 c 704
2000-10-30 08:45:10 C 02 18 38.55 +30 42 35.1 17.1 c 704
2000-10-30 09:55:01 C 02 18 55.98 +30 41 35.1 z 918
2000-10-30 10:05:06 C 02 18 58.53 +30 41 29.5 z 918
2000-10-30 10:08:07 C 02 18 59.31 +30 41 27.7 z 918
2000-10-30 10:11:33 C 02 19 00.20 +30 41 25.9 z 918
2000-10-31 01:22:09 C 02 23 40.39 +30 34 08.8 i 739
2000-10-31 01:25:58 C 02 23 41.57 +30 34 07.5 i 739
2000-10-31 01:30:59 C 02 23 43.10 +30 34 06.1 i 739
2000-10-31 03:36:36 C 02 24 22.10 +30 32 41.5 642
2000-10-31 03:40:46 C 02 24 23.45 +30 32 39.7 642
2000-10-31 03:44:38 C 02 24 24.48 +30 32 39.5 642
2000-10-31 03:50:18 C 02 24 26.40 +30 32 36.4 642
2000-10-31 03:52:13 C 02 24 27.04 +30 32 36.2 642
2000-10-31 06:13:07 C 02 25 10.27 +30 32 06.0 c 670
2000-10-31 06:38:17 C 02 25 15.92 +30 31 56.4 15.7 c 704
2000-10-31 06:58:20 C 02 25 21.85 +30 31 44.5 16.0 c 704
2000-10-31 07:19:45 C 02 25 28.20 +30 31 31.5 16.2 c 704
2000-10-31 07:39:45 C 02 25 33.86 +30 31 18.1 16.4 c 704
2000-10-31 07:59:46 C 02 25 40.16 +30 31 05.1 16.2 c 704
2000-10-31 10:28:54 C 02 26 27.77 +30 29 19.4 c 670
2000-11-01 03:28:09 C 02 33 08.05 +30 16 30.8 853
2000-11-01 03:29:19 C 02 33 08.49 +30 16 30.1 853
2000-11-01 03:29:55 C 02 33 08.73 +30 16 29.7 853
2000-11-01 03:31:00 C 02 33 09.16 +30 16 29.1 853
2000-11-01 04:53:25 C 02 33 41.58 +30 15 33.7 919
2000-11-01 04:59:27 C 02 33 43.91 +30 15 28.6 919
2000-11-01 05:02:11 C 02 33 44.95 +30 15 26.9 919
2000-11-01 06:34:43 C 02 34 21.79 +30 14 06.1 c 670
2000-11-01 10:44:55 C 02 36 01.91 +30 09 51.4 c 670
2000-11-01 19:09:41 C 02 40 15.48 +29 59 56.3 z 153
2000-11-01 19:24:04 C 02 40 22.30 +29 59 41.1 z 153
2000-11-01 19:50:07 C 02 40 35.11 +29 59 16.0 z 153
2000-11-01 20:24:37 C 02 40 51.56 +29 58 41.0 z 153
2000-11-02 03:30:05 C 02 44 37.10 +29 49 59.9 i 739
2000-11-02 03:32:13 C 02 44 38.20 +29 49 57.5 i 739
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)