54660 (2000 UJ1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2806049113 ± 2.10e-08
Semi-major axis (a)1.4767416404 AU ± 8.31e-10
Inclination (i)46.68951534° ± 1.83e-06
Long. of Asc. Node (Ω)223.70509281° ± 7.62e-07
Arg. of Perihelion (ω)158.04014923° ± 3.17e-06
Mean Anomaly (M)347.01225700° ± 3.59e-06
Mean Motion (n)0.5492315724°/day ± 4.64e-10
Perihelion dist (q)1.06236068 AU ± 3.10e-08
Aphelion dist (Q)1.89112260 AU ± 3.10e-08
Orbital Period1.79455503 yr ± 1.52e-09
Physical Parameters
H (abs. magnitude)17.92
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.013″
Uncertainty0
Orbit TypeAmor
MOID0.086223 AU
Observations Used705
Radar Obs Used3
Gaia Obs Used108
Oppositions8
Arc Total2000-2025
First Observation Used2000-10-19
Last Observation Used2025-09-11
Observations (1006)
Date Type RA Dec Mag Band Observatory
2000-10-22 19:03:04 C 18 48 01.62 +50 40 33.5 587
2000-10-22 19:04:09 C 18 48 01.85 +50 40 30.0 17.1 c 106
2000-10-24 02:25:01 C 18 57 42.97 +49 38 02.9 c 670
2000-10-24 02:40:48 C 18 57 47.96 +49 37 28.1 c 670
2000-10-27 17:22:58 C 19 26 21.14 +46 01 20.1 118
2000-10-27 17:33:12 C 19 26 24.61 +46 00 49.9 118
2000-10-27 19:19:10 C 19 27 00.63 +45 55 40.3 587
2000-10-27 19:22:45 C 19 27 01.71 +45 55 29.5 587
2000-10-30 11:35:45 C 19 49 40.45 +42 24 37.7 360
2000-10-30 11:39:45 C 19 49 41.85 +42 24 23.1 360
2000-10-30 11:44:59 C 19 49 43.66 +42 24 04.3 360
2000-10-31 02:46:37 C 19 55 11.27 +41 27 37.6 c 670
2000-10-31 04:39:04 C 19 55 51.49 +41 20 16.3 c 670
2000-11-05 17:16:48 C 20 45 24.77 +30 45 32.8 c 046
2000-11-05 17:18:40 C 20 45 25.46 +30 45 23.2 c 046
2000-11-05 17:19:33 C 20 45 25.76 +30 45 17.8 c 046
2000-11-05 17:20:24 C 20 45 26.10 +30 45 12.9 c 046
2000-11-08 17:11:11 C 21 12 26.61 +23 22 43.4 118
2000-11-08 17:14:26 C 21 12 27.82 +23 22 22.4 118
2000-11-09 16:34:28 C 21 21 07.53 +20 46 34.2 118
2000-11-09 16:45:08 C 21 21 11.38 +20 45 22.9 118
2000-11-09 16:47:32 C 21 21 12.27 +20 45 05.8 118
2000-11-10 20:50:01 C 21 31 27.97 +17 32 06.3 118
2000-11-10 20:53:26 C 21 31 29.18 +17 31 42.5 118
2000-11-11 16:40:58 C 21 38 40.76 +15 12 53.3 c 046
2000-11-11 16:46:01 C 21 38 42.53 +15 12 17.6 c 046
2000-11-11 16:46:49 C 21 38 42.82 +15 12 11.7 c 046
2000-11-11 16:47:34 C 21 38 43.03 +15 12 06.7 c 046
2000-11-11 16:48:27 C 21 38 43.39 +15 11 59.3 c 046
2000-11-11 16:49:22 C 21 38 43.79 +15 11 53.7 c 046
2000-11-13 18:22:50 C 21 56 15.11 +09 20 09.2 540
2000-11-13 18:25:10 C 21 56 15.92 +09 19 52.7 540
2000-11-13 18:27:19 C 21 56 16.67 +09 19 37.5 540
2000-11-13 18:29:30 C 21 56 17.40 +09 19 22.2 540
2000-11-13 18:31:39 C 21 56 18.15 +09 19 06.6 540
2000-11-14 05:06:46 C 21 59 56.94 +08 04 15.3 c 670
2000-11-14 05:26:25 C 22 00 03.54 +08 01 56.4 c 670
2000-11-14 05:33:37 C 22 00 05.98 +08 01 04.9 c 670
2000-11-14 13:20:03 C 22 02 46.32 +07 06 56.6 z 322
2000-11-14 13:24:24 C 22 02 47.63 +07 06 18.9 z 322
2000-11-14 13:33:04 C 22 02 50.65 +07 05 15.7 z 322
2000-11-15 00:14:49 C 22 06 30.48 +05 49 34.6 i 726
2000-11-15 00:18:49 C 22 06 31.87 +05 49 07.8 i 726
2000-11-15 00:22:49 C 22 06 33.16 +05 48 39.4 i 726
2000-11-15 00:26:48 C 22 06 34.46 +05 48 12.3 i 726
2000-11-15 00:30:48 C 22 06 35.86 +05 47 43.5 i 726
2000-11-15 00:37:27 C 22 06 38.01 +05 46 56.7 i 726
2000-11-15 23:24:19 C 22 14 15.26 +03 09 49.2 860
2000-11-15 23:25:35 C 22 14 15.50 +03 09 38.8 860
2000-11-15 23:28:08 C 22 14 16.39 +03 09 20.7 860
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2009-11-08 02:00:00 -25221.2766 1.5 Hz 2380 -1 -1
2009-11-09 02:00:00 -77044.423 2 Hz 2380 -1 -1
2009-11-10 01:45:00 -124399.2113 2 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)