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
2000-10-19 01:55:29 C 18 22 28.65 +53 03 43.6 18.1 c 704
2000-10-19 02:14:55 C 18 22 33.78 +53 03 16.7 19.1 c 704
2000-10-19 02:34:22 C 18 22 38.85 +53 02 49.3 19.5 c 704
2000-10-19 02:54:11 C 18 22 44.14 +53 02 22.5 19.0 c 704
2000-10-19 03:13:39 C 18 22 49.30 +53 01 53.7 19.3 c 704
2000-10-19 22:58:16 C 18 28 14.44 +52 33 43.4 d 557
2000-10-19 23:04:05 C 18 28 16.03 +52 33 35.0 d 557
2000-10-19 23:08:00 C 18 28 17.12 +52 33 29.2 d 557
2000-10-20 01:30:19 C 18 28 57.01 +52 30 15.3 734
2000-10-20 01:35:42 C 18 28 58.48 +52 30 07.4 734
2000-10-20 01:43:51 C 18 29 00.76 +52 29 55.2 734
2000-10-20 01:50:06 C 18 29 02.39 +52 29 45.5 734
2000-10-20 17:15:38 C 18 33 24.02 +52 06 13.7 c 046
2000-10-20 17:17:07 C 18 33 24.43 +52 06 11.5 c 046
2000-10-20 17:18:16 C 18 33 24.66 +52 06 09.5 c 046
2000-10-20 17:19:27 C 18 33 25.14 +52 06 07.7 c 046
2000-10-20 17:20:35 C 18 33 25.32 +52 06 05.4 c 046
2000-10-20 17:21:50 C 18 33 25.68 +52 06 04.3 c 046
2000-10-20 18:50:49 C 18 33 50.56 +52 03 41.2 d 557
2000-10-20 18:52:36 C 18 33 51.10 +52 03 38.9 d 557
2000-10-20 19:03:18 C 18 33 54.13 +52 03 21.0 d 557
2000-10-20 19:06:50 C 18 33 55.14 +52 03 15.0 d 557
2000-10-21 02:16:35 C 18 35 58.25 +51 51 55.4 17.9 c 704
2000-10-21 02:16:57 C 18 35 58.38 +51 51 54.1 18.1 c 704
2000-10-21 02:36:43 C 18 36 04.00 +51 51 22.1 18.1 c 704
2000-10-21 02:38:26 C 18 36 04.47 +51 51 19.1 18.1 c 704
2000-10-21 02:56:28 C 18 36 09.60 +51 50 49.8 18.7 c 704
2000-10-21 03:22:14 C 18 36 16.76 +51 50 06.4 19.4 c 704
2000-10-21 03:43:44 C 18 36 22.98 +51 49 29.4 19.2 c 704
2000-10-21 16:52:14 C 18 40 13.71 +51 27 33.3 d 557
2000-10-21 17:01:09 C 18 40 16.27 +51 27 19.0 d 557
2000-10-21 17:02:57 C 18 40 16.76 +51 27 15.6 d 557
2000-10-21 17:22:56 C 18 40 22.50 +51 26 42.2 118
2000-10-21 17:24:52 C 18 40 23.02 +51 26 38.3 118
2000-10-21 17:32:02 C 18 40 25.09 +51 26 26.1 118
2000-10-22 17:01:57 C 18 47 25.49 +50 44 22.9 d 557
2000-10-22 17:10:27 C 18 47 28.09 +50 44 06.5 d 557
2000-10-22 17:12:09 C 18 47 28.70 +50 44 02.5 d 557
2000-10-22 17:15:50 C 18 47 29.66 +50 43 55.0 118
2000-10-22 17:17:25 C 18 47 30.19 +50 43 53.3 c 046
2000-10-22 17:18:48 C 18 47 30.66 +50 43 49.8 c 046
2000-10-22 17:19:58 C 18 47 30.95 +50 43 47.8 c 046
2000-10-22 17:21:38 C 18 47 31.36 +50 43 45.6 c 046
2000-10-22 17:22:47 C 18 47 31.75 +50 43 43.4 c 046
2000-10-22 17:23:53 C 18 47 32.13 +50 43 41.9 c 046
2000-10-22 17:30:01 C 18 47 33.82 +50 43 28.9 118
2000-10-22 17:36:55 C 18 47 35.68 +50 43 15.0 118
2000-10-22 18:17:16 C 18 47 47.90 +50 41 59.7 17.9 c 106
2000-10-22 18:42:15 C 18 47 55.36 +50 41 12.6 17.6 c 106
2000-10-22 18:57:40 C 18 48 00.04 +50 40 44.6 587
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)