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
2000-11-15 23:29:24 C 22 14 16.79 +03 09 14.1 860
2000-11-18 01:39:28 C 22 30 31.74 -02 24 47.2 c 699
2000-11-18 02:01:50 C 22 30 38.63 -02 27 10.5 c 699
2000-11-18 02:24:11 C 22 30 45.48 -02 29 33.4 c 699
2000-11-18 02:46:34 C 22 30 52.34 -02 31 56.9 c 699
2000-11-18 11:33:30 C 22 33 37.00 -03 27 43.0 360
2000-11-18 11:36:29 C 22 33 37.94 -03 28 02.4 360
2000-11-18 11:40:30 C 22 33 39.12 -03 28 26.9 360
2000-11-21 01:47:00 C 22 52 23.30 -09 37 09.8 17.1 c 704
2000-11-21 02:08:09 C 22 52 29.29 -09 39 07.4 18.0 c 704
2000-11-21 02:29:17 C 22 52 35.28 -09 41 04.5 17.8 c 704
2000-11-23 17:12:00 C 23 10 08.97 -15 03 15.1 071
2000-12-12 09:38:26 C 00 43 10.70 -34 31 59.4 467
2000-12-12 09:40:50 C 00 43 11.04 -34 32 01.7 467
2001-02-23 10:54:53 C 03 54 49.57 -34 53 00.5 474
2001-02-23 11:03:14 C 03 54 50.12 -34 52 56.8 474
2001-02-23 11:16:12 C 03 54 51.57 -34 52 51.1 474
2001-02-23 11:24:12 C 03 54 52.38 -34 52 46.8 474
2001-02-23 11:32:42 C 03 54 53.45 -34 52 42.6 474
2001-03-04 09:11:30 C 04 16 59.28 -33 19 00.2 474
2001-03-04 09:15:09 C 04 16 59.61 -33 18 59.3 474
2001-03-04 09:17:29 C 04 16 59.93 -33 18 57.4 474
2001-03-04 09:27:39 C 04 17 00.92 -33 18 52.4 474
2002-05-02 15:02:32 C 21 48 46.58 +31 39 50.9 c 568
2002-05-02 15:08:13 C 21 48 47.36 +31 39 59.3 c 568
2002-05-14 08:27:48 C 22 30 45.12 +38 14 39.1 c 649
2002-05-14 08:41:13 C 22 30 47.23 +38 14 57.3 c 649
2002-12-02 13:01:36 C 09 42 42.29 -49 14 15.2 c 474
2002-12-02 13:05:06 C 09 42 42.50 -49 14 22.4 c 474
2002-12-02 13:23:06 C 09 42 43.23 -49 14 44.7 c 474
2002-12-02 13:29:04 C 09 42 43.48 -49 14 56.7 c 474
2007-04-18 10:56:02 C 15 57 21.56 -20 11 38.8 r G96
2007-04-18 11:03:05 C 15 57 21.16 -20 11 28.8 r G96
2007-04-18 11:10:08 C 15 57 20.80 -20 11 18.4 r G96
2007-04-18 11:17:19 C 15 57 20.37 -20 11 08.3 r G96
2007-04-22 06:10:02 C 15 52 10.19 -17 55 27.5 r 448
2007-04-22 06:28:01 C 15 52 09.07 -17 54 59.5 r 448
2007-04-22 06:46:16 C 15 52 07.93 -17 54 31.4 r 448
2007-04-28 10:13:29 C 15 42 20.32 -13 51 47.6 o 691
2007-04-28 10:38:49 C 15 42 18.49 -13 51 04.2 o 691
2007-04-28 11:04:09 C 15 42 16.59 -13 50 19.4 o 691
2007-05-10 07:02:02 C 15 20 08.37 -05 10 29.3 o 699
2007-05-10 07:29:42 C 15 20 06.04 -05 09 36.2 o 699
2007-05-10 07:57:22 C 15 20 03.74 -05 08 45.8 o 699
2007-05-10 08:25:01 C 15 20 01.37 -05 07 53.3 o 699
2007-05-15 07:19:39 C 15 10 15.42 -01 26 46.6 r G96
2007-05-15 07:29:01 C 15 10 14.62 -01 26 29.4 r G96
2007-05-15 07:38:21 C 15 10 13.83 -01 26 12.4 r G96
2007-05-15 07:47:51 C 15 10 13.04 -01 25 54.9 r G96
2007-05-15 07:49:17 C 15 10 12.77 -01 25 51.2 r H45
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)