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
2016-05-24 11:09:58 C 15 17 21.059 +09 53 50.54 L F51
2016-05-24 11:26:32 C 15 17 19.694 +09 54 17.44 L F51
2016-05-31 08:42:39 C 15 04 43.15 +14 01 08.3 q 703
2016-05-31 08:59:47 C 15 04 42.01 +14 01 31.3 q 703
2016-05-31 09:08:21 C 15 04 41.35 +14 01 42.5 q 703
2016-06-05 05:56:38 C 14 56 45.54 +16 28 23.7 q G96
2016-06-05 06:00:19 C 14 56 45.28 +16 28 28.0 q G96
2016-06-05 06:03:58 C 14 56 45.03 +16 28 32.4 q G96
2016-06-05 06:07:38 C 14 56 44.79 +16 28 36.8 q G96
2016-06-09 09:23:14 C 14 50 47.918 +18 14 59.33 L F51
2016-06-09 09:43:25 C 14 50 46.738 +18 15 19.10 L F51
2016-06-09 10:03:45 C 14 50 45.549 +18 15 39.13 L F51
2016-06-09 10:24:02 C 14 50 44.369 +18 15 59.13 L F51
2018-06-04 10:12:46 C 19 43 06.75 +51 10 06.1 U G96
2018-06-04 10:22:14 C 19 43 06.81 +51 10 25.2 U G96
2018-06-04 10:31:43 C 19 43 06.88 +51 10 44.7 U G96
2018-06-04 10:41:13 C 19 43 06.95 +51 11 04.0 U G96
2018-06-22 09:26:02 C 19 38 34.89 +64 23 14.1 U 703
2018-06-22 09:33:15 C 19 38 34.52 +64 23 25.9 U 703
2018-06-22 09:40:29 C 19 38 34.07 +64 23 37.4 U 703
2018-06-22 09:47:44 C 19 38 33.93 +64 23 48.5 U 703
2018-06-24 10:34:30 C 19 36 49.502 +65 40 36.04 U F51
2018-06-24 10:53:29 C 19 36 48.630 +65 41 05.63 U F51
2018-06-24 11:12:27 C 19 36 47.785 +65 41 35.00 U F51
2018-06-24 11:31:25 C 19 36 46.931 +65 42 04.41 U F51
2018-07-26 13:19:30 C 18 07 15.993 +79 44 53.07 U F51
2018-07-26 13:34:48 C 18 07 12.566 +79 45 02.35 U F51
2018-07-26 13:50:05 C 18 07 09.162 +79 45 11.61 U F51
2018-07-26 14:05:21 C 18 07 05.735 +79 45 21.10 U F51
2018-08-11 06:10:48 C 16 23 01.166 +82 29 05.19 U F51
2018-08-11 06:30:43 C 16 22 54.459 +82 29 09.64 U F51
2018-08-11 06:50:39 C 16 22 47.730 +82 29 13.99 U F51
2018-08-11 07:10:33 C 16 22 41.033 +82 29 18.28 U F51
2018-10-09 16:35:01 S 09 00 12.343 +77 22 19.92 L C51
2018-10-09 16:35:12 S 09 00 12.144 +77 22 20.10 L C51
2018-10-09 19:43:31 S 08 58 58.990 +77 18 30.92 L C51
2018-10-09 22:52:01 S 08 57 45.396 +77 14 39.91 L C51
2018-10-10 00:26:16 S 08 57 08.537 +77 12 42.41 L C51
2018-10-10 02:00:31 S 08 56 31.750 +77 10 44.44 L C51
2018-10-10 03:34:46 S 08 55 54.802 +77 08 46.86 L C51
2018-10-10 05:09:01 S 08 55 18.050 +77 06 46.69 L C51
2018-10-10 06:43:16 S 08 54 41.230 +77 04 46.60 L C51
2018-10-10 09:51:46 S 08 53 27.458 +77 00 43.60 L C51
2018-10-10 11:26:01 S 08 52 50.575 +76 58 41.34 L C51
2018-10-10 13:00:16 S 08 52 13.464 +76 56 36.89 L C51
2018-10-10 14:34:31 S 08 51 36.758 +76 54 33.16 L C51
2018-10-10 16:08:46 S 08 50 59.755 +76 52 28.06 L C51
2018-10-10 19:17:17 S 08 49 45.857 +76 48 15.52 L C51
2018-10-11 14:39:15 C 08 42 15.58 +76 21 07.8 U T08
2018-10-11 14:51:17 C 08 42 10.40 +76 20 51.6 U T08
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)