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
2016-04-05 14:10:33 C 16 28 25.095 -22 38 20.83 L F51
2016-04-05 14:25:07 C 16 28 24.840 -22 38 04.90 L F51
2016-04-14 14:16:51 C 16 23 00.530 -18 11 20.72 L F51
2016-04-14 14:39:33 C 16 22 59.681 -18 10 49.52 L F51
2016-04-14 14:50:54 C 16 22 59.247 -18 10 33.77 L F51
2016-04-30 08:55:30 C 16 03 15.80 -07 56 12.3 q 703
2016-04-30 09:04:19 C 16 03 15.16 -07 55 56.5 q 703
2016-04-30 09:13:07 C 16 03 14.50 -07 55 39.5 q 703
2016-04-30 09:21:55 C 16 03 13.89 -07 55 23.7 q 703
2016-05-03 16:35:14 C 15 57 38.04 -05 27 24.0 q D29
2016-05-03 17:18:30 C 15 57 34.71 -05 26 01.1 q D29
2016-05-04 12:07:43 C 15 56 11.170 -04 50 14.41 L F51
2016-05-04 12:25:58 C 15 56 09.758 -04 49 39.72 L F51
2016-05-04 13:02:27 C 15 56 06.939 -04 48 30.11 L F51
2016-05-05 07:24:00 C 15 54 44.75 -04 13 30.4 q 703
2016-05-05 07:32:41 C 15 54 44.07 -04 13 13.1 q 703
2016-05-05 07:41:21 C 15 54 43.36 -04 12 55.7 q 703
2016-05-05 07:50:00 C 15 54 42.70 -04 12 40.6 q 703
2016-05-05 11:09:10 C 15 54 27.555 -04 06 16.69 L F51
2016-05-05 11:43:45 C 15 54 24.831 -04 05 10.52 L F51
2016-05-05 12:01:03 C 15 54 23.474 -04 04 37.37 L F51
2016-05-06 07:36:24 C 15 52 53.89 -03 27 05.7 R G45
2016-05-06 07:43:02 C 15 52 53.41 -03 26 53.0 R G45
2016-05-06 07:48:53 C 15 52 52.94 -03 26 41.6 R G45
2016-05-06 07:54:59 C 15 52 52.43 -03 26 29.9 R G45
2016-05-06 08:01:27 C 15 52 51.92 -03 26 17.2 R G45
2016-05-06 08:06:55 C 15 52 51.51 -03 26 06.6 R G45
2016-05-07 07:37:19 C 15 51 02.28 -02 40 52.4 R G45
2016-05-07 07:43:55 C 15 51 01.81 -02 40 40.6 R G45
2016-05-07 07:47:51 C 15 51 01.47 -02 40 33.3 R G45
2016-05-07 07:57:16 C 15 51 00.70 -02 40 15.0 R G45
2016-05-07 08:04:00 C 15 51 00.17 -02 40 02.3 R G45
2016-05-10 07:35:23 C 15 45 19.01 -00 22 05.8 R G45
2016-05-10 07:42:07 C 15 45 18.39 -00 21 52.2 R G45
2016-05-10 07:48:57 C 15 45 17.83 -00 21 39.0 R G45
2016-05-10 07:55:28 C 15 45 17.29 -00 21 26.5 R G45
2016-05-10 08:02:15 C 15 45 16.72 -00 21 13.4 R G45
2016-05-12 06:20:42 C 15 41 30.53 +01 07 45.2 q H15
2016-05-12 06:34:37 C 15 41 29.23 +01 08 11.8 q H15
2016-05-12 06:48:49 C 15 41 28.05 +01 08 39.1 q H15
2016-05-12 06:50:26 C 15 41 27.99 +01 08 42.2 q 703
2016-05-12 06:59:09 C 15 41 27.25 +01 08 59.1 q 703
2016-05-12 07:07:49 C 15 41 26.54 +01 09 15.2 q 703
2016-05-12 07:16:31 C 15 41 25.78 +01 09 32.1 q 703
2016-05-15 11:00:00 C 15 35 09.522 +03 33 03.48 L F51
2016-05-15 11:17:36 C 15 35 07.998 +03 33 36.39 L F51
2016-05-15 11:35:13 C 15 35 06.486 +03 34 09.20 L F51
2016-05-16 15:58:45 C 15 32 44.77 +04 26 55.7 q D29
2016-05-16 16:25:03 C 15 32 42.53 +04 27 44.2 q D29
2016-05-24 10:53:33 C 15 17 22.431 +09 53 23.88 L F51
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)