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
2018-10-11 14:52:39 C 08 42 09.90 +76 20 49.2 U T08
2018-10-11 15:04:07 C 08 42 05.17 +76 20 32.9 U T08
2018-10-11 15:04:47 C 08 42 04.94 +76 20 32.9 U T08
2018-10-11 15:16:21 C 08 42 00.26 +76 20 16.0 U T08
2018-10-11 15:17:40 C 08 41 59.53 +76 20 15.0 U T08
2018-10-11 15:21:01 C 08 41 58.25 +76 20 09.0 U T08
2018-10-17 14:36:48 C 07 45 51.15 +71 23 00.9 U T05
2018-10-17 14:48:51 C 07 45 46.21 +71 22 27.1 U T05
2018-10-17 15:01:39 C 07 45 41.00 +71 21 51.3 U T05
2018-10-17 15:13:46 C 07 45 35.95 +71 21 17.2 U T05
2018-10-19 02:45:07 C 07 32 02.63 +69 30 22.5 U 089
2018-10-19 03:00:08 C 07 31 56.70 +69 29 32.2 U 089
2018-10-19 03:15:09 C 07 31 50.63 +69 28 40.4 U 089
2018-10-21 14:25:34 C 07 09 57.96 +65 34 12.7 U T05
2018-10-21 14:38:15 C 07 09 53.05 +65 33 14.9 U T05
2018-10-21 14:50:30 C 07 09 48.32 +65 32 19.1 U T05
2018-10-25 12:36:16 C 06 37 16.32 +56 14 16.5 U T05
2018-10-25 12:47:48 C 06 37 12.26 +56 12 50.3 U T05
2018-10-25 12:59:11 C 06 37 08.24 +56 11 25.3 U T05
2018-10-25 13:10:36 C 06 37 04.18 +56 09 59.1 U T05
2018-10-26 07:22:39 C 06 31 08.14 +53 44 42.3 V 703
2018-10-26 07:29:59 C 06 31 05.71 +53 43 42.5 V 703
2018-10-26 07:37:18 C 06 31 03.25 +53 42 41.8 V 703
2018-10-26 07:44:38 C 06 31 00.76 +53 41 41.5 V 703
2018-11-01 14:20:11 C 05 46 13.60 +23 11 48.3 U T05
2018-11-01 14:27:29 C 05 46 11.49 +23 09 52.8 U T05
2018-11-01 14:59:51 C 05 46 02.15 +23 01 21.9 U T05
2018-11-02 00:09:17 C 05 43 37.87 +20 35 23.9 V 094
2018-11-02 00:09:38 C 05 43 37.77 +20 35 17.9 V 094
2018-11-02 00:09:58 C 05 43 37.67 +20 35 12.0 V 094
2018-11-02 00:10:21 C 05 43 37.54 +20 35 05.0 V 094
2018-11-03 01:03:35 C 05 37 07.11 +13 50 40.3 V 094
2018-11-03 01:03:56 C 05 37 07.02 +13 50 34.9 V 094
2018-11-03 01:04:16 C 05 37 06.93 +13 50 29.4 V 094
2018-11-03 01:04:39 C 05 37 06.83 +13 50 23.5 V 094
2018-11-04 08:53:04 C 05 29 10.19 +05 10 34.8 V 703
2018-11-04 09:01:07 C 05 29 08.08 +05 08 24.8 V 703
2018-11-04 09:09:11 C 05 29 05.97 +05 06 14.6 V 703
2018-11-04 09:17:15 C 05 29 03.85 +05 04 03.9 V 703
2018-11-09 09:19:41 C 05 02 08.97 -22 19 26.9 V 703
2018-11-09 09:27:20 C 05 02 07.29 -22 20 47.5 V 703
2018-11-09 09:35:00 C 05 02 05.60 -22 22 09.5 V 703
2018-11-09 09:42:39 C 05 02 03.89 -22 23 30.7 V 703
2018-11-09 13:24:01 C 05 01 18.13 -23 02 06.5 U T08
2018-11-09 13:38:01 C 05 01 15.07 -23 04 32.2 U T08
2018-11-09 13:53:27 C 05 01 11.70 -23 07 11.6 U T08
2018-11-09 13:54:47 C 05 01 11.40 -23 07 25.5 U T08
2018-11-13 09:44:39 S 04 42 06.091 -35 36 15.80 V C57
2018-11-13 09:44:39 s 1 -173998.77 0 +56881.024 7590.0 C57
2018-11-13 10:14:40 S 04 42 02.470 -35 39 33.44 V C57
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)