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
2009-11-06 05:29:47 C 23 34 38.39 +31 36 10.0 c 926
2009-11-08 21:12:44 C 00 01 09.90 +12 49 52.4 o J16
2009-11-08 21:17:53 C 00 01 11.70 +12 48 22.7 o J16
2009-11-08 21:23:09 C 00 01 13.56 +12 46 51.2 o J16
2009-11-08 21:28:21 C 00 01 15.42 +12 45 20.0 o J16
2009-11-08 21:33:33 C 00 01 17.26 +12 43 48.7 o J16
2009-11-08 21:38:24 C 00 01 18.93 +12 42 23.6 o J16
2009-11-08 21:43:31 C 00 01 20.77 +12 40 55.0 o J16
2009-11-08 21:48:44 C 00 01 22.63 +12 39 23.9 o J16
2009-11-08 21:53:58 C 00 01 24.49 +12 37 52.7 o J16
2009-11-09 23:22:54 C 00 10 19.66 +05 25 36.8 r J53
2009-11-09 23:23:30 C 00 10 19.85 +05 25 26.7 r J53
2009-11-09 23:24:44 C 00 10 20.24 +05 25 06.6 r J53
2009-11-11 19:43:55 C 00 24 08.17 -05 44 52.6 w 160
2009-11-11 19:46:27 C 00 24 08.88 -05 45 27.7 w 160
2009-11-11 19:47:47 C 00 24 09.23 -05 45 45.2 w 160
2009-11-11 19:48:40 C 00 24 09.46 -05 45 57.2 w 160
2009-11-28 02:00:19 C 01 32 07.06 -42 39 11.4 c 808
2009-11-28 02:10:00 C 01 32 07.89 -42 39 27.5 c 808
2009-11-28 02:20:10 C 01 32 09.00 -42 39 50.1 c 808
2009-11-28 05:29:12 C 01 32 28.198 -42 45 19.04 n 309
2009-11-28 05:32:01 C 01 32 28.490 -42 45 23.78 n 309
2009-11-28 05:38:39 C 01 32 29.188 -42 45 35.24 n 309
2009-11-28 05:41:43 C 01 32 29.489 -42 45 40.50 n 309
2009-11-28 05:48:21 C 01 32 30.204 -42 45 51.55 n 309
2009-11-28 05:51:30 C 01 32 30.516 -42 45 56.59 n 309
2009-11-29 05:19:17 C 01 35 01.219 -43 25 11.39 n 309
2009-11-29 05:22:07 C 01 35 01.475 -43 25 15.56 n 309
2009-11-29 05:25:07 C 01 35 01.753 -43 25 20.09 n 309
2009-11-29 05:28:36 C 01 35 02.108 -43 25 25.34 n 309
2009-11-29 05:31:39 C 01 35 02.422 -43 25 30.40 n 309
2009-11-29 05:38:59 C 01 35 03.132 -43 25 41.38 n 309
2009-11-29 05:45:37 C 01 35 03.816 -43 25 51.67 n 309
2009-11-29 05:48:48 C 01 35 04.138 -43 25 56.03 n 309
2009-11-30 05:22:45 C 01 37 29.921 -44 01 25.90 n 309
2009-11-30 05:31:58 C 01 37 30.809 -44 01 38.53 n 309
2009-11-30 05:41:44 C 01 37 31.759 -44 01 50.84 n 309
2014-04-17 03:20:13 C 12 58 00.86 -40 52 27.8 u 807
2014-04-17 03:24:46 C 12 58 00.49 -40 52 20.9 u 807
2014-04-17 03:29:19 C 12 58 00.14 -40 52 13.9 u 807
2014-04-17 03:33:52 C 12 57 59.81 -40 52 07.1 u 807
2014-04-17 03:38:26 C 12 57 59.46 -40 52 00.2 u 807
2014-06-02 06:27:06 C 12 27 13.076 -11 27 03.32 L F51
2014-06-02 06:44:33 C 12 27 13.292 -11 26 43.12 L F51
2014-06-02 07:01:59 C 12 27 13.518 -11 26 22.60 L F51
2014-06-02 07:19:24 C 12 27 13.742 -11 26 02.42 L F51
2014-06-16 06:36:16 C 12 35 07.180 -05 58 39.70 L F51
2014-06-16 06:53:10 C 12 35 07.687 -05 58 26.04 L F51
2014-06-16 07:09:39 C 12 35 08.179 -05 58 13.07 L F51
2016-04-05 13:55:57 C 16 28 25.350 -22 38 36.84 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)