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
2023-05-01 02:38:22 C 13 04 46.80 -29 49 59.6 q X74
2023-05-01 02:43:03 C 13 04 46.42 -29 49 52.5 q X74
2023-05-01 02:47:38 C 13 04 46.32 -29 49 44.0 q X74
2023-05-18 06:22:54 C 12 47 45.512 -17 52 53.76 X F52
2023-05-18 06:38:44 C 12 47 45.111 -17 52 28.15 X F52
2023-05-18 07:10:27 C 12 47 44.289 -17 51 36.96 X F52
2023-05-25 05:39:36 C 12 45 01.156 -13 37 27.41 V G96
2023-05-25 05:47:08 C 12 45 01.076 -13 37 17.18 V G96
2023-05-25 05:54:39 C 12 45 00.986 -13 37 06.06 V G96
2023-05-25 06:02:13 C 12 45 00.882 -13 36 55.40 V G96
2023-06-10 05:20:57 C 12 46 29.176 -05 57 36.97 V G96
2023-06-10 05:28:22 C 12 46 29.305 -05 57 30.28 V G96
2023-06-10 05:35:45 C 12 46 29.366 -05 57 22.46 V G96
2023-06-10 05:44:34 C 12 46 29.485 -05 57 14.22 V G96
2025-04-06 13:48:42 C 16 47 38.008 -18 42 30.90 X F51
2025-04-06 13:59:16 C 16 47 37.928 -18 42 18.26 X F51
2025-04-06 14:10:14 C 16 47 37.843 -18 42 05.32 X F51
2025-04-06 14:21:02 C 16 47 37.758 -18 41 52.47 X F51
2025-04-28 10:25:08 C 16 32 20.965 -05 20 55.86 V G96
2025-04-28 10:32:34 C 16 32 20.533 -05 20 42.79 V G96
2025-04-28 10:40:02 C 16 32 20.116 -05 20 28.50 V G96
2025-04-28 10:47:29 C 16 32 19.694 -05 20 14.71 V G96
2025-04-30 12:53:45 C 16 29 32.353 -03 46 13.16 X F51
2025-04-30 13:33:45 C 16 29 29.926 -03 44 57.11 X F51
2025-04-30 13:53:41 C 16 29 28.714 -03 44 19.18 X F51
2025-05-08 10:19:35 C 16 17 07.588 +02 24 51.70 V G96
2025-05-08 10:27:39 C 16 17 06.994 +02 25 08.08 V G96
2025-05-08 10:35:42 C 16 17 06.385 +02 25 24.10 V G96
2025-05-08 10:43:44 C 16 17 05.773 +02 25 40.33 V G96
2025-05-18 08:29:19 C 15 58 20.831 +10 13 27.55 V G96
2025-05-18 08:36:42 C 15 58 20.197 +10 13 41.48 V G96
2025-05-18 08:44:06 C 15 58 19.560 +10 13 55.49 V G96
2025-05-18 08:51:29 C 15 58 18.919 +10 14 09.46 V G96
2025-05-19 07:54:21 C 15 56 23.544 +10 57 34.51 X F52
2025-05-19 08:11:00 C 15 56 22.100 +10 58 05.72 X F52
2025-05-19 08:27:43 C 15 56 20.646 +10 58 37.12 X F52
2025-05-21 15:23:17 C 15 51 41.46 +12 39 33.3 V D29
2025-05-21 15:43:39 C 15 51 39.70 +12 40 09.7 V D29
2025-05-21 16:04:00 C 15 51 37.91 +12 40 46.5 V D29
2025-05-25 07:53:57 C 15 44 09.850 +15 13 51.47 X F52
2025-05-25 08:09:32 C 15 44 08.488 +15 14 17.70 X F52
2025-05-25 08:25:10 C 15 44 07.115 +15 14 43.99 X F52
2025-05-25 08:40:55 C 15 44 05.732 +15 15 10.46 X F52
2025-05-25 10:05:06 C 15 43 58.327 +15 17 31.85 V T08
2025-05-25 10:09:50 C 15 43 57.946 +15 17 39.66 V T08
2025-05-25 10:23:53 C 15 43 56.705 +15 18 03.17 V T08
2025-05-25 11:11:37 C 15 43 52.474 +15 19 22.44 V T08
2025-05-25 11:53:38 C 15 43 48.779 +15 20 32.79 X F51
2025-05-25 12:11:58 C 15 43 47.184 +15 21 03.37 X F51
2025-05-25 12:30:21 C 15 43 45.576 +15 21 33.87 X 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)