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
2025-05-25 12:48:36 C 15 43 43.986 +15 22 04.22 X F51
2025-06-02 06:46:21 C 15 28 23.022 +20 02 58.90 V U68
2025-06-02 06:51:48 C 15 28 22.627 +20 03 07.01 V U68
2025-06-02 07:15:40 C 15 28 20.682 +20 03 38.86 V U68
2025-06-02 07:21:06 C 15 28 20.193 +20 03 46.71 V U68
2025-06-07 07:07:43 C 15 19 15.463 +22 31 34.42 X F52
2025-06-07 07:17:59 C 15 19 14.695 +22 31 45.92 X F51
2025-06-07 07:19:38 C 15 19 14.578 +22 31 47.88 X F52
2025-06-07 07:30:14 C 15 19 13.784 +22 31 59.94 X F51
2025-06-07 07:31:32 C 15 19 13.666 +22 32 01.17 X F52
2025-06-07 07:42:30 C 15 19 12.861 +22 32 13.60 X F51
2025-06-07 07:43:34 C 15 19 12.780 +22 32 14.88 X F52
2025-06-08 07:12:42 C 15 17 32.208 +22 58 08.17 X F52
2025-06-08 07:38:38 C 15 17 30.305 +22 58 35.94 X F52
2025-06-08 07:51:39 C 15 17 29.348 +22 58 50.24 X F52
2025-06-09 10:07:30 C 15 15 39.135 +23 26 35.52 X F51
2025-06-09 10:20:44 C 15 15 38.186 +23 26 49.17 X F51
2025-06-09 10:33:53 C 15 15 37.236 +23 27 02.58 X F51
2025-06-09 10:47:00 C 15 15 36.312 +23 27 15.88 X F51
2025-06-10 10:09:46 C 15 14 01.206 +23 50 56.05 X F52
2025-06-10 10:37:17 C 15 13 59.307 +23 51 23.23 X F52
2025-06-10 10:51:00 C 15 13 58.340 +23 51 36.27 X F52
2025-06-13 09:40:55 C 15 09 25.346 +24 57 31.63 X F51
2025-06-13 09:55:14 C 15 09 24.421 +24 57 43.97 X F51
2025-06-13 10:09:20 C 15 09 23.522 +24 57 56.19 X F51
2025-06-13 10:23:22 C 15 09 22.626 +24 58 08.19 X F51
2025-06-14 09:32:43 C 15 07 58.633 +25 17 51.56 X F51
2025-06-14 09:47:42 C 15 07 57.696 +25 18 03.91 X F51
2025-06-14 09:59:55 C 15 07 56.934 +25 18 14.01 X F51
2025-06-14 10:12:05 C 15 07 56.183 +25 18 24.05 X F51
2025-06-16 05:53:59 C 15 05 24.932 +25 53 13.06 V G96
2025-06-16 06:02:11 C 15 05 24.446 +25 53 19.07 V G96
2025-06-16 06:10:22 C 15 05 23.989 +25 53 25.22 V G96
2025-06-16 06:18:35 C 15 05 23.507 +25 53 31.52 V G96
2025-06-29 05:47:19 C 14 52 11.910 +28 44 46.90 V G96
2025-06-29 05:55:29 C 14 52 11.651 +28 44 49.70 V G96
2025-06-29 06:03:39 C 14 52 11.413 +28 44 52.76 V G96
2025-06-29 06:11:48 C 14 52 11.172 +28 44 55.57 V G96
2025-07-02 06:58:00 C 14 50 20.982 +29 08 50.93 X F52
2025-07-02 07:13:04 C 14 50 20.609 +29 08 55.29 X F52
2025-07-02 07:28:04 C 14 50 20.234 +29 08 59.67 X F52
2025-07-02 07:42:53 C 14 50 19.866 +29 09 03.92 X F52
2025-09-03 06:08:39 C 15 34 48.201 +27 49 29.45 X F51
2025-09-03 06:21:01 C 15 34 49.026 +27 49 26.95 X F51
2025-09-03 06:33:23 C 15 34 49.942 +27 49 24.20 X F51
2025-09-05 06:42:49 C 15 38 19.088 +27 38 54.57 X F52
2025-09-05 06:54:53 C 15 38 19.957 +27 38 52.24 X F52
2025-09-05 07:19:05 C 15 38 21.727 +27 38 46.17 X F52
2025-09-06 07:00:36 C 15 40 07.231 +27 33 30.88 X F52
2025-09-06 07:13:28 C 15 40 08.172 +27 33 28.11 X F52
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)