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
2018-11-13 10:14:40 s 1 -173093.98 3 +54357.966 2770.0 C57
2018-11-13 13:14:40 S 04 41 38.386 -35 57 46.12 V C57
2018-11-13 13:14:40 s 1 -167097.37 4 +39054.055 7120.0 C57
2018-11-13 13:44:39 S 04 41 34.344 -36 00 45.58 V C57
2018-11-13 13:44:39 s 1 -165998.71 3 +36478.015 630.0 C57
2018-11-13 15:44:39 S 04 41 18.850 -36 12 55.55 V C57
2018-11-13 15:44:39 s 1 -161301.30 0 +26111.722 870.0 C57
2018-11-13 16:14:40 S 04 41 15.086 -36 15 43.60 V C57
2018-11-13 16:14:40 s 1 -160048.44 6 +23506.310 3990.0 C57
2018-11-13 16:44:39 S 04 41 11.508 -36 18 33.91 V C57
2018-11-13 16:44:39 s 1 -158763.02 4 +20896.115 3610.0 C57
2018-11-13 19:14:40 S 04 40 51.847 -36 33 48.53 V C57
2018-11-13 19:14:40 s 1 -151825.72 4 + 7788.913 3430.0 C57
2018-11-13 21:14:39 S 04 40 36.941 -36 45 36.36 V C57
2018-11-13 21:14:39 s 1 -145624.35 9 - 2732.920 7210.0 C57
2018-11-14 03:14:39 S 04 39 55.531 -37 20 42.18 V C57
2018-11-14 03:14:39 s 1 -123060.82 2 -33997.158 8110.0 C57
2018-11-15 12:07:57 C 04 35 31.70 -40 30 27.8 U T05
2018-11-15 12:21:55 C 04 35 29.27 -40 31 36.4 U T05
2018-11-15 12:35:54 C 04 35 26.83 -40 32 45.2 U T05
2018-11-16 00:44:39 S 04 34 38.621 -41 41 01.39 V C57
2018-11-16 00:44:39 s 1 +133287.66 4 +18032.200 6180.0 C57
2018-11-16 01:14:39 S 04 34 33.967 -41 43 31.33 V C57
2018-11-16 01:14:39 s 1 +134252.77 4 +21070.931 9130.0 C57
2018-11-16 03:14:39 S 04 34 14.069 -41 53 57.62 V C57
2018-11-16 03:14:39 s 1 +137684.50 4 +33149.721 620.0 C57
2018-11-16 03:44:39 S 04 34 09.365 -41 56 33.22 V C57
2018-11-16 03:44:39 s 1 +138440.46 7 +36147.037 4470.0 C57
2018-11-16 04:14:39 S 04 34 04.769 -41 58 47.03 V C57
2018-11-16 04:14:39 s 1 +139157.63 5 +39134.226 9810.0 C57
2018-11-16 08:44:39 S 04 33 19.202 -42 21 24.77 V C57
2018-11-16 08:44:39 s 1 +144015.18 6 +65490.121 8990.0 C57
2018-11-16 09:14:39 S 04 33 14.503 -42 23 37.32 V C57
2018-11-16 09:14:39 s 1 +144392.70 0 +68353.385 1740.0 C57
2018-11-16 09:44:39 S 04 33 09.312 -42 26 10.72 V C57
2018-11-16 09:44:39 s 1 +144740.56 9 +71202.620 4300.0 C57
2018-11-17 01:44:39 S 04 30 24.245 -43 39 34.52 V C57
2018-11-17 01:44:39 s 1 +143630.63 3 +154337.71 0.365 C57
2018-11-17 02:14:39 S 04 30 19.514 -43 41 32.21 V C57
2018-11-17 02:14:39 s 1 +143297.45 3 +156678.77 0.333 C57
2018-11-17 06:44:39 S 04 29 32.182 -44 00 56.88 V C57
2018-11-17 06:44:39 s 1 +139697.06 2 +177061.22 0.503 C57
2018-11-17 07:14:39 S 04 29 27.127 -44 02 59.21 V C57
2018-11-17 07:14:39 s 1 +139234.78 5 +179250.47 0.268 C57
2018-11-17 09:44:39 S 04 29 01.591 -44 13 18.73 V C57
2018-11-17 09:44:39 s 1 +136753.92 5 +189974.18 0.522 C57
2018-11-17 12:44:39 S 04 28 30.754 -44 25 23.41 V C57
2018-11-17 12:44:39 s 1 +133430.88 3 +202360.28 0.312 C57
2018-11-18 08:44:39 S 04 25 05.086 -45 41 35.81 V C57
2018-11-18 08:44:39 s 1 +104078.55 3 +272354.27 5310.0 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)