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
2018-11-19 23:14:39 s 1 +29375.982 0 +353972.16 5270.0 C57
2018-11-19 23:44:39 S 04 18 50.129 -47 44 52.48 V C57
2018-11-19 23:44:39 s 1 +28336.787 0 +354625.44 1420.0 C57
2018-11-20 01:44:39 S 04 18 31.433 -47 50 33.50 V C57
2018-11-20 01:44:39 s 1 +24172.897 0 +357141.01 2290.0 C57
2018-11-20 02:14:39 S 04 18 27.012 -47 51 54.83 V C57
2018-11-20 02:14:39 s 1 +23130.304 0 +357745.62 7620.0 C57
2018-11-20 02:44:39 S 04 18 22.490 -47 53 19.03 V C57
2018-11-20 02:44:39 s 1 +22087.125 0 +358340.55 7390.0 C57
2018-11-20 04:14:39 S 04 18 08.796 -47 57 27.14 V C57
2018-11-20 04:14:39 s 1 +18954.377 0 +360067.45 5390.0 C57
2018-11-20 04:44:39 S 04 18 04.246 -47 58 51.06 V C57
2018-11-20 04:44:39 s 1 +17909.158 0 +360623.85 4940.0 C57
2018-11-20 05:14:39 S 04 17 59.945 -48 00 07.99 V C57
2018-11-20 05:14:39 s 1 +16863.504 0 +361170.66 9920.0 C57
2018-11-20 06:44:39 S 04 17 45.994 -48 04 18.16 V C57
2018-11-20 06:44:39 s 1 +13724.229 0 +362753.72 9400.0 C57
2018-11-20 07:14:39 S 04 17 41.647 -48 05 37.72 V C57
2018-11-20 07:14:39 s 1 +12677.130 0 +363262.34 8030.0 C57
2018-11-20 07:44:39 S 04 17 37.306 -48 06 57.20 V C57
2018-11-20 07:44:39 s 1 +11629.742 0 +363761.45 3040.0 C57
2018-11-20 08:14:39 S 04 17 32.815 -48 08 13.49 V C57
2018-11-20 08:14:39 s 1 +10582.095 0 +364251.08 4630.0 C57
2018-11-20 09:14:39 S 04 17 23.249 -48 11 09.24 V C57
2018-11-20 09:44:39 S 04 17 19.162 -48 12 20.30 V C57
2018-11-20 10:14:39 S 04 17 15.014 -48 13 35.15 V C57
2018-11-20 10:44:39 S 04 17 10.565 -48 14 53.09 V C57
2018-11-20 11:14:39 S 04 17 05.556 -48 16 20.93 V C57
2018-11-20 12:14:39 S 04 16 56.645 -48 19 00.08 V C57
2018-11-20 12:44:39 S 04 16 52.560 -48 20 13.56 V C57
2018-11-20 13:14:39 S 04 16 48.252 -48 21 29.20 V C57
2018-11-20 13:44:39 S 04 16 43.795 -48 22 50.63 V C57
2018-11-20 14:44:39 S 04 16 34.442 -48 25 30.25 V C57
2018-11-20 15:14:39 S 04 16 30.701 -48 26 41.64 V C57
2018-11-20 15:44:39 S 04 16 26.011 -48 27 59.04 V C57
2018-11-20 16:14:39 S 04 16 21.818 -48 29 17.02 V C57
2018-11-20 17:14:39 S 04 16 12.334 -48 31 59.84 V C57
2018-11-20 18:44:39 S 04 16 00.022 -48 35 38.98 V C57
2018-11-20 18:44:39 s 1 -11429.451 0 +372366.80 1030.0 C57
2018-11-20 20:14:39 S 04 15 46.884 -48 39 24.98 V C57
2018-11-20 20:14:39 s 1 -14567.619 0 +373192.56 4760.0 C57
2018-11-20 20:44:39 S 04 15 42.696 -48 40 37.85 V C57
2018-11-20 20:44:39 s 1 -15612.889 0 +373449.47 7480.0 C57
2018-11-20 21:14:39 S 04 15 38.669 -48 41 48.34 V C57
2018-11-20 21:14:39 s 1 -16657.724 0 +373697.24 1210.0 C57
2018-11-20 21:44:39 S 04 15 33.994 -48 43 08.40 V C57
2018-11-20 21:44:39 s 1 -17702.099 0 +373935.86 6100.0 C57
2018-11-20 22:14:39 S 04 15 29.398 -48 44 19.57 V C57
2018-11-20 22:14:39 s 1 -18745.987 0 +374165.36 2310.0 C57
2018-11-20 22:44:39 S 04 15 25.030 -48 45 41.54 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)