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
2018-11-18 09:14:39 S 04 25 00.156 -45 43 21.40 V C57
2018-11-18 09:14:39 s 1 +103223.27 3 +273840.75 4810.0 C57
2018-11-18 09:44:39 S 04 24 55.478 -45 44 59.68 V C57
2018-11-18 09:44:39 s 1 +102363.42 0 +275315.06 2460.0 C57
2018-11-18 11:44:39 S 04 24 35.436 -45 52 00.88 V C57
2018-11-18 11:44:39 s 1 +98879.835 0 +281091.56 4860.0 C57
2018-11-18 15:14:39 S 04 24 00.516 -46 04 06.71 V C57
2018-11-18 15:14:39 s 1 +92625.008 0 +290742.17 7800.0 C57
2018-11-18 17:14:39 S 04 23 40.574 -46 10 54.41 V C57
2018-11-18 17:14:39 s 1 +88967.943 0 +295999.49 880.0 C57
2018-11-18 17:44:39 S 04 23 36.007 -46 12 30.20 V C57
2018-11-18 17:44:39 s 1 +88044.919 0 +297284.98 4600.0 C57
2018-11-18 18:14:39 S 04 23 31.373 -46 14 04.67 V C57
2018-11-18 18:14:39 s 1 +87118.519 0 +298559.00 4330.0 C57
2018-11-18 19:44:39 S 04 23 15.842 -46 19 19.70 V C57
2018-11-18 19:44:39 s 1 +84319.669 0 +302312.71 3600.0 C57
2018-11-18 20:14:39 S 04 23 11.249 -46 20 52.80 V C57
2018-11-18 20:14:39 s 1 +83380.368 0 +303541.28 1370.0 C57
2018-11-18 20:44:39 S 04 23 06.514 -46 22 28.88 V C57
2018-11-18 20:44:39 s 1 +82437.989 0 +304758.57 7120.0 C57
2018-11-18 21:14:39 S 04 23 01.951 -46 24 10.55 V C57
2018-11-18 21:14:39 s 1 +81492.590 0 +305964.63 1230.0 C57
2018-11-18 22:14:39 S 04 22 51.300 -46 27 37.08 V C57
2018-11-18 22:14:39 s 1 +79592.955 0 +308343.17 6030.0 C57
2018-11-18 22:44:39 S 04 22 46.685 -46 29 10.93 V C57
2018-11-18 22:44:39 s 1 +78638.830 0 +309515.72 7450.0 C57
2018-11-18 23:14:39 S 04 22 42.079 -46 30 42.98 V C57
2018-11-18 23:14:39 s 1 +77681.907 0 +310677.18 8690.0 C57
2018-11-18 23:44:39 S 04 22 37.488 -46 32 13.49 V C57
2018-11-18 23:44:39 s 1 +76722.238 0 +311827.58 130.0 C57
2018-11-19 00:44:39 S 04 22 26.779 -46 35 51.07 V C57
2018-11-19 00:44:39 s 1 +74794.877 0 +314095.32 4930.0 C57
2018-11-19 01:14:39 S 04 22 22.320 -46 37 14.95 V C57
2018-11-19 01:14:39 s 1 +73827.288 0 +315212.73 9000.0 C57
2018-11-19 01:44:39 S 04 22 17.678 -46 38 48.44 V C57
2018-11-19 01:44:39 s 1 +72857.161 0 +316319.22 4620.0 C57
2018-11-19 02:14:39 S 04 22 12.886 -46 40 24.10 V C57
2018-11-19 02:14:39 s 1 +71884.548 0 +317414.80 2130.0 C57
2018-11-19 03:44:39 S 04 21 58.289 -46 45 11.34 V C57
2018-11-19 03:44:39 s 1 +68952.279 0 +320636.50 9290.0 C57
2018-11-19 04:14:39 S 04 21 53.501 -46 46 44.94 V C57
2018-11-19 04:14:39 s 1 +67970.208 0 +321688.82 7630.0 C57
2018-11-19 04:44:39 S 04 21 48.677 -46 48 20.41 V C57
2018-11-19 04:44:39 s 1 +66985.892 0 +322730.40 9460.0 C57
2018-11-19 05:14:39 S 04 21 43.968 -46 49 49.22 V C57
2018-11-19 05:14:39 s 1 +65999.378 0 +323761.27 5100.0 C57
2018-11-19 06:14:39 S 04 21 33.492 -46 53 02.94 V C57
2018-11-19 06:14:39 s 1 +64019.941 0 +325791.00 9020.0 C57
2018-11-19 07:14:39 S 04 21 24.638 -46 56 09.10 V C57
2018-11-19 07:14:39 s 1 +62032.260 0 +327778.26 1800.0 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)