612098 (1999 RM45)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6446923321 ± 1.04e-08
Semi-major axis (a)1.6832556829 AU ± 1.60e-09
Inclination (i)10.89138239° ± 2.01e-06
Long. of Asc. Node (Ω)162.56830464° ± 8.09e-07
Arg. of Perihelion (ω)89.00797597° ± 2.15e-06
Mean Anomaly (M)35.89941979° ± 1.10e-06
Mean Motion (n)0.4513226631°/day ± 6.43e-10
Perihelion dist (q)0.59807365 AU ± 1.74e-08
Aphelion dist (Q)2.76843771 AU ± 1.76e-08
Orbital Period2.18386171 yr ± 3.11e-09
Physical Parameters
H (abs. magnitude)19.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.360″
Uncertainty0
Orbit TypeApollo
MOID0.004195 AU
Observations Used1680
Radar Obs Used2
Oppositions12
Arc Total1999-2023
First Observation Used1999-09-14
Last Observation Used2023-10-17
Observations (2604)
Date Type RA Dec Mag Band Observatory
2021-02-19 11:24:05 S 10 00 33.379 -08 00 31.46 V C57
2021-02-19 11:24:05 s 1 -196971.64 0 +215530.59 3040.0 C57
2021-02-19 11:34:05 S 10 00 31.771 -08 00 32.22 V C57
2021-02-19 11:34:05 s 1 -197070.54 8 +214933.52 6920.0 C57
2021-02-19 11:44:05 S 10 00 30.106 -08 00 31.79 V C57
2021-02-19 11:44:05 s 1 -197168.34 5 +214335.24 8760.0 C57
2021-02-19 11:54:05 S 10 00 28.442 -08 00 31.93 V C57
2021-02-19 11:54:05 s 1 -197265.02 8 +213735.73 8540.0 C57
2021-02-19 12:04:05 S 10 00 26.806 -08 00 31.72 V C57
2021-02-19 12:04:05 s 1 -197360.59 2 +213135.01 6250.0 C57
2021-02-19 12:14:05 S 10 00 25.217 -08 00 29.45 V C57
2021-02-19 12:14:05 s 1 -197455.03 2 +212533.06 1890.0 C57
2021-02-19 12:24:05 S 10 00 23.491 -08 00 30.96 V C57
2021-02-19 12:24:05 s 1 -197548.34 2 +211929.88 5430.0 C57
2021-02-19 12:34:05 S 10 00 21.876 -08 00 29.27 V C57
2021-02-19 12:34:05 s 1 -197640.51 9 +211325.48 6880.0 C57
2021-02-19 12:44:05 S 10 00 20.206 -08 00 30.02 V C57
2021-02-19 12:44:05 s 1 -197731.55 6 +210719.86 6230.0 C57
2021-02-19 12:54:05 S 10 00 18.598 -08 00 29.52 V C57
2021-02-19 12:54:05 s 1 -197821.54 4 +210113.10 3230.0 C57
2021-02-19 13:04:05 S 10 00 16.999 -08 00 28.08 V C57
2021-02-19 13:04:05 s 1 -197914.37 3 +209509.25 8290.0 C57
2021-02-19 13:14:05 S 10 00 15.300 -08 00 29.41 V C57
2021-02-19 13:14:05 s 1 -198001.76 4 +208899.73 1780.0 C57
2021-02-19 13:24:05 S 10 00 13.536 -08 00 28.58 V C57
2021-02-19 13:24:05 s 1 -198088.20 5 +208289.20 2620.0 C57
2021-02-19 13:34:05 S 10 00 11.950 -08 00 27.54 V C57
2021-02-19 13:34:05 s 1 -198173.48 4 +207677.44 1290.0 C57
2021-02-19 13:44:05 S 10 00 10.224 -08 00 27.83 V C57
2021-02-19 13:44:05 s 1 -198257.59 4 +207064.44 7810.0 C57
2021-02-19 13:54:05 S 10 00 08.664 -08 00 26.53 V C57
2021-02-19 13:54:05 s 1 -198340.52 9 +206450.21 2150.0 C57
2021-02-19 14:04:05 S 10 00 06.883 -08 00 27.58 V C57
2021-02-19 14:04:05 s 1 -198422.28 6 +205834.74 4320.0 C57
2021-02-19 14:14:05 S 10 00 05.280 -08 00 26.71 V C57
2021-02-19 14:14:05 s 1 -198502.85 7 +205218.04 4280.0 C57
2021-02-19 14:24:05 S 10 00 03.607 -08 00 25.99 V C57
2021-02-19 14:24:05 s 1 -198582.23 9 +204600.10 2050.0 C57
2021-02-19 14:34:05 S 10 00 01.934 -08 00 25.52 V C57
2021-02-19 14:34:05 s 1 -198660.42 6 +203980.92 7610.0 C57
2021-02-19 14:44:05 S 10 00 00.216 -08 00 23.98 V C57
2021-02-19 14:44:05 s 1 -198737.41 2 +203360.49 940.0 C57
2021-02-19 14:54:05 S 09 59 58.452 -08 00 25.92 V C57
2021-02-19 14:54:05 s 1 -198813.19 2 +202738.83 2040.0 C57
2021-02-19 15:04:05 S 09 59 56.899 -08 00 22.79 V C57
2021-02-19 15:04:05 s 1 -198887.76 1 +202115.92 890.0 C57
2021-02-19 15:24:05 S 09 59 53.455 -08 00 23.04 V C57
2021-02-19 15:24:05 s 1 -199033.24 5 +200866.37 1840.0 C57
2021-02-19 15:34:05 S 09 59 51.766 -08 00 21.53 V C57
2021-02-19 15:34:05 s 1 -199104.14 8 +200239.73 3900.0 C57
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2021-02-28 05:50:00 35636974 1 us 8560 -14 -14
2021-03-01 06:00:00 26679641.447 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)