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
2021-02-14 05:54:06 S 10 12 59.710 -07 46 30.50 V C57
2021-02-14 05:54:06 s 1 +23138.149 0 +367754.21 4860.0 C57
2021-02-14 06:04:06 S 10 12 59.126 -07 46 30.58 V C57
2021-02-14 06:04:06 s 1 +22780.346 0 +367926.36 5670.0 C57
2021-02-14 06:14:06 S 10 12 58.615 -07 46 30.07 V C57
2021-02-14 06:14:06 s 1 +22422.464 0 +368097.46 6240.0 C57
2021-02-14 06:24:06 S 10 12 58.039 -07 46 34.57 V C57
2021-02-14 06:24:06 s 1 +22064.504 0 +368267.50 6590.0 C57
2021-02-14 06:34:06 S 10 12 57.581 -07 46 34.75 V C57
2021-02-14 06:34:06 s 1 +21706.468 0 +368436.48 6700.0 C57
2021-02-14 06:44:06 S 10 12 56.995 -07 46 37.49 V C57
2021-02-14 06:44:06 s 1 +21348.356 0 +368604.40 6580.0 C57
2021-02-14 06:54:06 S 10 12 56.400 -07 46 39.14 V C57
2021-02-14 06:54:06 s 1 +20990.169 0 +368771.27 6240.0 C57
2021-02-14 07:04:06 S 10 12 56.107 -07 46 40.22 V C57
2021-02-14 07:04:06 s 1 +20631.909 0 +368937.09 5670.0 C57
2021-02-14 07:34:06 S 10 12 54.475 -07 46 45.52 V C57
2021-02-14 07:34:06 s 1 +19556.700 0 +369428.21 2650.0 C57
2021-02-14 07:44:06 S 10 12 54.086 -07 46 45.19 V C57
2021-02-14 07:44:06 s 1 +19198.158 0 +369589.81 1210.0 C57
2021-02-14 07:54:06 S 10 12 53.402 -07 46 48.65 V C57
2021-02-14 07:54:06 s 1 +18839.547 0 +369750.37 9550.0 C57
2021-02-14 08:04:06 S 10 12 52.882 -07 46 53.08 V C57
2021-02-14 08:04:06 s 1 +18480.870 0 +369909.87 7680.0 C57
2021-02-14 08:14:06 S 10 12 52.162 -07 46 55.96 V C57
2021-02-14 08:14:06 s 1 +18122.127 0 +370068.32 5610.0 C57
2021-02-14 08:34:06 S 10 12 51.293 -07 46 56.75 V C57
2021-02-14 08:34:06 s 1 +17404.447 0 +370382.07 840.0 C57
2021-02-14 08:44:06 S 10 12 50.676 -07 46 58.87 V C57
2021-02-14 08:44:06 s 1 +17045.512 0 +370537.38 8150.0 C57
2021-02-14 08:54:06 S 10 12 50.059 -07 47 00.92 V C57
2021-02-14 08:54:06 s 1 +16686.516 0 +370691.64 5260.0 C57
2021-02-14 09:04:06 S 10 12 49.522 -07 47 02.40 V C57
2021-02-14 09:04:06 s 1 +16327.460 0 +370844.86 2170.0 C57
2021-02-14 09:14:06 S 10 12 49.075 -07 47 05.35 V C57
2021-02-14 09:14:06 s 1 +15968.344 0 +370997.02 8890.0 C57
2021-02-14 09:24:06 S 10 12 48.634 -07 47 04.60 V C57
2021-02-14 09:24:06 s 1 +15609.170 0 +371148.15 5410.0 C57
2021-02-14 09:34:06 S 10 12 47.981 -07 47 09.35 V C57
2021-02-14 09:34:06 s 1 +15249.938 0 +371298.23 1740.0 C57
2021-02-14 09:44:06 S 10 12 47.357 -07 47 11.83 V C57
2021-02-14 09:44:06 s 1 +14890.650 0 +371447.26 7880.0 C57
2021-02-14 09:54:06 S 10 12 46.843 -07 47 13.99 V C57
2021-02-14 09:54:06 s 1 +14531.306 0 +371595.26 3830.0 C57
2021-02-14 10:04:06 S 10 12 46.471 -07 47 14.03 V C57
2021-02-14 10:04:06 s 1 +14171.909 0 +371742.21 9600.0 C57
2021-02-14 10:14:06 S 10 12 45.806 -07 47 15.68 V C57
2021-02-14 10:14:06 s 1 +13812.458 0 +371888.12 5180.0 C57
2021-02-14 10:24:06 S 10 12 45.360 -07 47 17.05 V C57
2021-02-14 10:24:06 s 1 +13452.955 0 +372032.99 580.0 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)