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
2021-02-18 14:44:05 S 10 03 39.331 -08 00 19.40 V C57
2021-02-18 14:44:05 s 1 -177416.28 0 +280476.23 8180.0 C57
2021-02-18 14:54:05 S 10 03 37.994 -08 00 18.43 V C57
2021-02-18 14:54:05 s 1 -177623.18 2 +280022.00 110.0 C57
2021-02-18 15:04:05 S 10 03 36.583 -08 00 19.37 V C57
2021-02-18 15:04:05 s 1 -177829.40 2 +279566.68 790.0 C57
2021-02-18 15:14:05 S 10 03 35.167 -08 00 21.46 V C57
2021-02-18 15:14:05 s 1 -178034.93 8 +279110.27 230.0 C57
2021-02-18 15:24:05 S 10 03 33.782 -08 00 21.56 V C57
2021-02-18 15:24:05 s 1 -178239.78 6 +278652.76 8420.0 C57
2021-02-18 15:34:05 S 10 03 32.395 -08 00 21.02 V C57
2021-02-18 15:34:05 s 1 -178443.94 5 +278194.16 5360.0 C57
2021-02-18 15:35:53 C 10 01 50.14 -07 48 20.7 V Q62
2021-02-18 15:38:28 C 10 01 49.81 -07 48 20.9 V Q62
2021-02-18 15:41:06 C 10 01 49.49 -07 48 20.7 V Q62
2021-02-18 15:44:06 S 10 03 31.032 -08 00 20.27 V C57
2021-02-18 15:44:06 s 1 -178647.41 3 +277734.46 1040.0 C57
2021-02-18 15:54:05 S 10 03 29.695 -08 00 19.91 V C57
2021-02-18 15:54:05 s 1 -178850.18 6 +277273.67 5460.0 C57
2021-02-18 16:04:05 S 10 03 28.262 -08 00 23.26 V C57
2021-02-18 16:04:05 s 1 -179052.26 2 +276811.77 8610.0 C57
2021-02-18 16:14:05 S 10 03 26.914 -08 00 21.78 V C57
2021-02-18 16:14:05 s 1 -179253.63 8 +276348.78 490.0 C57
2021-02-18 16:24:05 S 10 03 25.486 -08 00 22.54 V C57
2021-02-18 16:24:05 s 1 -179454.31 2 +275884.69 1090.0 C57
2021-02-18 16:34:05 S 10 03 24.139 -08 00 24.62 V C57
2021-02-18 16:34:05 s 1 -179654.28 2 +275419.50 400.0 C57
2021-02-18 16:44:05 S 10 03 22.709 -08 00 23.54 V C57
2021-02-18 16:44:05 s 1 -179853.54 4 +274953.21 8430.0 C57
2021-02-18 16:54:05 S 10 03 21.382 -08 00 24.30 V C57
2021-02-18 16:54:05 s 1 -180052.09 6 +274485.82 5170.0 C57
2021-02-18 17:04:05 S 10 03 19.886 -08 00 25.56 V C57
2021-02-18 17:04:05 s 1 -180249.93 6 +274017.32 610.0 C57
2021-02-18 17:14:05 S 10 03 18.641 -08 00 24.66 V C57
2021-02-18 17:14:05 s 1 -180447.06 0 +273547.73 4750.0 C57
2021-02-18 17:24:05 S 10 03 17.131 -08 00 25.49 V C57
2021-02-18 17:24:05 s 1 -180643.46 7 +273077.02 7580.0 C57
2021-02-18 17:34:05 S 10 03 15.641 -08 00 26.03 V C57
2021-02-18 17:34:05 s 1 -180839.15 3 +272605.21 9100.0 C57
2021-02-18 17:44:05 S 10 03 14.294 -08 00 24.80 V C57
2021-02-18 17:44:05 s 1 -181034.11 6 +272132.30 9310.0 C57
2021-02-18 17:54:05 S 10 03 12.893 -08 00 25.99 V C57
2021-02-18 17:54:05 s 1 -181228.35 3 +271658.27 8190.0 C57
2021-02-18 18:04:05 S 10 03 11.417 -08 00 27.29 V C57
2021-02-18 18:04:05 s 1 -181421.86 2 +271183.14 5740.0 C57
2021-02-18 18:14:05 S 10 03 10.078 -08 00 26.57 V C57
2021-02-18 18:14:05 s 1 -181614.63 9 +270706.90 1960.0 C57
2021-02-18 18:24:05 S 10 03 08.652 -08 00 27.97 V C57
2021-02-18 18:24:05 s 1 -181806.68 3 +270229.55 6840.0 C57
2021-02-18 18:34:05 S 10 03 07.267 -08 00 27.18 V 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)