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
2021-02-26 13:54:05 S 09 14 38.138 -06 28 59.95 V C57
2021-02-26 13:54:05 s 1 +69681.660 0 +340190.29 650.0 C57
2021-02-26 14:14:05 S 09 14 24.480 -06 28 36.34 V C57
2021-02-26 14:14:05 s 1 +68986.318 0 +340774.34 9560.0 C57
2021-02-26 14:24:05 S 09 14 16.872 -06 28 25.43 V C57
2021-02-26 14:24:05 s 1 +68638.294 0 +341064.60 3220.0 C57
2021-02-26 14:34:05 S 09 14 09.202 -06 28 13.04 V C57
2021-02-26 14:34:05 s 1 +68290.036 0 +341353.69 6350.0 C57
2021-02-26 14:44:05 S 09 14 02.491 -06 28 00.88 V C57
2021-02-26 14:44:05 s 1 +67941.545 0 +341641.61 8960.0 C57
2021-02-26 14:54:05 S 09 13 54.410 -06 27 49.10 V C57
2021-02-26 14:54:05 s 1 +67592.825 0 +341928.36 1040.0 C57
2021-02-26 15:04:05 S 09 13 47.350 -06 27 37.37 V C57
2021-02-26 15:04:05 s 1 +67243.875 0 +342213.94 2610.0 C57
2021-02-26 15:14:05 S 09 13 39.958 -06 27 25.78 V C57
2021-02-26 15:14:05 s 1 +66894.698 0 +342498.35 3660.0 C57
2021-02-26 15:24:05 S 09 13 32.482 -06 27 13.68 V C57
2021-02-26 15:24:05 s 1 +66545.296 0 +342781.60 4200.0 C57
2021-02-26 15:34:05 S 09 13 25.238 -06 27 01.66 V C57
2021-02-26 15:34:05 s 1 +66195.670 0 +343063.68 4220.0 C57
2021-02-26 15:44:05 S 09 13 17.741 -06 26 49.70 V C57
2021-02-26 15:44:05 s 1 +65845.821 0 +343344.60 3750.0 C57
2021-02-26 15:54:05 S 09 13 10.332 -06 26 37.14 V C57
2021-02-26 15:54:05 s 1 +65495.751 0 +343624.35 2770.0 C57
2021-02-26 16:04:05 S 09 13 02.585 -06 26 25.66 V C57
2021-02-26 16:04:05 s 1 +65145.462 0 +343902.94 1290.0 C57
2021-02-26 16:14:05 S 09 12 55.099 -06 26 12.66 V C57
2021-02-26 16:14:05 s 1 +64794.956 0 +344180.37 9310.0 C57
2021-02-26 16:24:05 S 09 12 47.861 -06 26 01.18 V C57
2021-02-26 16:24:05 s 1 +64444.233 0 +344456.64 6840.0 C57
2021-02-26 16:34:05 S 09 12 39.919 -06 25 47.75 V C57
2021-02-26 16:34:05 s 1 +64093.295 0 +344731.75 3880.0 C57
2021-02-26 16:44:05 S 09 12 32.352 -06 25 35.72 V C57
2021-02-26 16:44:05 s 1 +63742.145 0 +345005.70 430.0 C57
2021-02-26 16:54:05 S 09 12 24.694 -06 25 23.41 V C57
2021-02-26 16:54:05 s 1 +63390.783 0 +345278.50 6500.0 C57
2021-02-26 17:14:05 S 09 12 09.365 -06 24 58.32 V C57
2021-02-26 17:14:05 s 1 +62687.431 0 +345820.63 7190.0 C57
2021-02-26 17:24:05 S 09 12 01.817 -06 24 46.15 V C57
2021-02-26 17:24:05 s 1 +62335.443 0 +346089.96 1820.0 C57
2021-02-26 17:54:05 S 09 11 38.772 -06 24 07.85 V C57
2021-02-26 17:54:05 s 1 +61278.255 0 +346891.05 2890.0 C57
2021-02-26 18:04:05 S 09 11 31.039 -06 23 55.50 V C57
2021-02-26 18:04:05 s 1 +60925.455 0 +347155.78 5640.0 C57
2021-02-26 18:14:05 S 09 11 23.050 -06 23 42.54 V C57
2021-02-26 18:14:05 s 1 +60572.456 0 +347419.36 7940.0 C57
2021-02-26 18:24:05 S 09 11 15.286 -06 23 30.08 V C57
2021-02-26 18:24:05 s 1 +60219.259 0 +347681.79 9780.0 C57
2021-02-26 18:34:05 S 09 11 07.627 -06 23 17.52 V C57
2021-02-26 18:34:05 s 1 +59865.866 0 +347943.08 1170.0 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)