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 10:24:05 S 10 04 14.254 -08 00 05.94 V C57
2021-02-18 10:24:05 s 1 -171805.39 9 +291905.46 8210.0 C57
2021-02-18 10:34:05 S 10 04 12.895 -08 00 06.12 V C57
2021-02-18 10:34:05 s 1 -172029.19 0 +291479.34 760.0 C57
2021-02-18 10:44:05 S 10 04 11.712 -08 00 06.26 V C57
2021-02-18 10:44:05 s 1 -172252.36 1 +291052.15 2190.0 C57
2021-02-18 10:54:05 S 10 04 10.334 -08 00 08.71 V C57
2021-02-18 10:54:05 s 1 -172474.90 8 +290623.90 2490.0 C57
2021-02-18 11:14:06 S 10 04 07.404 -08 00 08.46 V C57
2021-02-18 11:14:06 s 1 -172918.12 5 +289764.16 9690.0 C57
2021-02-18 11:24:05 S 10 04 06.209 -08 00 07.81 V C57
2021-02-18 11:24:05 s 1 -173138.79 0 +289332.68 6580.0 C57
2021-02-18 11:34:05 S 10 04 05.102 -08 00 06.95 V C57
2021-02-18 11:34:05 s 1 -173358.82 3 +288900.13 2330.0 C57
2021-02-18 11:44:05 S 10 04 03.689 -08 00 08.14 V C57
2021-02-18 11:44:05 s 1 -173578.22 1 +288466.50 6930.0 C57
2021-02-18 11:54:05 S 10 04 02.263 -08 00 10.80 V C57
2021-02-18 11:54:05 s 1 -173796.98 3 +288031.79 370.0 C57
2021-02-18 12:04:05 S 10 04 00.936 -08 00 10.19 V C57
2021-02-18 12:04:05 s 1 -174015.10 6 +287596.00 2660.0 C57
2021-02-18 12:14:05 S 10 03 59.618 -08 00 10.87 V C57
2021-02-18 12:14:05 s 1 -174232.58 8 +287159.14 3780.0 C57
2021-02-18 12:24:05 S 10 03 58.226 -08 00 13.14 V C57
2021-02-18 12:24:05 s 1 -174449.42 7 +286721.20 3740.0 C57
2021-02-18 12:34:05 S 10 03 56.921 -08 00 12.60 V C57
2021-02-18 12:34:05 s 1 -174665.62 0 +286282.17 2530.0 C57
2021-02-18 12:44:06 S 10 03 55.596 -08 00 12.92 V C57
2021-02-18 12:44:06 s 1 -174881.16 4 +285842.07 140.0 C57
2021-02-18 12:54:05 S 10 03 54.218 -08 00 14.54 V C57
2021-02-18 12:54:05 s 1 -175096.05 8 +285400.89 6570.0 C57
2021-02-18 13:04:05 S 10 03 52.879 -08 00 13.86 V C57
2021-02-18 13:04:05 s 1 -175310.29 9 +284958.62 1820.0 C57
2021-02-18 13:14:05 S 10 03 51.499 -08 00 14.65 V C57
2021-02-18 13:14:05 s 1 -175523.88 5 +284515.27 5880.0 C57
2021-02-18 13:24:05 S 10 03 50.201 -08 00 15.05 V C57
2021-02-18 13:24:05 s 1 -175736.81 4 +284070.83 8750.0 C57
2021-02-18 13:34:05 S 10 03 48.830 -08 00 15.41 V C57
2021-02-18 13:34:05 s 1 -175949.08 2 +283625.31 420.0 C57
2021-02-18 13:44:05 S 10 03 47.510 -08 00 16.99 V C57
2021-02-18 13:44:05 s 1 -176160.68 8 +283178.71 880.0 C57
2021-02-18 13:54:05 S 10 03 46.094 -08 00 16.42 V C57
2021-02-18 13:54:05 s 1 -176371.63 0 +282731.02 140.0 C57
2021-02-18 14:04:05 S 10 03 44.786 -08 00 15.88 V C57
2021-02-18 14:04:05 s 1 -176581.90 4 +282282.24 8190.0 C57
2021-02-18 14:14:06 S 10 03 43.390 -08 00 18.25 V C57
2021-02-18 14:14:06 s 1 -176791.50 8 +281832.37 5030.0 C57
2021-02-18 14:24:05 S 10 03 42.036 -08 00 17.10 V C57
2021-02-18 14:24:05 s 1 -177000.44 1 +281381.42 640.0 C57
2021-02-18 14:34:05 S 10 03 40.692 -08 00 17.82 V C57
2021-02-18 14:34:05 s 1 -177208.69 9 +280929.37 5030.0 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)