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
2021-02-17 22:41:56 C 10 03 37.15 -07 49 52.8 V 204
2021-02-17 22:44:05 S 10 05 41.954 -07 59 17.70 V C57
2021-02-17 22:44:05 s 1 -154720.35 1 +319114.06 240.0 C57
2021-02-17 22:46:02 C 10 03 36.70 -07 49 52.9 V 204
2021-02-17 22:50:09 C 10 03 36.26 -07 49 52.7 V 204
2021-02-17 22:54:05 S 10 05 40.824 -07 59 19.25 V C57
2021-02-17 22:54:05 s 1 -154982.58 4 +318761.19 1950.0 C57
2021-02-17 23:04:05 S 10 05 39.718 -07 59 16.04 V C57
2021-02-17 23:04:05 s 1 -155244.33 1 +318407.30 2800.0 C57
2021-02-17 23:14:06 S 10 05 38.465 -07 59 19.75 V C57
2021-02-17 23:14:06 s 1 -155505.59 1 +318052.39 2780.0 C57
2021-02-17 23:24:05 S 10 05 37.236 -07 59 20.36 V C57
2021-02-17 23:24:05 s 1 -155766.36 2 +317696.45 1880.0 C57
2021-02-17 23:34:06 S 10 05 36.132 -07 59 19.57 V C57
2021-02-17 23:34:06 s 1 -156026.64 2 +317339.48 100.0 C57
2021-02-17 23:44:05 S 10 05 34.872 -07 59 21.91 V C57
2021-02-17 23:44:05 s 1 -156286.43 0 +316981.49 7450.0 C57
2021-02-17 23:54:06 S 10 05 33.684 -07 59 22.27 V C57
2021-02-17 23:54:06 s 1 -156545.72 3 +316622.47 3910.0 C57
2021-02-18 00:04:05 S 10 05 32.470 -07 59 21.95 V C57
2021-02-18 00:04:05 s 1 -156804.52 1 +316262.42 9480.0 C57
2021-02-18 00:14:05 S 10 05 31.222 -07 59 23.75 V C57
2021-02-18 00:14:05 s 1 -157062.82 1 +315901.34 4160.0 C57
2021-02-18 00:24:05 S 10 05 30.103 -07 59 25.01 V C57
2021-02-18 00:24:05 s 1 -157320.62 2 +315539.24 7950.0 C57
2021-02-18 00:34:05 S 10 05 28.865 -07 59 25.08 V C57
2021-02-18 00:34:05 s 1 -157577.92 2 +315176.10 840.0 C57
2021-02-18 00:44:06 S 10 05 27.679 -07 59 27.13 V C57
2021-02-18 00:44:06 s 1 -157834.72 0 +314811.93 2830.0 C57
2021-02-18 00:54:05 S 10 05 26.448 -07 59 27.85 V C57
2021-02-18 00:54:05 s 1 -158091.01 2 +314446.74 3920.0 C57
2021-02-18 01:04:06 S 10 05 25.210 -07 59 26.92 V C57
2021-02-18 01:04:06 s 1 -158346.79 9 +314080.51 4100.0 C57
2021-02-18 01:14:05 S 10 05 23.981 -07 59 29.00 V C57
2021-02-18 01:14:05 s 1 -158602.07 7 +313713.25 3370.0 C57
2021-02-18 01:24:06 S 10 05 22.807 -07 59 30.37 V C57
2021-02-18 01:24:06 s 1 -158856.84 5 +313344.95 1730.0 C57
2021-02-18 01:34:05 S 10 05 21.518 -07 59 31.16 V C57
2021-02-18 01:34:05 s 1 -159111.10 2 +312975.63 9170.0 C57
2021-02-18 01:44:05 S 10 05 20.309 -07 59 33.14 V C57
2021-02-18 01:44:05 s 1 -159364.84 6 +312605.27 5690.0 C57
2021-02-18 01:54:05 S 10 05 19.118 -07 59 31.20 V C57
2021-02-18 01:54:05 s 1 -159618.07 4 +312233.87 1290.0 C57
2021-02-18 02:04:05 S 10 05 17.935 -07 59 31.31 V C57
2021-02-18 02:04:05 s 1 -159870.78 6 +311861.44 5960.0 C57
2021-02-18 02:14:06 S 10 05 16.622 -07 59 34.15 V C57
2021-02-18 02:14:06 s 1 -160122.97 8 +311487.97 9700.0 C57
2021-02-18 02:24:05 S 10 05 15.406 -07 59 33.43 V C57
2021-02-18 02:24:05 s 1 -160374.65 0 +311113.47 2500.0 C57
2021-02-18 02:34:06 S 10 05 14.160 -07 59 33.43 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)