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
2021-02-20 10:14:05 s 1 -197657.30 4 +121897.52 3360.0 C57
2021-02-20 10:24:05 S 09 56 24.550 -07 58 27.73 V C57
2021-02-20 10:24:05 s 1 -197542.70 4 +121123.19 9080.0 C57
2021-02-20 10:34:05 S 09 56 22.663 -07 58 24.60 V C57
2021-02-20 10:34:05 s 1 -197425.91 3 +120347.52 670.0 C57
2021-02-20 10:44:05 S 09 56 20.640 -07 58 25.07 V C57
2021-02-20 10:44:05 s 1 -197306.91 8 +119570.50 8120.0 C57
2021-02-20 10:54:05 S 09 56 18.686 -07 58 22.69 V C57
2021-02-20 10:54:05 s 1 -197185.70 6 +118792.13 1410.0 C57
2021-02-20 11:04:05 S 09 56 16.714 -07 58 20.96 V C57
2021-02-20 11:04:05 s 1 -197062.26 4 +118012.42 500.0 C57
2021-02-20 11:14:05 S 09 56 14.702 -07 58 19.24 V C57
2021-02-20 11:14:05 s 1 -196936.57 8 +117231.36 5370.0 C57
2021-02-20 11:24:05 S 09 56 12.734 -07 58 16.39 V C57
2021-02-20 11:24:05 s 1 -196808.63 6 +116448.96 6000.0 C57
2021-02-20 11:34:05 S 09 56 10.716 -07 58 15.74 V C57
2021-02-20 11:34:05 s 1 -196678.42 5 +115665.21 2350.0 C57
2021-02-20 11:44:05 S 09 56 08.760 -07 58 12.68 V C57
2021-02-20 11:44:05 s 1 -196545.93 0 +114880.11 4420.0 C57
2021-02-20 11:54:05 S 09 56 06.722 -07 58 12.04 V C57
2021-02-20 11:54:05 s 1 -196411.13 8 +114093.67 2150.0 C57
2021-02-20 12:04:05 S 09 56 04.728 -07 58 09.80 V C57
2021-02-20 12:04:05 s 1 -196274.03 5 +113305.89 5550.0 C57
2021-02-20 12:14:05 S 09 56 02.748 -07 58 07.64 V C57
2021-02-20 12:14:05 s 1 -196134.60 9 +112516.76 4560.0 C57
2021-02-20 12:24:05 S 09 56 00.725 -07 58 06.53 V C57
2021-02-20 12:24:05 s 1 -195992.84 4 +111726.29 9180.0 C57
2021-02-20 12:34:05 S 09 55 58.723 -07 58 03.58 V C57
2021-02-20 12:34:05 s 1 -195848.72 6 +110934.47 9360.0 C57
2021-02-20 12:44:05 S 09 55 56.695 -07 58 04.26 V C57
2021-02-20 12:44:05 s 1 -195702.24 2 +110141.31 5090.0 C57
2021-02-20 12:54:05 S 09 55 54.754 -07 57 59.80 V C57
2021-02-20 12:54:05 s 1 -195553.37 6 +109346.81 6340.0 C57
2021-02-20 13:04:05 S 09 55 52.668 -07 57 58.43 V C57
2021-02-20 13:04:05 s 1 -195402.11 6 +108550.97 3070.0 C57
2021-02-20 22:02:47 C 09 54 34.54 -07 45 01.7 V B72
2021-02-20 22:04:35 C 09 54 34.22 -07 45 01.7 V B72
2021-02-20 22:05:37 C 09 54 34.03 -07 45 01.5 V B72
2021-02-20 22:06:38 C 09 54 33.81 -07 45 01.7 V B72
2021-02-20 22:07:40 C 09 54 33.71 -07 45 01.3 V B72
2021-02-20 22:08:42 C 09 54 33.51 -07 45 01.3 V B72
2021-02-20 22:10:46 C 09 54 33.16 -07 45 00.8 V B72
2021-02-20 22:11:47 C 09 54 32.94 -07 45 00.6 V B72
2021-02-20 22:15:22 C 09 54 32.34 -07 44 59.9 V B72
2021-02-21 04:24:05 S 09 52 37.685 -07 53 48.26 V C57
2021-02-21 04:24:05 s 1 -168790.75 0 +29917.905 9870.0 C57
2021-02-21 04:34:05 S 09 52 35.460 -07 53 43.33 V C57
2021-02-21 04:34:05 s 1 -168329.91 6 +29012.073 8990.0 C57
2021-02-21 04:44:05 S 09 52 33.144 -07 53 40.96 V C57
2021-02-21 04:44:05 s 1 -167864.48 2 +28105.447 9320.0 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)