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 18:34:05 s 1 -181997.98 9 +269751.09 390.0 C57
2021-02-18 18:44:05 S 10 03 05.825 -08 00 27.86 V C57
2021-02-18 18:44:05 s 1 -182188.55 7 +269271.52 2580.0 C57
2021-02-18 18:54:05 S 10 03 04.435 -08 00 29.09 V C57
2021-02-18 18:54:05 s 1 -182378.38 2 +268790.84 3420.0 C57
2021-02-18 19:04:05 S 10 03 03.012 -08 00 28.30 V C57
2021-02-18 19:04:05 s 1 -182567.46 2 +268309.04 2900.0 C57
2021-02-18 19:14:05 S 10 03 01.586 -08 00 28.80 V C57
2021-02-18 19:14:05 s 1 -182755.79 4 +267826.13 1010.0 C57
2021-02-18 19:24:05 S 10 03 00.077 -08 00 30.35 V C57
2021-02-18 19:24:05 s 1 -182943.37 6 +267342.10 7760.0 C57
2021-02-18 19:34:05 S 10 02 58.798 -08 00 28.84 V C57
2021-02-18 19:34:05 s 1 -183130.20 4 +266856.95 3130.0 C57
2021-02-18 19:44:05 S 10 02 57.233 -08 00 31.10 V C57
2021-02-18 19:44:05 s 1 -183316.27 6 +266370.69 7130.0 C57
2021-02-18 19:54:05 S 10 02 55.829 -08 00 30.10 V C57
2021-02-18 19:54:05 s 1 -183501.58 9 +265883.31 9740.0 C57
2021-02-18 20:04:05 S 10 02 54.451 -08 00 29.41 V C57
2021-02-18 20:04:05 s 1 -183686.14 0 +265394.81 960.0 C57
2021-02-18 20:14:05 S 10 02 52.951 -08 00 31.25 V C57
2021-02-18 20:14:05 s 1 -183869.92 7 +264905.19 780.0 C57
2021-02-18 20:24:05 S 10 02 51.504 -08 00 31.39 V C57
2021-02-18 20:24:05 s 1 -184052.94 5 +264414.45 9200.0 C57
2021-02-18 20:34:05 S 10 02 50.081 -08 00 31.10 V C57
2021-02-18 20:34:05 s 1 -184235.19 3 +263922.59 6210.0 C57
2021-02-18 20:44:05 S 10 02 48.610 -08 00 32.80 V C57
2021-02-18 20:44:05 s 1 -184416.66 8 +263429.61 1810.0 C57
2021-02-18 20:54:05 S 10 02 47.306 -08 00 31.90 V C57
2021-02-18 20:54:05 s 1 -184597.36 6 +262935.50 6000.0 C57
2021-02-18 21:04:05 S 10 02 45.751 -08 00 32.94 V C57
2021-02-18 21:04:05 s 1 -184777.28 5 +262440.26 8760.0 C57
2021-02-18 21:14:05 S 10 02 44.347 -08 00 32.69 V C57
2021-02-18 21:14:05 s 1 -184956.42 2 +261943.91 90.0 C57
2021-02-18 21:44:05 S 10 02 40.140 -08 00 32.22 V C57
2021-02-18 21:44:05 s 1 -185489.10 8 +260448.06 5450.0 C57
2021-02-18 21:44:56 C 10 01 11.62 -07 49 23.1 V Z80
2021-02-18 21:49:56 C 10 01 11.05 -07 49 23.2 V Z80
2021-02-18 21:54:55 C 10 01 10.37 -07 49 23.1 V Z80
2021-02-18 22:04:05 S 10 02 37.042 -08 00 33.91 V C57
2021-02-18 22:04:05 s 1 -185840.26 5 +259445.19 5110.0 C57
2021-02-18 22:14:05 S 10 02 35.609 -08 00 33.26 V C57
2021-02-18 22:14:05 s 1 -186014.64 5 +258942.06 7750.0 C57
2021-02-18 22:24:05 S 10 02 34.193 -08 00 34.96 V C57
2021-02-18 22:24:05 s 1 -186188.22 2 +258437.79 8920.0 C57
2021-02-18 22:34:05 S 10 02 32.650 -08 00 33.66 V C57
2021-02-18 22:34:05 s 1 -186360.99 2 +257932.39 8610.0 C57
2021-02-18 22:44:05 S 10 02 31.207 -08 00 33.44 V C57
2021-02-18 22:44:05 s 1 -186532.95 2 +257425.85 6820.0 C57
2021-02-18 22:54:05 S 10 02 29.712 -08 00 35.71 V C57
2021-02-18 22:54:05 s 1 -186704.10 0 +256918.18 3550.0 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)