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
2021-02-19 07:14:05 S 10 01 13.558 -08 00 37.80 V C57
2021-02-19 07:14:05 s 1 -194151.71 6 +230064.28 5060.0 C57
2021-02-19 07:24:05 S 10 01 12.029 -08 00 36.22 V C57
2021-02-19 07:24:05 s 1 -194276.89 2 +229497.33 7400.0 C57
2021-02-19 07:34:05 S 10 01 10.493 -08 00 36.47 V C57
2021-02-19 07:34:05 s 1 -194401.07 0 +228929.18 7900.0 C57
2021-02-19 07:44:05 S 10 01 08.803 -08 00 37.40 V C57
2021-02-19 07:44:05 s 1 -194524.24 5 +228359.84 6560.0 C57
2021-02-19 07:54:05 S 10 01 07.294 -08 00 35.93 V C57
2021-02-19 07:54:05 s 1 -194646.41 2 +227789.31 3350.0 C57
2021-02-19 08:04:05 S 10 01 05.616 -08 00 37.33 V C57
2021-02-19 08:04:05 s 1 -194767.56 8 +227217.59 8290.0 C57
2021-02-19 08:14:05 S 10 01 04.085 -08 00 37.30 V C57
2021-02-19 08:14:05 s 1 -194887.70 8 +226644.67 1350.0 C57
2021-02-19 08:24:05 S 10 01 02.501 -08 00 36.11 V C57
2021-02-19 08:24:05 s 1 -195006.82 9 +226070.55 2530.0 C57
2021-02-19 08:34:05 S 10 01 00.806 -08 00 36.25 V C57
2021-02-19 08:34:05 s 1 -195124.92 5 +225495.24 1830.0 C57
2021-02-19 08:44:05 S 10 00 59.294 -08 00 35.53 V C57
2021-02-19 08:44:05 s 1 -195241.99 3 +224918.73 9230.0 C57
2021-02-19 08:54:05 S 10 00 57.737 -08 00 35.53 V C57
2021-02-19 08:54:05 s 1 -195358.02 9 +224341.01 4720.0 C57
2021-02-19 09:04:05 S 10 00 55.922 -08 00 36.47 V C57
2021-02-19 09:04:05 s 1 -195473.02 7 +223762.10 8310.0 C57
2021-02-19 09:14:05 S 10 00 54.480 -08 00 34.45 V C57
2021-02-19 09:14:05 s 1 -195586.98 4 +223181.99 9970.0 C57
2021-02-19 09:24:05 S 10 00 52.858 -08 00 35.96 V C57
2021-02-19 09:24:05 s 1 -195699.89 6 +222600.67 9710.0 C57
2021-02-19 09:34:05 S 10 00 51.216 -08 00 34.49 V C57
2021-02-19 09:34:05 s 1 -195811.75 7 +222018.15 7510.0 C57
2021-02-19 09:44:05 S 10 00 49.642 -08 00 34.78 V C57
2021-02-19 09:44:05 s 1 -195922.56 4 +221434.42 3360.0 C57
2021-02-19 09:54:05 S 10 00 47.983 -08 00 35.10 V C57
2021-02-19 09:54:05 s 1 -196032.31 2 +220849.48 7260.0 C57
2021-02-19 10:04:05 S 10 00 46.433 -08 00 33.73 V C57
2021-02-19 10:04:05 s 1 -196140.99 6 +220263.34 9200.0 C57
2021-02-19 10:14:05 S 10 00 44.746 -08 00 34.88 V C57
2021-02-19 10:14:05 s 1 -196248.61 2 +219675.99 9170.0 C57
2021-02-19 10:24:05 S 10 00 43.183 -08 00 32.83 V C57
2021-02-19 10:24:05 s 1 -196355.15 6 +219087.43 7160.0 C57
2021-02-19 10:34:05 S 10 00 41.590 -08 00 33.01 V C57
2021-02-19 10:34:05 s 1 -196460.62 3 +218497.66 3160.0 C57
2021-02-19 10:44:05 S 10 00 39.917 -08 00 33.44 V C57
2021-02-19 10:44:05 s 1 -196565.00 8 +217906.67 7160.0 C57
2021-02-19 10:54:05 S 10 00 38.323 -08 00 32.18 V C57
2021-02-19 10:54:05 s 1 -196668.30 7 +217314.47 9160.0 C57
2021-02-19 11:04:05 S 10 00 36.646 -08 00 32.83 V C57
2021-02-19 11:04:05 s 1 -196770.51 6 +216721.06 9150.0 C57
2021-02-19 11:14:05 S 10 00 35.026 -08 00 32.72 V C57
2021-02-19 11:14:05 s 1 -196871.62 8 +216126.43 7110.0 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)