IAA RAS IAA Minor Planet Database

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 15:34:06 S 10 06 31.783 -07 58 37.88 – V C57
2021-02-17 15:34:06 s 1 -143007.96 7 +333325.77 9320.0 – C57
2021-02-17 15:44:06 S 10 06 30.766 -07 58 38.17 – V C57
2021-02-17 15:44:06 s 1 -143289.56 5 +333016.46 5470.0 – C57
2021-02-17 15:54:05 S 10 06 29.587 -07 58 37.56 – V C57
2021-02-17 15:54:05 s 1 -143570.74 4 +332706.14 880.0 – C57
2021-02-17 16:04:06 S 10 06 28.274 -07 58 38.46 – V C57
2021-02-17 16:04:06 s 1 -143851.50 4 +332394.82 5550.0 – C57
2021-02-17 16:14:05 S 10 06 27.271 -07 58 41.41 – V C57
2021-02-17 16:14:05 s 1 -144131.84 2 +332082.49 9470.0 – C57
2021-02-17 16:24:06 S 10 06 26.160 -07 58 41.34 – V C57
2021-02-17 16:24:06 s 1 -144411.75 8 +331769.16 2640.0 – C57
2021-02-17 16:34:05 S 10 06 24.974 -07 58 44.51 – V C57
2021-02-17 16:34:05 s 1 -144691.25 0 +331454.83 5060.0 – C57
2021-02-17 16:44:06 S 10 06 23.798 -07 58 44.83 – V C57
2021-02-17 16:44:06 s 1 -144970.31 6 +331139.49 6730.0 – C57
2021-02-17 16:54:05 S 10 06 22.750 -07 58 44.65 – V C57
2021-02-17 16:54:05 s 1 -145248.95 5 +330823.15 7640.0 – C57
2021-02-17 17:00:37 C 10 04 10.88 -07 49 50.9 – V 217
2021-02-17 17:01:22 C 10 04 10.81 -07 49 50.8 – V 217
2021-02-17 17:02:07 C 10 04 10.73 -07 49 50.7 – V 217
2021-02-17 17:02:51 C 10 04 10.65 -07 49 50.8 – V 217
2021-02-17 17:03:36 C 10 04 10.57 -07 49 50.8 – V 217
2021-02-17 17:04:05 S 10 06 21.634 -07 58 45.77 – V C57
2021-02-17 17:04:05 s 1 -145527.16 5 +330505.80 7790.0 – C57
2021-02-17 17:04:20 C 10 04 10.50 -07 49 50.8 – V 217
2021-02-17 17:05:05 C 10 04 10.42 -07 49 50.7 – V 217
2021-02-17 17:05:51 C 10 04 10.35 -07 49 50.8 – V 217
2021-02-17 17:06:35 C 10 04 10.27 -07 49 50.7 – V 217
2021-02-17 17:07:20 C 10 04 10.19 -07 49 50.8 – V 217
2021-02-17 17:08:05 C 10 04 10.10 -07 49 50.9 – V 217
2021-02-17 17:09:34 C 10 04 09.95 -07 49 50.9 – V 217
2021-02-17 17:10:18 C 10 04 09.88 -07 49 50.8 – V 217
2021-02-17 17:11:03 C 10 04 09.80 -07 49 50.8 – V 217
2021-02-17 17:11:48 C 10 04 09.73 -07 49 50.8 – V 217
2021-02-17 17:12:33 C 10 04 09.64 -07 49 50.9 – V 217
2021-02-17 17:13:17 C 10 04 09.55 -07 49 50.8 – V 217
2021-02-17 17:14:02 C 10 04 09.48 -07 49 51.0 – V 217
2021-02-17 17:14:06 S 10 06 20.472 -07 58 46.13 – V C57
2021-02-17 17:14:06 s 1 -145804.94 5 +330187.45 7180.0 – C57
2021-02-17 17:14:47 C 10 04 09.40 -07 49 51.0 – V 217
2021-02-17 17:15:31 C 10 04 09.32 -07 49 50.9 – V 217
2021-02-17 17:16:16 C 10 04 09.25 -07 49 50.8 – V 217
2021-02-17 17:17:00 C 10 04 09.17 -07 49 50.9 – V 217
2021-02-17 17:17:45 C 10 04 09.09 -07 49 51.0 – V 217
2021-02-17 17:18:29 C 10 04 09.00 -07 49 51.1 – V 217
2021-02-17 17:19:14 C 10 04 08.93 -07 49 51.1 – V 217
2021-02-17 17:19:58 C 10 04 08.86 -07 49 51.1 – V 217
2021-02-17 17:20:43 C 10 04 08.78 -07 49 51.0 – V 217
2021-02-17 17:22:12 C 10 04 08.62 -07 49 51.1 – V 217
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)