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 17:22:56 C 10 04 08.54 -07 49 51.1 – V 217
2021-02-17 17:23:41 C 10 04 08.47 -07 49 51.1 – V 217
2021-02-17 17:24:05 S 10 06 19.402 -07 58 47.46 – V C57
2021-02-17 17:24:05 s 1 -146082.29 4 +329868.09 5810.0 – C57
2021-02-17 17:24:25 C 10 04 08.39 -07 49 51.1 – V 217
2021-02-17 17:25:55 C 10 04 08.24 -07 49 51.1 – V 217
2021-02-17 17:27:24 C 10 04 08.07 -07 49 51.1 – V 217
2021-02-17 17:28:08 C 10 04 08.00 -07 49 51.2 – V 217
2021-02-17 17:28:53 C 10 04 07.91 -07 49 51.2 – V 217
2021-02-17 17:29:37 C 10 04 07.84 -07 49 51.2 – V 217
2021-02-17 17:30:22 C 10 04 07.76 -07 49 51.2 – V 217
2021-02-17 17:31:06 C 10 04 07.68 -07 49 51.2 – V 217
2021-02-17 17:31:51 C 10 04 07.59 -07 49 51.3 – V 217
2021-02-17 17:32:36 C 10 04 07.52 -07 49 51.2 – V 217
2021-02-17 17:33:20 C 10 04 07.45 -07 49 51.2 – V 217
2021-02-17 17:34:05 C 10 04 07.36 -07 49 51.3 – V 217
2021-02-17 17:34:06 S 10 06 18.202 -07 58 48.86 – V C57
2021-02-17 17:34:06 s 1 -146359.20 9 +329547.72 3660.0 – C57
2021-02-17 17:34:49 C 10 04 07.28 -07 49 51.3 – V 217
2021-02-17 17:35:34 C 10 04 07.21 -07 49 51.2 – V 217
2021-02-17 17:36:18 C 10 04 07.12 -07 49 51.3 – V 217
2021-02-17 17:37:03 C 10 04 07.04 -07 49 51.3 – V 217
2021-02-17 17:37:47 C 10 04 06.97 -07 49 51.3 – V 217
2021-02-17 17:38:32 C 10 04 06.88 -07 49 51.3 – V 217
2021-02-17 17:39:17 C 10 04 06.81 -07 49 51.3 – V 217
2021-02-17 17:40:01 C 10 04 06.74 -07 49 51.3 – V 217
2021-02-17 17:40:47 C 10 04 06.66 -07 49 51.3 – V 217
2021-02-17 17:41:30 C 10 04 06.58 -07 49 51.3 – V 217
2021-02-17 17:42:16 C 10 04 06.50 -07 49 51.4 – V 217
2021-02-17 17:42:59 C 10 04 06.43 -07 49 51.3 – V 217
2021-02-17 17:43:45 C 10 04 06.35 -07 49 51.4 – V 217
2021-02-17 17:44:30 C 10 04 06.28 -07 49 51.4 – V 217
2021-02-17 17:45:15 C 10 04 06.19 -07 49 51.4 – V 217
2021-02-17 17:45:59 C 10 04 06.11 -07 49 51.4 – V 217
2021-02-17 17:46:44 C 10 04 06.03 -07 49 51.4 – V 217
2021-02-17 17:47:29 C 10 04 05.95 -07 49 51.4 – V 217
2021-02-17 17:48:13 C 10 04 05.87 -07 49 51.5 – V 217
2021-02-17 17:48:58 C 10 04 05.79 -07 49 51.3 – V 217
2021-02-17 17:49:43 C 10 04 05.71 -07 49 51.5 – V 217
2021-02-17 17:50:27 C 10 04 05.63 -07 49 51.4 – V 217
2021-02-17 17:51:12 C 10 04 05.54 -07 49 51.6 – V 217
2021-02-17 17:51:56 C 10 04 05.46 -07 49 51.5 – V 217
2021-02-17 17:52:41 C 10 04 05.38 -07 49 51.4 – V 217
2021-02-17 17:53:25 C 10 04 05.30 -07 49 51.6 – V 217
2021-02-17 17:54:10 C 10 04 05.21 -07 49 51.6 – V 217
2021-02-17 17:54:54 C 10 04 05.12 -07 49 51.6 – V 217
2021-02-17 17:55:39 C 10 04 05.05 -07 49 51.8 – V 217
2021-02-17 17:56:23 C 10 04 04.97 -07 49 51.7 – V 217
2021-02-17 17:57:08 C 10 04 04.90 -07 49 51.6 – V 217
2021-02-17 17:57:52 C 10 04 04.82 -07 49 51.6 – 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)