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 20:39:31 C 10 03 47.39 -07 49 51.0 – V 217
2021-02-17 20:41:00 C 10 03 47.22 -07 49 51.0 – V 217
2021-02-17 20:41:43 C 10 03 47.15 -07 49 51.0 – V 217
2021-02-17 20:42:27 C 10 03 47.07 -07 49 50.9 – V 217
2021-02-17 20:43:12 C 10 03 46.99 -07 49 51.1 – V 217
2021-02-17 20:43:56 C 10 03 46.91 -07 49 51.0 – V 217
2021-02-17 20:44:05 S 10 05 56.237 -07 59 05.28 – V C57
2021-02-17 20:44:05 s 1 -151536.28 6 +323268.73 3140.0 – C57
2021-02-17 20:44:40 C 10 03 46.83 -07 49 51.2 – V 217
2021-02-17 20:45:25 C 10 03 46.75 -07 49 51.1 – V 217
2021-02-17 20:46:09 C 10 03 46.67 -07 49 50.8 – V 217
2021-02-17 20:46:53 C 10 03 46.59 -07 49 50.9 – V 217
2021-02-17 20:47:37 C 10 03 46.51 -07 49 50.9 – V 217
2021-02-17 20:48:22 C 10 03 46.44 -07 49 50.8 – V 217
2021-02-17 20:49:06 C 10 03 46.36 -07 49 51.0 – V 217
2021-02-17 20:49:51 C 10 03 46.27 -07 49 51.0 – V 217
2021-02-17 20:50:35 C 10 03 46.20 -07 49 51.0 – V 217
2021-02-17 20:51:20 C 10 03 46.12 -07 49 50.9 – V 217
2021-02-17 20:52:04 C 10 03 46.03 -07 49 50.9 – V 217
2021-02-17 20:52:48 C 10 03 45.96 -07 49 50.8 – V 217
2021-02-17 20:53:33 C 10 03 45.88 -07 49 50.8 – V 217
2021-02-17 20:54:06 S 10 05 55.152 -07 59 06.47 – V C57
2021-02-17 20:54:06 s 1 -151804.21 6 +322928.12 5020.0 – C57
2021-02-17 20:54:17 C 10 03 45.79 -07 49 50.9 – V 217
2021-02-17 20:55:01 C 10 03 45.71 -07 49 50.8 – V 217
2021-02-17 20:55:46 C 10 03 45.64 -07 49 50.9 – V 217
2021-02-17 20:56:30 C 10 03 45.55 -07 49 50.8 – V 217
2021-02-17 20:57:14 C 10 03 45.47 -07 49 51.0 – V 217
2021-02-17 20:57:59 C 10 03 45.40 -07 49 50.7 – V 217
2021-02-17 20:58:43 C 10 03 45.32 -07 49 50.9 – V 217
2021-02-17 20:59:28 C 10 03 45.23 -07 49 50.8 – V 217
2021-02-17 21:00:12 C 10 03 45.16 -07 49 50.7 – V 217
2021-02-17 21:00:57 C 10 03 45.07 -07 49 50.9 – V 217
2021-02-17 21:01:41 C 10 03 45.00 -07 49 50.9 – V 217
2021-02-17 21:02:26 C 10 03 44.91 -07 49 50.8 – V 217
2021-02-17 21:03:10 C 10 03 44.83 -07 49 50.8 – V 217
2021-02-17 21:03:55 C 10 03 44.76 -07 49 50.7 – V 217
2021-02-17 21:04:05 S 10 05 54.053 -07 59 07.69 – V C57
2021-02-17 21:04:05 s 1 -152071.68 1 +322586.48 6070.0 – C57
2021-02-17 21:04:39 C 10 03 44.67 -07 49 50.7 – V 217
2021-02-17 21:05:23 C 10 03 44.60 -07 49 50.8 – V 217
2021-02-17 21:06:08 C 10 03 44.52 -07 49 50.8 – V 217
2021-02-17 21:06:52 C 10 03 44.44 -07 49 50.8 – V 217
2021-02-17 21:08:21 C 10 03 44.28 -07 49 50.6 – V 217
2021-02-17 21:09:05 C 10 03 44.20 -07 49 50.6 – V 217
2021-02-17 21:09:49 C 10 03 44.12 -07 49 50.7 – V 217
2021-02-17 21:10:34 C 10 03 44.05 -07 49 50.6 – V 217
2021-02-17 21:11:19 C 10 03 43.97 -07 49 50.5 – V 217
2021-02-17 21:12:03 C 10 03 43.88 -07 49 50.6 – V 217
2021-02-17 21:12:48 C 10 03 43.80 -07 49 50.4 – 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)