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 20:04:43 C 10 03 51.15 -07 49 51.5 – V 217
2021-02-17 20:05:28 C 10 03 51.07 -07 49 51.5 – V 217
2021-02-17 20:06:12 C 10 03 50.99 -07 49 51.6 – V 217
2021-02-17 20:06:57 C 10 03 50.91 -07 49 51.4 – V 217
2021-02-17 20:07:41 C 10 03 50.84 -07 49 51.4 – V 217
2021-02-17 20:08:26 C 10 03 50.76 -07 49 51.4 – V 217
2021-02-17 20:09:10 C 10 03 50.68 -07 49 51.3 – V 217
2021-02-17 20:09:55 C 10 03 50.60 -07 49 51.4 – V 217
2021-02-17 20:10:39 C 10 03 50.51 -07 49 51.4 – V 217
2021-02-17 20:12:08 C 10 03 50.36 -07 49 51.4 – V 217
2021-02-17 20:12:52 C 10 03 50.27 -07 49 51.3 – V 217
2021-02-17 20:13:37 C 10 03 50.19 -07 49 51.3 – V 217
2021-02-17 20:14:06 S 10 05 59.743 -07 59 05.17 – V C57
2021-02-17 20:14:06 s 1 -150729.71 5 +324284.47 2540.0 – C57
2021-02-17 20:15:06 C 10 03 50.04 -07 49 51.3 – V 217
2021-02-17 20:15:50 C 10 03 49.96 -07 49 51.4 – V 217
2021-02-17 20:16:35 C 10 03 49.88 -07 49 51.4 – V 217
2021-02-17 20:17:19 C 10 03 49.79 -07 49 51.3 – V 217
2021-02-17 20:18:04 C 10 03 49.72 -07 49 51.3 – V 217
2021-02-17 20:18:48 C 10 03 49.63 -07 49 51.3 – V 217
2021-02-17 20:19:33 C 10 03 49.55 -07 49 51.3 – V 217
2021-02-17 20:20:17 C 10 03 49.47 -07 49 51.3 – V 217
2021-02-17 20:21:01 C 10 03 49.39 -07 49 51.4 – V 217
2021-02-17 20:21:46 C 10 03 49.31 -07 49 51.3 – V 217
2021-02-17 20:22:30 C 10 03 49.23 -07 49 51.3 – V 217
2021-02-17 20:23:15 C 10 03 49.16 -07 49 51.3 – V 217
2021-02-17 20:24:05 S 10 05 58.718 -07 59 03.98 – V C57
2021-02-17 20:24:05 s 1 -150999.03 3 +323946.91 6900.0 – C57
2021-02-17 20:24:44 C 10 03 49.00 -07 49 51.3 – V 217
2021-02-17 20:25:28 C 10 03 48.91 -07 49 51.2 – V 217
2021-02-17 20:26:13 C 10 03 48.84 -07 49 51.2 – V 217
2021-02-17 20:26:57 C 10 03 48.75 -07 49 51.1 – V 217
2021-02-17 20:27:41 C 10 03 48.67 -07 49 51.3 – V 217
2021-02-17 20:28:26 C 10 03 48.59 -07 49 51.2 – V 217
2021-02-17 20:29:10 C 10 03 48.51 -07 49 51.3 – V 217
2021-02-17 20:29:54 C 10 03 48.43 -07 49 51.1 – V 217
2021-02-17 20:30:39 C 10 03 48.35 -07 49 51.1 – V 217
2021-02-17 20:31:23 C 10 03 48.28 -07 49 51.1 – V 217
2021-02-17 20:32:07 C 10 03 48.18 -07 49 51.3 – V 217
2021-02-17 20:32:52 C 10 03 48.12 -07 49 51.2 – V 217
2021-02-17 20:33:36 C 10 03 48.04 -07 49 51.1 – V 217
2021-02-17 20:34:06 S 10 05 57.451 -07 59 04.63 – V C57
2021-02-17 20:34:06 s 1 -151267.89 1 +323608.33 430.0 – C57
2021-02-17 20:34:20 C 10 03 47.94 -07 49 51.1 – V 217
2021-02-17 20:35:05 C 10 03 47.88 -07 49 51.2 – V 217
2021-02-17 20:35:49 C 10 03 47.79 -07 49 51.1 – V 217
2021-02-17 20:36:33 C 10 03 47.72 -07 49 51.0 – V 217
2021-02-17 20:37:18 C 10 03 47.63 -07 49 51.0 – V 217
2021-02-17 20:38:02 C 10 03 47.55 -07 49 51.0 – V 217
2021-02-17 20:38:45 C 10 03 47.47 -07 49 51.0 – 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)