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
2021-02-18 06:34:05 S 10 04 44.050 -07 59 51.11 – V C57
2021-02-18 06:34:05 s 1 -166491.82 2 +301412.14 8790.0 – C57
2021-02-18 06:44:06 S 10 04 42.797 -07 59 53.38 – V C57
2021-02-18 06:44:06 s 1 -166729.30 0 +301010.46 6070.0 – C57
2021-02-18 06:54:05 S 10 04 41.609 -07 59 53.95 – V C57
2021-02-18 06:54:05 s 1 -166966.20 6 +300607.73 2310.0 – C57
2021-02-18 07:04:06 S 10 04 40.210 -07 59 54.56 – V C57
2021-02-18 07:04:06 s 1 -167202.53 7 +300203.94 7520.0 – C57
2021-02-18 07:14:05 S 10 04 38.969 -07 59 54.64 – V C57
2021-02-18 07:14:05 s 1 -167438.29 3 +299799.09 1690.0 – C57
2021-02-18 07:24:05 S 10 04 37.721 -07 59 54.85 – V C57
2021-02-18 07:24:05 s 1 -167673.47 0 +299393.19 4810.0 – C57
2021-02-18 07:34:05 S 10 04 36.439 -07 59 56.62 – V C57
2021-02-18 07:34:05 s 1 -167908.06 7 +298986.23 6890.0 – C57
2021-02-18 07:44:05 S 10 04 35.124 -07 59 56.40 – V C57
2021-02-18 07:44:05 s 1 -168142.08 1 +298578.21 7920.0 – C57
2021-02-18 07:54:05 S 10 04 33.835 -07 59 56.26 – V C57
2021-02-18 07:54:05 s 1 -168375.51 1 +298169.14 7890.0 – C57
2021-02-18 08:04:05 S 10 04 32.530 -07 59 58.06 – V C57
2021-02-18 08:04:05 s 1 -168608.35 4 +297759.00 6810.0 – C57
2021-02-18 08:14:06 S 10 04 31.265 -07 59 57.16 – V C57
2021-02-18 08:14:06 s 1 -168840.60 9 +297347.81 4660.0 – C57
2021-02-18 08:24:05 S 10 04 29.971 -07 59 57.91 – V C57
2021-02-18 08:24:05 s 1 -169072.27 3 +296935.55 1440.0 – C57
2021-02-18 08:34:06 S 10 04 28.608 -08 00 00.54 – V C57
2021-02-18 08:34:06 s 1 -169303.34 5 +296522.23 7160.0 – C57
2021-02-18 08:44:05 S 10 04 27.418 -07 59 59.89 – V C57
2021-02-18 08:44:05 s 1 -169533.82 1 +296107.85 1800.0 – C57
2021-02-18 08:54:05 S 10 04 26.090 -07 59 59.17 – V C57
2021-02-18 08:54:05 s 1 -169763.70 1 +295692.41 5360.0 – C57
2021-02-18 09:04:05 S 10 04 24.739 -08 00 02.63 – V C57
2021-02-18 09:04:05 s 1 -169992.98 1 +295275.90 7840.0 – C57
2021-02-18 09:14:05 S 10 04 23.422 -08 00 01.15 – V C57
2021-02-18 09:14:05 s 1 -170221.66 0 +294858.33 9230.0 – C57
2021-02-18 09:24:05 S 10 04 22.090 -08 00 01.98 – V C57
2021-02-18 09:24:05 s 1 -170449.73 6 +294439.69 9530.0 – C57
2021-02-18 09:34:05 S 10 04 20.885 -08 00 03.24 – V C57
2021-02-18 09:34:05 s 1 -170677.20 6 +294019.99 8740.0 – C57
2021-02-18 09:44:06 S 10 04 19.483 -08 00 03.10 – V C57
2021-02-18 09:44:06 s 1 -170904.06 9 +293599.22 6850.0 – C57
2021-02-18 09:49:12 C 10 02 29.38 -07 49 23.0 – V T08
2021-02-18 09:51:52 C 10 02 29.06 -07 49 22.8 – V T08
2021-02-18 09:54:05 S 10 04 18.238 -08 00 03.24 – V C57
2021-02-18 09:54:05 s 1 -171130.32 2 +293177.38 3850.0 – C57
2021-02-18 09:57:10 C 10 02 28.42 -07 49 22.7 – V T08
2021-02-18 10:04:06 S 10 04 16.829 -08 00 04.82 – V C57
2021-02-18 10:04:06 s 1 -171355.96 2 +292754.48 9750.0 – C57
2021-02-18 10:05:08 C 10 02 27.45 -07 49 22.3 – V T08
2021-02-18 10:14:05 S 10 04 15.562 -08 00 04.10 – V C57
2021-02-18 10:14:05 s 1 -171580.98 9 +292330.50 4540.0 – 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)