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
2021-02-19 03:14:05 S 10 01 50.866 -08 00 37.66 – V C57
2021-02-19 03:14:05 s 1 -190858.13 0 +243316.90 6650.0 – C57
2021-02-19 03:24:05 S 10 01 49.265 -08 00 39.31 – V C57
2021-02-19 03:24:05 s 1 -191006.10 1 +242778.19 900.0 – C57
2021-02-19 03:34:05 S 10 01 47.762 -08 00 38.95 – V C57
2021-02-19 03:34:05 s 1 -191153.16 6 +242238.31 3490.0 – C57
2021-02-19 03:44:05 S 10 01 46.205 -08 00 38.45 – V C57
2021-02-19 03:44:05 s 1 -191299.32 0 +241697.27 4400.0 – C57
2021-02-19 04:04:05 S 10 01 43.358 -08 00 34.60 – V C57
2021-02-19 04:04:05 s 1 -191588.88 4 +240611.69 1200.0 – C57
2021-02-19 04:14:05 S 10 01 41.472 -08 00 36.72 – V C57
2021-02-19 04:14:05 s 1 -191732.28 7 +240067.14 7060.0 – C57
2021-02-19 04:24:05 S 10 01 40.082 -08 00 36.97 – V C57
2021-02-19 04:24:05 s 1 -191874.76 4 +239521.43 1220.0 – C57
2021-02-19 04:34:05 S 10 01 38.556 -08 00 37.98 – V C57
2021-02-19 04:34:05 s 1 -192016.31 3 +238974.55 3670.0 – C57
2021-02-19 04:44:05 S 10 01 36.970 -08 00 39.20 – V C57
2021-02-19 04:44:05 s 1 -192156.93 0 +238426.49 4420.0 – C57
2021-02-19 04:54:05 S 10 01 35.470 -08 00 37.37 – V C57
2021-02-19 04:54:05 s 1 -192296.61 1 +237877.26 3440.0 – C57
2021-02-19 05:04:05 S 10 01 33.794 -08 00 38.09 – V C57
2021-02-19 05:04:05 s 1 -192435.35 2 +237326.86 740.0 – C57
2021-02-19 05:14:05 S 10 01 32.383 -08 00 38.41 – V C57
2021-02-19 05:14:05 s 1 -192573.15 0 +236775.28 6300.0 – C57
2021-02-19 05:24:05 S 10 01 30.886 -08 00 36.54 – V C57
2021-02-19 05:24:05 s 1 -192710.00 0 +236222.52 120.0 – C57
2021-02-19 05:34:05 S 10 01 29.196 -08 00 37.66 – V C57
2021-02-19 05:34:05 s 1 -192845.89 9 +235668.59 2190.0 – C57
2021-02-19 05:42:21 C 10 00 15.62 -07 48 46.8 – V 703
2021-02-19 05:44:05 S 10 01 27.674 -08 00 37.48 – V C57
2021-02-19 05:44:05 s 1 -192980.84 3 +235113.48 2500.0 – C57
2021-02-19 05:49:59 C 10 00 14.64 -07 48 45.8 – V 703
2021-02-19 05:54:05 S 10 01 26.100 -08 00 38.23 – V C57
2021-02-19 05:54:05 s 1 -193114.82 8 +234557.19 1050.0 – C57
2021-02-19 05:57:36 C 10 00 13.55 -07 48 46.1 – V 703
2021-02-19 06:04:05 S 10 01 24.574 -08 00 38.05 – V C57
2021-02-19 06:04:05 s 1 -193247.85 1 +233999.72 7830.0 – C57
2021-02-19 06:05:14 C 10 00 12.52 -07 48 45.6 – V 703
2021-02-19 06:14:05 S 10 01 23.078 -08 00 36.83 – V C57
2021-02-19 06:14:05 s 1 -193379.90 6 +233441.07 2830.0 – C57
2021-02-19 06:24:05 S 10 01 21.432 -08 00 38.20 – V C57
2021-02-19 06:24:05 s 1 -193510.99 1 +232881.24 6050.0 – C57
2021-02-19 06:34:05 S 10 01 19.920 -08 00 36.61 – V C57
2021-02-19 06:34:05 s 1 -193641.10 2 +232320.22 7470.0 – C57
2021-02-19 06:44:05 S 10 01 18.314 -08 00 37.69 – V C57
2021-02-19 06:44:05 s 1 -193770.23 3 +231758.01 7090.0 – C57
2021-02-19 06:54:05 S 10 01 16.680 -08 00 37.40 – V C57
2021-02-19 06:54:05 s 1 -193898.38 2 +231194.62 4900.0 – C57
2021-02-19 07:04:05 S 10 01 15.192 -08 00 35.71 – V C57
2021-02-19 07:04:05 s 1 -194025.54 4 +230630.05 890.0 – 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)