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
2021-02-20 06:04:05 s 1 -199845.48 4 +140818.60 9860.0 – C57
2021-02-20 06:14:05 S 09 57 13.322 -07 59 03.52 – V C57
2021-02-20 06:14:05 s 1 -199781.80 2 +140077.86 1120.0 – C57
2021-02-20 06:24:05 S 09 57 11.268 -07 59 04.09 – V C57
2021-02-20 06:24:05 s 1 -199716.21 5 +139335.78 8810.0 – C57
2021-02-20 06:34:05 S 09 57 09.442 -07 59 01.57 – V C57
2021-02-20 06:34:05 s 1 -199648.71 6 +138592.37 2920.0 – C57
2021-02-20 06:44:05 S 09 57 07.428 -07 59 01.57 – V C57
2021-02-20 06:44:05 s 1 -199579.29 1 +137847.61 3410.0 – C57
2021-02-20 06:54:05 S 09 57 05.561 -07 58 58.98 – V C57
2021-02-20 06:54:05 s 1 -199507.93 2 +137101.52 290.0 – C57
2021-02-20 07:04:05 S 09 57 03.602 -07 58 57.07 – V C57
2021-02-20 07:04:05 s 1 -199434.62 7 +136354.08 3510.0 – C57
2021-02-20 07:14:05 S 09 57 01.658 -07 58 57.58 – V C57
2021-02-20 07:14:05 s 1 -199359.36 6 +135605.30 3070.0 – C57
2021-02-20 07:24:05 S 09 56 59.784 -07 58 54.30 – V C57
2021-02-20 07:24:05 s 1 -199282.13 7 +134855.19 8940.0 – C57
2021-02-20 07:34:05 S 09 56 57.799 -07 58 54.30 – V C57
2021-02-20 07:34:05 s 1 -199202.93 0 +134103.72 1100.0 – C57
2021-02-20 07:44:05 S 09 56 55.906 -07 58 51.35 – V C57
2021-02-20 07:44:05 s 1 -199121.73 4 +133350.92 9530.0 – C57
2021-02-20 07:54:05 S 09 56 53.933 -07 58 52.00 – V C57
2021-02-20 07:54:05 s 1 -199038.53 8 +132596.77 4210.0 – C57
2021-02-20 08:04:05 S 09 56 52.025 -07 58 49.87 – V C57
2021-02-20 08:04:05 s 1 -198953.33 0 +131841.28 5110.0 – C57
2021-02-20 08:14:05 S 09 56 50.038 -07 58 46.99 – V C57
2021-02-20 08:14:05 s 1 -198866.09 9 +131084.45 2220.0 – C57
2021-02-20 08:24:05 S 09 56 48.115 -07 58 46.52 – V C57
2021-02-20 08:24:05 s 1 -198776.83 4 +130326.27 5510.0 – C57
2021-02-20 08:34:05 S 09 56 46.205 -07 58 43.75 – V C57
2021-02-20 08:34:05 s 1 -198685.52 3 +129566.75 4970.0 – C57
2021-02-20 08:44:05 S 09 56 44.174 -07 58 42.74 – V C57
2021-02-20 08:44:05 s 1 -198592.15 5 +128805.88 560.0 – C57
2021-02-20 08:54:05 S 09 56 42.274 -07 58 39.86 – V C57
2021-02-20 08:54:05 s 1 -198496.71 8 +128043.67 2270.0 – C57
2021-02-20 09:04:05 S 09 56 40.301 -07 58 39.61 – V C57
2021-02-20 09:04:05 s 1 -198399.20 0 +127280.11 70.0 – C57
2021-02-20 09:14:05 S 09 56 38.340 -07 58 38.96 – V C57
2021-02-20 09:14:05 s 1 -198299.59 0 +126515.21 3940.0 – C57
2021-02-20 09:24:05 S 09 56 36.442 -07 58 36.23 – V C57
2021-02-20 09:24:05 s 1 -198197.87 5 +125748.96 3860.0 – C57
2021-02-20 09:34:05 S 09 56 34.366 -07 58 35.80 – V C57
2021-02-20 09:34:05 s 1 -198094.04 3 +124981.36 9810.0 – C57
2021-02-20 09:44:05 S 09 56 32.474 -07 58 33.31 – V C57
2021-02-20 09:44:05 s 1 -197988.08 3 +124212.42 1750.0 – C57
2021-02-20 09:54:05 S 09 56 30.478 -07 58 32.99 – V C57
2021-02-20 09:54:05 s 1 -197879.98 1 +123442.13 9680.0 – C57
2021-02-20 10:04:05 S 09 56 28.618 -07 58 30.40 – V C57
2021-02-20 10:04:05 s 1 -197769.72 6 +122670.50 3560.0 – C57
2021-02-20 10:14:05 S 09 56 26.558 -07 58 27.95 – V 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)