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 02:14:05 S 09 57 58.402 -07 59 32.86 – V C57
2021-02-20 02:14:05 s 1 -200807.62 5 +157487.83 480.0 – C57
2021-02-20 02:24:05 S 09 57 56.448 -07 59 33.47 – V C57
2021-02-20 02:24:05 s 1 -200785.02 5 +156777.67 8580.0 – C57
2021-02-20 02:34:05 S 09 57 54.665 -07 59 31.06 – V C57
2021-02-20 02:34:05 s 1 -200760.73 9 +156066.19 3530.0 – C57
2021-02-20 02:44:05 S 09 57 52.754 -07 59 31.20 – V C57
2021-02-20 02:44:05 s 1 -200734.76 1 +155353.39 5320.0 – C57
2021-02-20 02:54:05 S 09 57 50.938 -07 59 28.90 – V C57
2021-02-20 02:54:05 s 1 -200707.07 9 +154639.27 3940.0 – C57
2021-02-20 03:04:05 S 09 57 49.109 -07 59 28.28 – V C57
2021-02-20 03:04:05 s 1 -200677.68 7 +153923.82 9350.0 – C57
2021-02-20 03:14:05 S 09 57 47.172 -07 59 27.85 – V C57
2021-02-20 03:14:05 s 1 -200646.57 4 +153207.05 1550.0 – C57
2021-02-20 03:24:05 S 09 57 45.386 -07 59 25.51 – V C57
2021-02-20 03:24:05 s 1 -200613.73 2 +152488.96 510.0 – C57
2021-02-20 03:34:05 S 09 57 43.476 -07 59 25.80 – V C57
2021-02-20 03:34:05 s 1 -200579.15 2 +151769.54 6230.0 – C57
2021-02-20 03:44:05 S 09 57 41.580 -07 59 23.39 – V C57
2021-02-20 03:44:05 s 1 -200542.82 4 +151048.79 8680.0 – C57
2021-02-20 03:54:05 S 09 57 39.670 -07 59 22.88 – V C57
2021-02-20 03:54:05 s 1 -200504.74 0 +150326.72 7850.0 – C57
2021-02-20 04:04:05 S 09 57 37.704 -07 59 21.95 – V C57
2021-02-20 04:04:05 s 1 -200464.89 1 +149603.31 3710.0 – C57
2021-02-20 04:10:04 C 09 57 18.50 -07 47 02.8 – V W34
2021-02-20 04:14:05 S 09 57 35.926 -07 59 19.93 – V C57
2021-02-20 04:14:05 s 1 -200423.26 6 +148878.58 6260.0 – C57
2021-02-20 04:17:47 C 09 57 17.26 -07 47 02.3 – V W34
2021-02-20 04:24:05 S 09 57 34.056 -07 59 19.61 – V C57
2021-02-20 04:24:05 s 1 -200379.85 6 +148152.52 5460.0 – C57
2021-02-20 04:27:35 C 09 57 15.70 -07 47 01.9 – V W34
2021-02-20 04:34:05 S 09 57 32.186 -07 59 16.33 – V C57
2021-02-20 04:34:05 s 1 -200334.65 2 +147425.13 1310.0 – C57
2021-02-20 04:44:05 S 09 57 30.252 -07 59 17.02 – V C57
2021-02-20 04:44:05 s 1 -200287.64 5 +146696.41 3790.0 – C57
2021-02-20 04:54:05 S 09 57 28.423 -07 59 16.04 – V C57
2021-02-20 04:54:05 s 1 -200238.82 4 +145966.35 2870.0 – C57
2021-02-20 05:04:05 S 09 57 26.498 -07 59 13.09 – V C57
2021-02-20 05:04:05 s 1 -200188.18 1 +145234.96 8540.0 – C57
2021-02-20 05:14:05 S 09 57 24.590 -07 59 12.98 – V C57
2021-02-20 05:14:05 s 1 -200135.70 5 +144502.24 780.0 – C57
2021-02-20 05:24:05 S 09 57 22.704 -07 59 10.43 – V C57
2021-02-20 05:24:05 s 1 -200081.38 6 +143768.18 9570.0 – C57
2021-02-20 05:34:05 S 09 57 20.731 -07 59 10.82 – V C57
2021-02-20 05:34:05 s 1 -200025.21 4 +143032.79 4900.0 – C57
2021-02-20 05:44:05 S 09 57 18.850 -07 59 07.84 – V C57
2021-02-20 05:44:05 s 1 -199967.18 0 +142296.07 6730.0 – C57
2021-02-20 05:54:05 S 09 57 16.956 -07 59 07.58 – V C57
2021-02-20 05:54:05 s 1 -199907.27 4 +141558.00 5060.0 – C57
2021-02-20 06:04:05 S 09 57 15.110 -07 59 06.11 – 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)