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
2021-02-12 11:01:20 C 10 12 33.018 -07 40 36.66 – U F52
2021-02-12 11:17:03 C 10 12 32.123 -07 40 38.66 – U F52
2021-02-12 11:32:48 C 10 12 31.221 -07 40 40.65 – U F52
2021-02-12 11:48:32 C 10 12 30.324 -07 40 42.60 – U F52
2021-02-12 13:24:06 S 10 14 37.423 -07 38 48.41 – V C57
2021-02-12 13:24:06 s 1 +104485.36 1 +292021.73 7360.0 – C57
2021-02-12 13:44:06 S 10 14 36.960 -07 38 53.30 – V C57
2021-02-12 13:44:06 s 1 +103894.58 5 +292947.11 8000.0 – C57
2021-02-12 14:54:06 S 10 14 35.023 -07 39 06.08 – V C57
2021-02-12 14:54:06 s 1 +101811.15 1 +296142.17 1180.0 – C57
2021-02-12 15:04:06 S 10 14 34.822 -07 39 09.43 – V C57
2021-02-12 15:04:06 s 1 +101511.56 0 +296593.08 7390.0 – C57
2021-02-12 15:14:06 S 10 14 34.368 -07 39 08.17 – V C57
2021-02-12 15:14:06 s 1 +101211.48 9 +297042.61 2550.0 – C57
2021-02-12 15:24:06 S 10 14 34.039 -07 39 06.70 – V C57
2021-02-12 15:24:06 s 1 +100910.94 0 +297490.77 6670.0 – C57
2021-02-12 15:34:06 S 10 14 33.782 -07 39 09.04 – V C57
2021-02-12 15:34:06 s 1 +100609.91 6 +297937.56 9750.0 – C57
2021-02-12 16:24:06 S 10 14 32.345 -07 39 20.92 – V C57
2021-02-12 16:24:06 s 1 +99097.765 0 +300151.00 9860.0 – C57
2021-02-12 16:44:06 S 10 14 31.704 -07 39 24.55 – V C57
2021-02-12 16:44:06 s 1 +98489.675 0 +301026.86 2860.0 – C57
2021-02-12 16:54:06 S 10 14 31.294 -07 39 26.68 – V C57
2021-02-12 16:54:06 s 1 +98184.949 0 +301462.75 7870.0 – C57
2021-02-12 17:34:06 S 10 14 29.990 -07 39 33.26 – V C57
2021-02-12 17:34:06 s 1 +96961.564 0 +303192.83 8120.0 – C57
2021-02-12 18:14:06 S 10 14 28.882 -07 39 43.56 – V C57
2021-02-12 18:14:06 s 1 +95731.138 0 +304901.39 2950.0 – C57
2021-02-12 18:24:06 S 10 14 28.560 -07 39 46.04 – V C57
2021-02-12 18:24:06 s 1 +95422.451 0 +305325.19 9280.0 – C57
2021-02-12 18:34:06 S 10 14 28.303 -07 39 46.40 – V C57
2021-02-12 18:34:06 s 1 +95113.336 0 +305747.65 4680.0 – C57
2021-02-12 18:44:06 S 10 14 27.982 -07 39 47.20 – V C57
2021-02-12 18:44:06 s 1 +94803.796 0 +306168.78 9140.0 – C57
2021-02-12 18:54:06 S 10 14 27.648 -07 39 52.13 – V C57
2021-02-12 18:54:06 s 1 +94493.834 0 +306588.58 2680.0 – C57
2021-02-12 19:14:06 S 10 14 26.770 -07 39 53.96 – V C57
2021-02-12 19:14:06 s 1 +93872.654 0 +307424.19 6990.0 – C57
2021-02-12 19:24:06 S 10 14 26.818 -07 39 53.06 – V C57
2021-02-12 19:24:06 s 1 +93561.440 0 +307840.01 7770.0 – C57
2021-02-12 19:34:06 S 10 14 26.126 -07 39 56.63 – V C57
2021-02-12 19:34:06 s 1 +93249.814 0 +308254.51 7640.0 – C57
2021-02-12 19:44:06 S 10 14 25.970 -07 39 59.11 – V C57
2021-02-12 19:44:06 s 1 +92937.778 0 +308667.69 6610.0 – C57
2021-02-12 19:54:06 S 10 14 25.538 -07 40 03.50 – V C57
2021-02-12 19:54:06 s 1 +92625.334 0 +309079.55 4680.0 – C57
2021-02-12 20:04:06 S 10 14 25.214 -07 40 02.32 – V C57
2021-02-12 20:04:06 s 1 +92312.486 0 +309490.09 1850.0 – C57
2021-02-12 20:24:06 S 10 14 24.694 -07 40 05.84 – V C57
2021-02-12 20:24:06 s 1 +91685.583 0 +310307.23 3550.0 – 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)