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
2021-02-14 10:34:06 S 10 12 44.676 -07 47 17.52 – V C57
2021-02-14 10:34:06 s 1 +13093.401 0 +372176.82 5810.0 – C57
2021-02-14 10:44:06 S 10 12 44.297 -07 47 20.36 – V C57
2021-02-14 10:44:06 s 1 +12733.797 0 +372319.61 850.0 – C57
2021-02-14 10:54:06 S 10 12 43.666 -07 47 21.59 – V C57
2021-02-14 10:54:06 s 1 +12374.144 0 +372461.37 5720.0 – C57
2021-02-14 11:04:06 S 10 12 43.366 -07 47 23.39 – V C57
2021-02-14 11:04:06 s 1 +12014.442 0 +372602.08 420.0 – C57
2021-02-14 12:14:06 S 10 12 39.310 -07 47 37.36 – V C57
2021-02-14 12:44:06 S 10 12 37.752 -07 47 42.25 – V C57
2021-02-15 11:19:03 C 10 08 28.29 -07 47 40.3 – V T08
2021-02-15 11:48:39 C 10 08 25.88 -07 47 42.1 – V T08
2021-02-15 12:01:25 C 10 08 24.84 -07 47 42.8 – V T08
2021-02-16 10:44:07 C 10 06 45.81 -07 48 55.5 – V T05
2021-02-16 11:31:34 C 10 06 41.40 -07 48 57.3 – V T05
2021-02-16 11:36:11 C 10 06 40.97 -07 48 57.5 – V T05
2021-02-16 11:48:46 C 10 06 39.81 -07 48 58.0 – V T05
2021-02-16 11:53:23 C 10 06 39.38 -07 48 58.2 – V T05
2021-02-16 11:58:00 C 10 06 38.95 -07 48 58.2 – V T05
2021-02-16 12:40:00 C 10 06 35.06 -07 48 59.4 – V T05
2021-02-16 23:33:19 C 10 05 43.55 -07 49 41.2 – V Z80
2021-02-16 23:41:47 C 10 05 42.72 -07 49 41.3 – V Z80
2021-02-17 10:13:21 C 10 04 47.443 -07 49 31.54 – U F52
2021-02-17 10:30:03 C 10 04 45.663 -07 49 32.29 – U F52
2021-02-17 10:46:50 C 10 04 43.883 -07 49 32.48 – U F52
2021-02-17 10:53:49 C 10 04 43.14 -07 49 32.6 – V T05
2021-02-17 10:58:27 C 10 04 42.65 -07 49 32.6 – V T05
2021-02-17 11:03:33 C 10 04 42.109 -07 49 32.58 – U F52
2021-02-17 11:07:13 C 10 04 41.72 -07 49 32.6 – V T05
2021-02-17 11:58:12 C 10 04 36.30 -07 49 32.8 – V T05
2021-02-17 13:34:05 S 10 06 45.089 -07 58 27.05 – V C57
2021-02-17 13:34:05 s 1 -139596.69 4 +336959.55 8810.0 – C57
2021-02-17 13:54:05 S 10 06 42.881 -07 58 27.73 – V C57
2021-02-17 13:54:05 s 1 -140169.30 3 +336363.90 7740.0 – C57
2021-02-17 14:14:06 S 10 06 40.726 -07 58 29.86 – V C57
2021-02-17 14:14:06 s 1 -140740.30 1 +335764.27 3820.0 – C57
2021-02-17 14:24:05 S 10 06 39.610 -07 58 29.68 – V C57
2021-02-17 14:24:05 s 1 -141025.19 3 +335462.96 5790.0 – C57
2021-02-17 14:34:06 S 10 06 38.508 -07 58 31.80 – V C57
2021-02-17 14:34:06 s 1 -141309.67 8 +335160.64 7040.0 – C57
2021-02-17 14:44:05 S 10 06 37.402 -07 58 32.05 – V C57
2021-02-17 14:44:05 s 1 -141593.75 5 +334857.33 7570.0 – C57
2021-02-17 14:54:06 S 10 06 36.242 -07 58 33.13 – V C57
2021-02-17 14:54:06 s 1 -141877.42 2 +334553.02 7380.0 – C57
2021-02-17 15:04:05 S 10 06 35.081 -07 58 35.72 – V C57
2021-02-17 15:04:05 s 1 -142160.67 9 +334247.71 6460.0 – C57
2021-02-17 15:14:06 S 10 06 33.977 -07 58 35.04 – V C57
2021-02-17 15:14:06 s 1 -142443.52 3 +333941.40 4810.0 – C57
2021-02-17 15:24:05 S 10 06 32.935 -07 58 36.05 – V C57
2021-02-17 15:24:05 s 1 -142725.95 2 +333634.09 2430.0 – 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)