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
2021-02-18 23:04:05 S 10 02 28.210 -08 00 35.39 V C57
2021-02-18 23:04:05 s 1 -186874.43 2 +256409.38 8780.0 C57
2021-02-18 23:14:05 S 10 02 26.760 -08 00 33.80 V C57
2021-02-18 23:14:05 s 1 -187043.94 5 +255899.43 2520.0 C57
2021-02-18 23:24:05 S 10 02 25.250 -08 00 36.29 V C57
2021-02-18 23:24:05 s 1 -187212.63 6 +255388.35 4750.0 C57
2021-02-18 23:34:05 S 10 02 23.897 -08 00 35.06 V C57
2021-02-18 23:34:05 s 1 -187380.50 2 +254876.13 5470.0 C57
2021-02-18 23:44:05 S 10 02 22.358 -08 00 36.18 V C57
2021-02-18 23:44:05 s 1 -187547.53 9 +254362.77 4680.0 C57
2021-02-18 23:54:05 S 10 02 20.882 -08 00 35.39 V C57
2021-02-18 23:54:05 s 1 -187713.74 5 +253848.26 2360.0 C57
2021-02-19 00:04:05 S 10 02 19.426 -08 00 35.06 V C57
2021-02-19 00:04:05 s 1 -187879.11 5 +253332.62 8510.0 C57
2021-02-19 00:14:05 S 10 02 17.873 -08 00 36.50 V C57
2021-02-19 00:14:05 s 1 -188043.64 8 +252815.83 3130.0 C57
2021-02-19 00:24:05 S 10 02 16.462 -08 00 36.65 V C57
2021-02-19 00:24:05 s 1 -188207.33 9 +252297.89 6210.0 C57
2021-02-19 00:34:05 S 10 02 14.986 -08 00 35.89 V C57
2021-02-19 00:34:05 s 1 -188370.18 6 +251778.81 7740.0 C57
2021-02-19 00:44:05 S 10 02 13.418 -08 00 36.86 V C57
2021-02-19 00:44:05 s 1 -188532.18 5 +251258.58 7720.0 C57
2021-02-19 00:54:05 S 10 02 12.002 -08 00 35.96 V C57
2021-02-19 00:54:05 s 1 -188693.33 2 +250737.21 6130.0 C57
2021-02-19 01:04:05 S 10 02 10.495 -08 00 36.97 V C57
2021-02-19 01:04:05 s 1 -188853.62 5 +250214.69 2990.0 C57
2021-02-19 01:14:05 S 10 02 08.950 -08 00 37.22 V C57
2021-02-19 01:14:05 s 1 -189013.06 1 +249691.02 8270.0 C57
2021-02-19 01:24:05 S 10 02 07.519 -08 00 36.11 V C57
2021-02-19 01:24:05 s 1 -189171.63 5 +249166.19 1970.0 C57
2021-02-19 01:34:05 S 10 02 05.923 -08 00 38.66 V C57
2021-02-19 01:34:05 s 1 -189329.34 4 +248640.22 4080.0 C57
2021-02-19 01:44:05 S 10 02 04.433 -08 00 37.58 V C57
2021-02-19 01:44:05 s 1 -189486.18 5 +248113.09 4610.0 C57
2021-02-19 01:54:05 S 10 02 03.012 -08 00 37.26 V C57
2021-02-19 01:54:05 s 1 -189642.15 5 +247584.81 3540.0 C57
2021-02-19 02:04:05 S 10 02 01.440 -08 00 38.84 V C57
2021-02-19 02:04:05 s 1 -189797.25 0 +247055.37 860.0 C57
2021-02-19 02:14:05 S 10 01 59.935 -08 00 37.69 V C57
2021-02-19 02:14:05 s 1 -189951.46 7 +246524.78 6570.0 C57
2021-02-19 02:24:05 S 10 01 58.452 -08 00 38.30 V C57
2021-02-19 02:24:05 s 1 -190104.80 3 +245993.03 670.0 C57
2021-02-19 02:34:05 S 10 01 56.866 -08 00 38.20 V C57
2021-02-19 02:34:05 s 1 -190257.25 3 +245460.13 3140.0 C57
2021-02-19 02:44:05 S 10 01 55.445 -08 00 37.08 V C57
2021-02-19 02:44:05 s 1 -190408.81 4 +244926.06 3980.0 C57
2021-02-19 02:54:05 S 10 01 53.873 -08 00 38.34 V C57
2021-02-19 02:54:05 s 1 -190559.48 3 +244390.84 3180.0 C57
2021-02-19 03:04:05 S 10 01 52.346 -08 00 37.48 V C57
2021-02-19 03:04:05 s 1 -190709.25 6 +243854.45 740.0 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)