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
2021-02-24 08:34:05 S 09 38 59.522 -07 07 34.43 V C57
2021-02-24 08:34:05 s 1 +154897.12 4 +177172.21 6860.0 C57
2021-02-24 09:14:05 S 09 38 48.590 -07 07 16.18 V C57
2021-02-24 09:14:05 s 1 +154420.78 2 +180214.37 930.0 C57
2021-02-24 09:24:05 S 09 38 46.008 -07 07 11.75 V C57
2021-02-24 09:24:05 s 1 +154297.62 1 +180970.16 8780.0 C57
2021-02-24 09:34:05 S 09 38 43.123 -07 07 05.52 V C57
2021-02-24 09:34:05 s 1 +154172.85 2 +181724.06 3410.0 C57
2021-02-24 09:54:05 S 09 38 37.790 -07 06 57.89 V C57
2021-02-24 09:54:05 s 1 +153918.53 5 +183226.19 3080.0 C57
2021-02-24 10:24:05 S 09 38 29.198 -07 06 41.36 V C57
2021-02-24 10:24:05 s 1 +153525.27 3 +185465.29 8950.0 C57
2021-02-24 10:34:05 S 09 38 26.376 -07 06 36.61 V C57
2021-02-24 10:34:05 s 1 +153391.08 5 +186207.90 4690.0 C57
2021-02-24 10:44:05 S 09 38 23.570 -07 06 32.94 V C57
2021-02-24 10:44:05 s 1 +153255.36 5 +186948.66 7340.0 C57
2021-02-24 10:54:05 S 09 38 20.822 -07 06 27.94 V C57
2021-02-24 10:54:05 s 1 +153118.12 2 +187687.54 6940.0 C57
2021-02-24 11:04:05 S 09 38 18.130 -07 06 22.03 V C57
2021-02-24 11:04:05 s 1 +152979.36 7 +188424.57 3510.0 C57
2021-02-24 13:04:05 S 09 37 43.157 -07 05 23.46 V C57
2021-02-24 13:04:05 s 1 +151199.98 2 +197125.07 2460.0 C57
2021-02-24 13:24:05 S 09 37 37.301 -07 05 14.78 V C57
2021-02-24 13:24:05 s 1 +150883.57 0 +198549.59 7350.0 C57
2021-02-24 13:44:05 S 09 37 31.349 -07 05 02.90 V C57
2021-02-24 13:44:05 s 1 +150561.68 4 +199966.87 1200.0 C57
2021-02-24 13:54:05 S 09 37 28.495 -07 04 59.45 V C57
2021-02-24 13:54:05 s 1 +150398.71 1 +200672.81 9040.0 C57
2021-02-24 15:14:05 S 09 37 04.238 -07 04 18.52 V C57
2021-02-24 15:14:05 s 1 +149047.34 5 +206255.93 5780.0 C57
2021-02-24 15:44:05 S 09 36 54.967 -07 04 04.55 V C57
2021-02-24 15:44:05 s 1 +148519.33 2 +208320.31 420.0 C57
2021-02-24 16:34:05 S 09 36 39.341 -07 03 39.10 V C57
2021-02-24 16:34:05 s 1 +147614.42 2 +211725.78 7850.0 C57
2021-02-24 16:54:05 S 09 36 33.058 -07 03 27.86 V C57
2021-02-24 16:54:05 s 1 +147243.93 1 +213075.75 3570.0 C57
2021-02-24 17:04:05 S 09 36 29.906 -07 03 22.50 V C57
2021-02-24 17:04:05 s 1 +147056.88 8 +213748.13 2800.0 C57
2021-02-24 17:14:05 S 09 36 26.839 -07 03 18.04 V C57
2021-02-24 17:14:05 s 1 +146868.65 8 +214418.77 9630.0 C57
2021-02-24 17:24:05 S 09 36 23.486 -07 03 12.56 V C57
2021-02-24 17:24:05 s 1 +146679.24 8 +215087.68 4060.0 C57
2021-02-24 17:34:05 S 09 36 20.455 -07 03 06.95 V C57
2021-02-24 17:34:05 s 1 +146488.66 5 +215754.87 6120.0 C57
2021-02-24 18:14:05 S 09 36 07.488 -07 02 45.78 V C57
2021-02-24 18:14:05 s 1 +145714.75 0 +218406.41 900.0 C57
2021-02-24 18:24:05 S 09 36 04.226 -07 02 40.42 V C57
2021-02-24 18:24:05 s 1 +145518.41 2 +219065.02 1300.0 C57
2021-02-24 18:34:05 S 09 36 00.929 -07 02 35.88 V C57
2021-02-24 18:34:05 s 1 +145320.94 5 +219721.91 9410.0 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)