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
2021-02-23 21:54:05 s 1 +158305.75 8 +124186.46 2290.0 C57
2021-02-23 22:24:05 S 09 41 29.203 -07 12 13.68 V C57
2021-02-23 22:24:05 s 1 +158354.14 9 +126858.08 7340.0 C57
2021-02-23 22:44:05 S 09 41 24.617 -07 12 09.29 V C57
2021-02-23 22:44:05 s 1 +158373.23 6 +128628.60 1310.0 C57
2021-02-23 23:24:05 S 09 41 15.751 -07 11 46.86 V C57
2021-02-23 23:24:05 s 1 +158380.54 9 +132144.37 8160.0 C57
2021-02-24 00:04:05 S 09 41 06.746 -07 11 29.80 V C57
2021-02-24 00:04:05 s 1 +158347.79 2 +135626.61 5660.0 C57
2021-02-24 00:54:05 S 09 40 55.198 -07 11 06.54 V C57
2021-02-24 00:54:05 s 1 +158252.39 4 +139932.52 2090.0 C57
2021-02-24 01:04:05 S 09 40 52.954 -07 11 01.07 V C57
2021-02-24 01:04:05 s 1 +158226.24 1 +140787.48 3350.0 C57
2021-02-24 01:14:05 S 09 40 50.402 -07 10 58.44 V C57
2021-02-24 01:14:05 s 1 +158197.77 3 +141640.38 10.0 C57
2021-02-24 01:24:05 S 09 40 48.278 -07 10 52.64 V C57
2021-02-24 01:24:05 s 1 +158167.00 8 +142491.20 2110.0 C57
2021-02-24 01:48:02 C 09 36 46.87 -07 22 21.5 V W46
2021-02-24 01:54:05 S 09 40 41.134 -07 10 38.50 V C57
2021-02-24 01:54:05 s 1 +158061.10 5 +145031.34 1400.0 C57
2021-02-24 01:59:08 C 09 36 42.94 -07 22 16.2 V W46
2021-02-24 02:04:05 S 09 40 38.815 -07 10 33.96 V C57
2021-02-24 02:04:05 s 1 +158021.32 6 +145873.95 5600.0 C57
2021-02-24 02:09:19 C 09 36 39.25 -07 22 11.2 V W46
2021-02-24 02:44:05 S 09 40 29.030 -07 10 16.46 V C57
2021-02-24 02:44:05 s 1 +157840.26 8 +149223.93 8800.0 C57
2021-02-24 02:54:05 S 09 40 26.724 -07 10 09.62 V C57
2021-02-24 02:54:05 s 1 +157789.60 1 +150056.33 1360.0 C57
2021-02-24 03:24:05 S 09 40 19.406 -07 09 57.82 V C57
2021-02-24 03:24:05 s 1 +157624.89 1 +152541.36 3760.0 C57
2021-02-24 06:14:05 S 09 39 36.566 -07 08 39.98 V C57
2021-02-24 06:14:05 s 1 +156349.56 3 +166282.39 2840.0 C57
2021-02-24 06:24:05 S 09 39 34.126 -07 08 34.91 V C57
2021-02-24 06:24:05 s 1 +156257.34 6 +167072.86 2600.0 C57
2021-02-24 06:54:05 S 09 39 26.585 -07 08 25.12 V C57
2021-02-24 06:54:05 s 1 +155969.80 1 +169432.56 120.0 C57
2021-02-24 07:24:05 S 09 39 18.319 -07 08 07.58 V C57
2021-02-24 07:24:05 s 1 +155666.18 4 +171774.73 5520.0 C57
2021-02-24 07:34:05 S 09 39 15.667 -07 08 01.97 V C57
2021-02-24 07:34:05 s 1 +155561.46 6 +172551.58 290.0 C57
2021-02-24 07:44:05 S 09 39 13.006 -07 07 57.25 V C57
2021-02-24 07:44:05 s 1 +155455.01 1 +173326.49 1600.0 C57
2021-02-24 07:54:05 S 09 39 10.279 -07 07 53.94 V C57
2021-02-24 07:54:05 s 1 +155346.83 3 +174099.48 9450.0 C57
2021-02-24 08:04:05 S 09 39 07.699 -07 07 48.68 V C57
2021-02-24 08:04:05 s 1 +155236.94 3 +174870.54 3880.0 C57
2021-02-24 08:14:05 S 09 39 04.973 -07 07 44.18 V C57
2021-02-24 08:14:05 s 1 +155125.35 4 +175639.68 4910.0 C57
2021-02-24 08:24:05 S 09 39 02.174 -07 07 38.75 V C57
2021-02-24 08:24:05 s 1 +155012.07 7 +176406.90 2560.0 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)