AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009RQ18 ∴ Orbital info ∴ Epoch epochXXX
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(494954) 2009RQ18  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 494954.eq0)
Keplerian elements at epoch
57892.6 MJD
Value 1-σ variation Units
a 2.70377 2.895e-08 au
e 0.192794 8.196e-08
i 11.52 8.147e-06 deg
Ω 199.151 3.466e-05 deg
ω 164.375 4.071e-05 deg
M 252.888 1.859e-05 deg
Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1825 au
Aphelion 3.225 au
Asc. node-Earth separation 2.19549 au
Desc. node-Earth separation 1.19714 au
Earth MOID 1.18213 au
Orbital period 1623.87 days
Date of orbit computation  apr 23 21:35
Correlation matrix
1.00000000-0.01480146-0.00349001-0.010476680.04295814-0.08274242
-0.014801461.00000000-0.00571482-0.00310943-0.132438120.11912060
-0.00349001-0.005714821.00000000-0.055486840.030599340.02822656
-0.01047668-0.00310943-0.055486841.00000000-0.82464275-0.02034529
0.04295814-0.132438120.03059934-0.824642751.00000000-0.52733050
-0.082742420.119120600.02822656-0.02034529-0.527330501.00000000
Covariance matrix
8.37962760E-16-3.51151749E-17-8.23094411E-16-1.05111906E-145.06198914E-14-4.45203534E-14
-3.51151749E-176.71669673E-15-3.81585002E-15-8.83230330E-15-4.41829017E-131.81460776E-13
-8.23094411E-16-3.81585002E-156.63777254E-11-1.56681275E-111.01481426E-114.27451813E-12
-1.05111906E-14-8.83230330E-15-1.56681275E-111.20124557E-09-1.16344299E-09-1.31068359E-11
5.06198914E-14-4.41829017E-131.01481426E-11-1.16344299E-091.65701608E-09-3.98992074E-10
-4.45203534E-141.81460776E-134.27451813E-12-1.31068359E-11-3.98992074E-103.45490439E-10