AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009RQ18 ∴ Orbital info ∴ Epoch epochXXX
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(494954) 2009RQ18  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 494954.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.70153 2.901e-08 au
e 0.194435 8.184e-08
i 11.524 8.149e-06 deg
Ω 199.12 3.466e-05 deg
ω 164.166 4.058e-05 deg
M 89.247 2.117e-05 deg
Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1763 au
Aphelion 3.2268 au
Asc. node-Earth separation 2.19595 au
Desc. node-Earth separation 1.19257 au
Earth MOID 1.1771 au
Orbital period 1621.86 days
Date of orbit computation  apr 23 21:35
Correlation matrix
1.00000000-0.05387095-0.00304774-0.012583950.06127001-0.51455906
-0.053870951.00000000-0.00596809-0.00316457-0.125436560.10838669
-0.00304774-0.005968091.00000000-0.054686240.030310290.02575252
-0.01258395-0.00316457-0.054686241.00000000-0.82765794-0.01263815
0.06127001-0.125436560.03031029-0.827657941.00000000-0.47542136
-0.514559060.108386690.02575252-0.01263815-0.475421361.00000000
Covariance matrix
8.41356804E-16-1.27877002E-16-7.20364718E-16-1.26526997E-147.21120947E-14-3.15986810E-13
-1.27877002E-166.69723197E-15-3.97986196E-15-8.97714091E-15-4.16525716E-131.87787748E-13
-7.20364718E-16-3.97986196E-156.64001873E-11-1.54468138E-111.00217770E-114.44271072E-12
-1.26526997E-14-8.97714091E-15-1.54468138E-111.20157905E-09-1.16411822E-09-9.27477024E-12
7.21120947E-14-4.16525716E-131.00217770E-11-1.16411822E-091.64641780E-09-4.08406208E-10
-3.15986810E-131.87787748E-134.44271072E-12-9.27477024E-12-4.08406208E-104.48215875E-10