AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997SN18 ∴ Orbital info ∴ Epoch epochXXX
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(152645) 1997SN18  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 152645.eq0)
Keplerian elements at epoch
57861.4 MJD
Value 1-σ variation Units
a 2.37601 1.019e-08 au
e 0.188957 5.299e-08
i 2.204 6.592e-06 deg
Ω 344.507 0.0001208 deg
ω 321.021 0.0001219 deg
M 155.108 1.692e-05 deg
Other useful info
Absolute Magnitude (H)    17.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9271 au
Aphelion 2.825 au
Asc. node-Earth separation 0.99013 au
Desc. node-Earth separation 1.69387 au
Earth MOID 0.91205 au
Orbital period 1337.74 days
Date of orbit computation  apr 23 20:20
Correlation matrix
1.00000000-0.177290420.005300850.02188105-0.02044593-0.00797256
-0.177290421.000000000.00720322-0.013566140.06832853-0.45871269
0.005300850.007203221.000000000.18686283-0.18474168-0.00419619
0.02188105-0.013566140.186862831.00000000-0.989674000.00503642
-0.020445930.06832853-0.18474168-0.989674001.00000000-0.14423474
-0.00797256-0.45871269-0.004196190.00503642-0.144234741.00000000
Covariance matrix
1.03816820E-16-9.57179213E-173.56062846E-162.69239872E-14-2.53879300E-14-1.37463862E-15
-9.57179213E-172.80768432E-152.51621926E-15-8.68096121E-144.41227601E-13-4.11312402E-13
3.56062846E-162.51621926E-154.34605336E-111.48767404E-10-1.48422206E-10-4.68122506E-13
2.69239872E-14-8.68096121E-141.48767404E-101.45839329E-08-1.45651831E-081.02923929E-11
-2.53879300E-144.41227601E-13-1.48422206E-10-1.45651831E-081.48515890E-08-2.97449509E-10
-1.37463862E-15-4.11312402E-13-4.68122506E-131.02923929E-11-2.97449509E-102.86360973E-10