AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998HN9 ∴ Orbital info ∴ Epoch epochXXX
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(155442) 1998HN9  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 155442.eq0)
Keplerian elements at epoch
58120.9 MJD
Value 1-σ variation Units
a 2.76062 1.627e-08 au
e 0.099525 4.076e-08
i 9.964 4.534e-06 deg
Ω 136.823 2.389e-05 deg
ω 339.93 3.344e-05 deg
M 200.031 2.246e-05 deg
Other useful info
Absolute Magnitude (H)    15.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4859 au
Aphelion 3.0354 au
Asc. node-Earth separation 1.51367 au
Desc. node-Earth separation 2.00319 au
Earth MOID 1.50421 au
Orbital period 1675.37 days
Date of orbit computation  apr 23 20:21
Correlation matrix
1.00000000-0.157327490.00234788-0.000388340.15937228-0.22873765
-0.157327491.00000000-0.00733875-0.00640688-0.033765890.02733389
0.00234788-0.007338751.000000000.02575797-0.022346110.00794961
-0.00038834-0.006406880.025757971.00000000-0.70142068-0.00265543
0.15937228-0.03376589-0.02234611-0.701420681.00000000-0.70422577
-0.228737650.027333890.00794961-0.00265543-0.704225771.00000000
Covariance matrix
2.64726273E-16-1.04330389E-161.73190905E-16-1.50929127E-168.67242572E-14-8.35888248E-14
-1.04330389E-161.66117504E-15-1.35606371E-15-6.23762826E-15-4.60272627E-142.50219530E-14
1.73190905E-16-1.35606371E-152.05542105E-112.78950349E-12-3.38829746E-128.09483924E-13
-1.50929127E-16-6.23762826E-152.78950349E-125.70597396E-10-5.60367235E-10-1.42466343E-12
8.67242572E-14-4.60272627E-14-3.38829746E-12-5.60367235E-101.11855812E-09-5.28997028E-10
-8.35888248E-142.50219530E-148.09483924E-13-1.42466343E-12-5.28997028E-105.04456926E-10