AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998HW99 ∴ Orbital info ∴ Epoch epochXXX
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(22588) 1998HW99  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 22588.eq0)
Keplerian elements at epoch
58144.9 MJD
Value 1-σ variation Units
a 2.69764 1.189e-08 au
e 0.125293 4.524e-08
i 13.97 4.91e-06 deg
Ω 55.68 1.629e-05 deg
ω 187.318 2.37e-05 deg
M 147.706 1.776e-05 deg
Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3596 au
Aphelion 3.0356 au
Asc. node-Earth separation 2.04356 au
Desc. node-Earth separation 1.35157 au
Earth MOID 1.34879 au
Orbital period 1618.36 days
Date of orbit computation  apr 23 19:50
Correlation matrix
1.000000000.061024220.001124730.01147395-0.010410620.00007765
0.061024221.00000000-0.01812862-0.00998144-0.304902620.47973494
0.00112473-0.018128621.00000000-0.374029050.26348520-0.01830473
0.01147395-0.00998144-0.374029051.00000000-0.65375381-0.01452634
-0.01041062-0.304902620.26348520-0.653753811.00000000-0.73509037
0.000077650.47973494-0.01830473-0.01452634-0.735090371.00000000
Covariance matrix
1.41278369E-163.28147326E-176.56332697E-172.22185582E-15-2.93233561E-151.63900526E-17
3.28147326E-172.04671611E-15-4.02654598E-15-7.35677030E-15-3.26880739E-133.85439811E-13
6.56332697E-17-4.02654598E-152.41033961E-11-2.99164184E-113.06545338E-11-1.59598548E-12
2.22185582E-15-7.35677030E-15-2.99164184E-112.65417954E-10-2.52393845E-10-4.20288878E-12
-2.93233561E-15-3.26880739E-133.06545338E-11-2.52393845E-105.61563346E-10-3.09361687E-10
1.63900526E-173.85439811E-13-1.59598548E-12-4.20288878E-12-3.09361687E-103.15393573E-10