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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999XD118 ∴ Orbital info ∴ Epoch epochXXX
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(18878) 1999XD118  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 18878.eq0)
Keplerian elements at epoch
57220.0 MJD
Value 1-σ variation Units
a 2.19206 4.367e-09 au
e 0.139241 3.142e-08
i 5.023 2.321e-06 deg
Ω 37.565 3.632e-05 deg
ω 283.11 3.712e-05 deg
M 15.543 7.769e-06 deg
Other useful info
Absolute Magnitude (H)    14.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8868 au
Aphelion 2.4973 au
Asc. node-Earth separation 1.08977 au
Desc. node-Earth separation 1.21235 au
Earth MOID 0.88146 au
Orbital period 1185.43 days
Date of orbit computation  apr 23 19:50
Correlation matrix
1.00000000-0.225516720.012614120.00419402-0.024536260.10143444
-0.225516721.00000000-0.02718145-0.00166187-0.00048929-0.05015253
0.01261412-0.027181451.00000000-0.256053750.25064389-0.00250889
0.00419402-0.00166187-0.256053751.00000000-0.97377598-0.00144384
-0.02453626-0.000489290.25064389-0.973775981.00000000-0.21995396
0.10143444-0.05015253-0.00250889-0.00144384-0.219953961.00000000
Covariance matrix
1.90743375E-17-3.09415005E-171.27855408E-166.65315827E-16-3.97801173E-153.44182174E-15
-3.09415005E-179.86905971E-16-1.98174486E-15-1.89630694E-15-5.70609429E-16-1.22407754E-14
1.27855408E-16-1.98174486E-155.38610124E-12-2.15844713E-112.15937117E-11-4.52373708E-14
6.65315827E-16-1.89630694E-15-2.15844713E-111.31930754E-09-1.31300083E-09-4.07445828E-13
-3.97801173E-15-5.70609429E-162.15937117E-11-1.31300083E-091.37805273E-09-6.34370376E-11
3.44182174E-15-1.22407754E-14-4.52373708E-14-4.07445828E-13-6.34370376E-116.03609922E-11