AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2007DL21 ∴ Orbital info ∴ Epoch epochXXX
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(227844) 2007DL21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 227844.eq0)
Keplerian elements at epoch
57704.2 MJD
Value 1-σ variation Units
a 2.56529 2.074e-08 au
e 0.111457 5.627e-08
i 4.244 6.528e-06 deg
Ω 357.951 7.958e-05 deg
ω 268.472 9.521e-05 deg
M 38.439 6.045e-05 deg
Other useful info
Absolute Magnitude (H)    16.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2794 au
Aphelion 2.8512 au
Asc. node-Earth separation 1.53699 au
Desc. node-Earth separation 1.53202 au
Earth MOID 1.26964 au
Orbital period 1500.74 days
Date of orbit computation  apr 23 20:37
Correlation matrix
1.000000000.278835870.008083360.009840250.22931659-0.42347885
0.278835871.00000000-0.01086591-0.004471700.07145443-0.11662398
0.00808336-0.010865911.00000000-0.062866500.05724191-0.00793079
0.00984025-0.00447170-0.062866501.00000000-0.82212679-0.01765171
0.229316590.071454430.05724191-0.822126791.00000000-0.55269123
-0.42347885-0.11662398-0.00793079-0.01765171-0.552691231.00000000
Covariance matrix
4.30151745E-163.25442129E-161.09435386E-151.62414158E-144.52829707E-13-5.30963555E-13
3.25442129E-163.16685783E-15-3.99149018E-15-2.00259794E-143.82852955E-13-3.96756708E-13
1.09435386E-15-3.99149018E-154.26098241E-11-3.26573745E-113.55760397E-11-3.12963504E-12
1.62414158E-14-2.00259794E-14-3.26573745E-116.33306951E-09-6.22923208E-09-8.49211786E-11
4.52829707E-133.82852955E-133.55760397E-11-6.22923208E-099.06519524E-09-3.18121705E-09
-5.30963555E-13-3.96756708E-13-3.12963504E-12-8.49211786E-11-3.18121705E-093.65463735E-09