AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2007DL21 ∴ Orbital info ∴ Epoch epochXXX
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(227844) 2007DL21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 227844.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.56547 2.092e-08 au
e 0.112306 5.593e-08
i 4.245 6.531e-06 deg
Ω 357.888 7.953e-05 deg
ω 267.858 9.51e-05 deg
M 325.803 6.412e-05 deg
Other useful info
Absolute Magnitude (H)    16.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2774 au
Aphelion 2.8536 au
Asc. node-Earth separation 1.54029 au
Desc. node-Earth separation 1.52725 au
Earth MOID 1.26634 au
Orbital period 1500.89 days
Date of orbit computation  apr 23 20:37
Correlation matrix
1.000000000.268158570.007149360.010840940.24377153-0.54612169
0.268158571.00000000-0.01144491-0.004967510.06552326-0.13110589
0.00714936-0.011444911.00000000-0.062875300.05730085-0.00838487
0.01084094-0.00496751-0.062875301.00000000-0.82245564-0.01806261
0.243771530.065523260.05730085-0.822455641.00000000-0.54806552
-0.54612169-0.13110589-0.00838487-0.01806261-0.548065521.00000000
Covariance matrix
4.37757929E-163.13776924E-169.76929283E-161.80385573E-144.85020377E-13-7.32691657E-13
3.13776924E-163.12769665E-15-4.18026602E-15-2.20937200E-143.48471937E-13-4.70163964E-13
9.76929283E-16-4.18026602E-154.26538615E-11-3.26570682E-113.55877275E-11-3.51148140E-12
1.80385573E-14-2.20937200E-14-3.26570682E-116.32464026E-09-6.21999997E-09-9.21113683E-11
4.85020377E-133.48471937E-133.55877275E-11-6.21999997E-099.04315480E-09-3.34200639E-09
-7.32691657E-13-4.70163964E-13-3.51148140E-12-9.21113683E-11-3.34200639E-094.11177765E-09