AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001DD9 ∴ Orbital info ∴ Epoch epochXXX
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(252171) 2001DD9  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 252171.eq0)
Keplerian elements at epoch
57865.0 MJD
Value 1-σ variation Units
a 1.91522 7.826e-09 au
e 0.074205 5.277e-08
i 20.108 6.768e-06 deg
Ω 341.376 1.625e-05 deg
ω 114.136 6.669e-05 deg
M 90.663 5.924e-05 deg
Other useful info
Absolute Magnitude (H)    17.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7731 au
Aphelion 2.0573 au
Asc. node-Earth separation 0.95463 au
Desc. node-Earth separation 0.85757 au
Earth MOID 0.83892 au
Orbital period 968.113 days
Date of orbit computation  apr 23 20:43
Correlation matrix
1.000000000.05561531-0.016823920.02097274-0.316675770.32305491
0.055615311.00000000-0.06764303-0.041278470.25875418-0.23743877
-0.01682392-0.067643031.000000000.14050713-0.02708309-0.00602718
0.02097274-0.041278470.140507131.00000000-0.312826650.09004065
-0.316675770.25875418-0.02708309-0.312826651.00000000-0.97151940
0.32305491-0.23743877-0.006027180.09004065-0.971519401.00000000
Covariance matrix
6.12475434E-172.29691691E-17-8.91129871E-162.66794367E-15-1.65280990E-131.49764979E-13
2.29691691E-172.78492302E-15-2.41601244E-14-3.54084721E-149.10663022E-13-7.42245895E-13
-8.91129871E-16-2.41601244E-144.58077573E-111.54577017E-11-1.22245110E-11-2.41642587E-12
2.66794367E-15-3.54084721E-141.54577017E-112.64212947E-10-3.39113063E-108.66972384E-11
-1.65280990E-139.10663022E-13-1.22245110E-11-3.39113063E-104.44761786E-09-3.83799844E-09
1.49764979E-13-7.42245895E-13-2.41642587E-128.66972384E-11-3.83799844E-093.50896603E-09