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AstDyS ∴ Objects ∴ 1998YW21 ∴ Orbital info ∴ Epoch epochXXX
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(129736) 1998YW21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 129736.eq0)
Keplerian elements at epoch
57582.7 MJD
Value 1-σ variation Units
a 2.17235 9.004e-09 au
e 0.157427 3.925e-08
i 4.442 4.217e-06 deg
Ω 297.482 6.433e-05 deg
ω 8.205 6.649e-05 deg
M 340.768 1.829e-05 deg
Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8304 au
Aphelion 2.5143 au
Asc. node-Earth separation 0.81679 au
Desc. node-Earth separation 1.52627 au
Earth MOID 0.81507 au
Orbital period 1169.48 days
Date of orbit computation  apr 23 20:15
Correlation matrix
1.00000000-0.327913890.019966560.010626550.00728160-0.08786972
-0.327913891.000000000.00759228-0.006025060.004511690.00975273
0.019966560.007592281.00000000-0.082021720.07914388-0.00527827
0.01062655-0.00602506-0.082021721.00000000-0.96232407-0.00745287
0.007281600.004511690.07914388-0.962324071.00000000-0.25977860
-0.087869720.00975273-0.00527827-0.00745287-0.259778601.00000000
Covariance matrix
8.10725114E-17-1.15877990E-167.58125297E-166.15549764E-154.35944769E-15-1.44719400E-14
-1.15877990E-161.54031188E-151.25654368E-15-1.52124742E-141.17736628E-147.00134284E-15
7.58125297E-161.25654368E-151.77828748E-11-2.22517379E-112.21914837E-11-4.07139898E-13
6.15549764E-15-1.52124742E-14-2.22517379E-114.13874060E-09-4.11645618E-09-8.77018165E-12
4.35944769E-151.17736628E-142.21914837E-11-4.11645618E-094.42115852E-09-3.15952728E-10
-1.44719400E-147.00134284E-15-4.07139898E-13-8.77018165E-12-3.15952728E-103.34581093E-10