NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1999YA ∴ Orbital info ∴ Epoch 60400 MJD
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(331509) 1999YA  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 331509.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.67674 4.734e-09 au
e 0.339264 4.279e-08
i 38.24 1.138e-05 deg
Ω 106.158 8.467e-06 deg
ω 265.569 2.037e-05 deg
M 110.883 2.321e-05 deg
Other useful info
Absolute Magnitude (H)    18.2 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1079 au
Aphelion distance 2.2456 au
Asc. node-Earth separation 0.54092 au
Desc. node-Earth separation 0.42928 au
Earth MOID 0.36828 au
Orbital period 793.044 days
Date of orbit computation   feb 27 11:48

Covariance matrix
2.24062279E-17-1.21640227E-184.53341106E-15-4.92026882E-153.95447344E-14-7.49632439E-14
-1.21640227E-181.83133750E-152.85582195E-14-1.94441655E-142.77357032E-13-2.58124104E-13
4.53341106E-152.85582195E-141.29513497E-10-3.81481573E-114.97206751E-11-3.02529601E-11
-4.92026882E-15-1.94441655E-14-3.81481573E-117.16920379E-11-8.29410624E-113.91015780E-11
3.95447344E-142.77357032E-134.97206751E-11-8.29410624E-114.14827324E-10-4.19253433E-10
-7.49632439E-14-2.58124104E-13-3.02529601E-113.91015780E-11-4.19253433E-105.38665833E-10

Correlation matrix
1.00000000-0.006004940.08415564-0.122763420.41017635-0.68234542
-0.006004941.000000000.05863939-0.053662350.31821549-0.25988706
0.084155640.058639391.00000000-0.395895520.21450915-0.11453828
-0.12276342-0.05366235-0.395895521.00000000-0.480950580.19897527
0.410176350.318215490.21450915-0.480950581.00000000-0.88691752
-0.68234542-0.25988706-0.114538280.19897527-0.886917521.00000000