AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999UN21 ∴ Orbital info ∴ Epoch epochXXX
Contact »
(264329) 1999UN21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 264329.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.31151 1.233e-08 au
e 0.112552 1.836e-07
i 1.722 1.324e-05 deg
Ω 216.937 0.0002784 deg
ω 165.901 0.0002835 deg
M 349.259 5.17e-05 deg
Other useful info
Absolute Magnitude (H)    18.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0513 au
Aphelion 2.5717 au
Asc. node-Earth separation 1.5551 au
Desc. node-Earth separation 1.0655 au
Earth MOID 1.05454 au
Orbital period 1283.63 days
Date of orbit computation  Jun 5 01:33
Correlation matrix
1.00000000-0.422950720.011799440.014110260.06184944-0.48333608
-0.422950721.00000000-0.022221870.00561738-0.131947850.61863868
0.01179944-0.022221871.00000000-0.454944630.44709610-0.00552606
0.014110260.00561738-0.454944631.00000000-0.97901876-0.01497754
0.06184944-0.131947850.44709610-0.979018761.00000000-0.18609593
-0.483336080.61863868-0.00552606-0.01497754-0.186095931.00000000
Covariance matrix
1.51998842E-16-9.57213675E-161.92655790E-154.84334218E-142.16208685E-13-3.08095804E-13
-9.57213675E-163.36975223E-14-5.40232001E-142.87093205E-13-6.86781398E-125.87154615E-12
1.92655790E-15-5.40232001E-141.75388566E-10-1.67744879E-091.67887646E-09-3.78384215E-12
4.84334218E-142.87093205E-13-1.67744879E-097.75140054E-08-7.72855527E-08-2.15599087E-10
2.16208685E-13-6.86781398E-121.67887646E-09-7.72855527E-088.03959980E-08-2.72816434E-09
-3.08095804E-135.87154615E-12-3.78384215E-12-2.15599087E-10-2.72816434E-092.67320862E-09