AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999RD21 ∴ Orbital info ∴ Epoch epochXXX
Contact »
(137229) 1999RD21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 137229.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.2883 6.07e-09 au
e 0.212904 4.726e-08
i 5.499 3.635e-06 deg
Ω 341.098 4.979e-05 deg
ω 86.492 5.113e-05 deg
M 342.981 9.39e-06 deg
Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8011 au
Aphelion 2.7755 au
Asc. node-Earth separation 1.14825 au
Desc. node-Earth separation 1.22275 au
Earth MOID 0.82531 au
Orbital period 1264.35 days
Date of orbit computation  apr 23 20:17
Correlation matrix
1.000000000.20088228-0.005344010.01427241-0.08120069-0.01534974
0.200882281.00000000-0.061601950.00924545-0.094041140.35064012
-0.00534401-0.061601951.000000000.41486113-0.39273621-0.04151120
0.014272410.009245450.414861131.00000000-0.96695018-0.00862094
-0.08120069-0.09404114-0.39273621-0.966950181.00000000-0.22985815
-0.015349740.35064012-0.04151120-0.00862094-0.229858151.00000000
Covariance matrix
3.68422573E-175.76193392E-17-1.17904947E-164.31314320E-15-2.52025241E-14-8.74897792E-16
5.76193392E-172.23309436E-15-1.05813148E-142.17522896E-14-2.27238887E-131.55595999E-13
-1.17904947E-16-1.05813148E-141.32124491E-117.50789055E-11-7.29968005E-11-1.41690334E-12
4.31314320E-152.17522896E-147.50789055E-112.47883174E-09-2.46172107E-09-4.03052238E-12
-2.52025241E-14-2.27238887E-13-7.29968005E-11-2.46172107E-092.61470342E-09-1.10370855E-10
-8.74897792E-161.55595999E-13-1.41690334E-12-4.03052238E-12-1.10370855E-108.81792842E-11