AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008HT21 ∴ Orbital info ∴ Epoch epochXXX
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(328309) 2008HT21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 328309.eq0)
Keplerian elements at epoch
58284.0 MJD
Value 1-σ variation Units
a 2.64276 1.511e-08 au
e 0.24028 4.348e-08
i 15.328 5.627e-06 deg
Ω 93.355 1.876e-05 deg
ω 209.519 2.21e-05 deg
M 80.548 1.044e-05 deg
Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0078 au
Aphelion 3.2778 au
Asc. node-Earth separation 2.16311 au
Desc. node-Earth separation 1.04311 au
Earth MOID 1.00471 au
Orbital period 1569.22 days
Date of orbit computation  apr 23 20:59
Correlation matrix
1.000000000.12446083-0.00544561-0.020924080.03401746-0.05497496
0.124460831.00000000-0.005438940.02312966-0.051103450.10108775
-0.00544561-0.005438941.00000000-0.066415240.05851095-0.00488595
-0.020924080.02312966-0.066415241.00000000-0.81453463-0.00422829
0.03401746-0.051103450.05851095-0.814534631.00000000-0.55018183
-0.054974960.10108775-0.00488595-0.00422829-0.550181831.00000000
Covariance matrix
2.28356741E-168.17838986E-17-4.63025437E-16-5.93296836E-151.13606423E-14-8.67454136E-15
8.17838986E-171.89084695E-15-1.33074209E-151.88719260E-14-4.91102854E-144.58988027E-14
-4.63025437E-16-1.33074209E-153.16593954E-11-7.01193530E-127.27582886E-12-2.87061297E-13
-5.93296836E-151.88719260E-14-7.01193530E-123.52077029E-10-3.37771070E-10-8.28435173E-13
1.13606423E-14-4.91102854E-147.27582886E-12-3.37771070E-104.88413998E-10-1.26962349E-10
-8.67454136E-154.58988027E-14-2.87061297E-13-8.28435173E-13-1.26962349E-101.09030829E-10