AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2007BL21 ∴ Orbital info ∴ Epoch epochXXX
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(309169) 2007BL21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 309169.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.1398 2.687e-08 au
e 0.054816 5.048e-08
i 12.179 5.469e-06 deg
Ω 110.145 2.813e-05 deg
ω 21.34 6.51e-05 deg
M 27.577 5.911e-05 deg
Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9677 au
Aphelion 3.3119 au
Asc. node-Earth separation 1.9955 au
Desc. node-Earth separation 2.28228 au
Earth MOID 1.98674 au
Orbital period 2032.13 days
Date of orbit computation  apr 23 20:55
Correlation matrix
1.00000000-0.185767430.03073431-0.028051130.04793523-0.14443315
-0.185767431.00000000-0.00414379-0.013879020.14297035-0.12268693
0.03073431-0.004143791.00000000-0.00582178-0.005247810.00826147
-0.02805113-0.01387902-0.005821781.00000000-0.41482405-0.00751079
0.047935230.14297035-0.00524781-0.414824051.00000000-0.89948856
-0.14443315-0.122686930.00826147-0.00751079-0.899488561.00000000
Covariance matrix
7.22069078E-16-2.51996614E-164.51687819E-15-2.12068676E-148.38488523E-14-2.29409417E-13
-2.51996614E-162.54842290E-15-1.14408798E-15-1.97120343E-144.69823423E-13-3.66090993E-13
4.51687819E-15-1.14408798E-152.99123969E-11-8.95814828E-13-1.86834375E-122.67077808E-12
-2.12068676E-14-1.97120343E-14-8.95814828E-137.91541574E-10-7.59720305E-10-1.24904288E-11
8.38488523E-144.69823423E-13-1.86834375E-12-7.59720305E-104.23746260E-09-3.46101576E-09
-2.29409417E-13-3.66090993E-132.67077808E-12-1.24904288E-11-3.46101576E-093.49389607E-09