AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2007BL21 ∴ Orbital info ∴ Epoch epochXXX
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(309169) 2007BL21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 309169.eq0)
Keplerian elements at epoch
57901.6 MJD
Value 1-σ variation Units
a 3.14196 2.726e-08 au
e 0.054161 4.908e-08
i 12.197 5.479e-06 deg
Ω 110.303 2.803e-05 deg
ω 12.868 6.662e-05 deg
M 314.165 5.964e-05 deg
Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9718 au
Aphelion 3.3121 au
Asc. node-Earth separation 1.99076 au
Desc. node-Earth separation 2.29076 au
Earth MOID 1.98756 au
Orbital period 2034.23 days
Date of orbit computation  apr 23 20:55
Correlation matrix
1.00000000-0.158343780.011195800.003020590.12936264-0.15065384
-0.158343781.00000000-0.00193280-0.017385470.05813740-0.04491279
0.01119580-0.001932801.00000000-0.013589090.002810880.00390834
0.00302059-0.01738547-0.013589091.00000000-0.40926939-0.00219335
0.129362640.058137400.00281088-0.409269391.00000000-0.90931582
-0.15065384-0.044912790.00390834-0.00219335-0.909315821.00000000
Covariance matrix
7.43145301E-16-2.11870513E-161.67218352E-152.30832511E-152.34932355E-13-2.44938597E-13
-2.11870513E-162.40915797E-15-5.19770714E-16-2.39214178E-141.90101404E-13-1.31474894E-13
1.67218352E-15-5.19770714E-163.00181652E-11-2.08713368E-121.02596343E-121.27709987E-12
2.30832511E-15-2.39214178E-14-2.08713368E-127.85842995E-10-7.64318271E-10-3.66704231E-12
2.34932355E-131.90101404E-131.02596343E-12-7.64318271E-104.43807024E-09-3.61286716E-09
-2.44938597E-13-1.31474894E-131.27709987E-12-3.66704231E-12-3.61286716E-093.55697094E-09