AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999SG21 ∴ Orbital info ∴ Epoch epochXXX
Contact »
(246958) 1999SG21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 246958.eq0)
Keplerian elements at epoch
58069.2 MJD
Value 1-σ variation Units
a 3.08366 2.417e-08 au
e 0.083368 6.388e-08
i 7.195 6.541e-06 deg
Ω 214.955 4.383e-05 deg
ω 283.626 5.812e-05 deg
M 15.712 3.814e-05 deg
Other useful info
Absolute Magnitude (H)    15.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.8266 au
Aphelion 3.3407 au
Asc. node-Earth separation 1.99674 au
Desc. node-Earth separation 2.13013 au
Earth MOID 1.85022 au
Orbital period 1977.87 days
Date of orbit computation  apr 23 20:41
Correlation matrix
1.00000000-0.167644020.01624118-0.00085970-0.081867520.11384158
-0.167644021.00000000-0.012077820.001879820.24296284-0.30974250
0.01624118-0.012077821.00000000-0.300322260.22489234-0.00197316
-0.000859700.00187982-0.300322261.00000000-0.74782821-0.00134884
-0.081867520.242962840.22489234-0.747828211.00000000-0.65764775
0.11384158-0.30974250-0.00197316-0.00134884-0.657647751.00000000
Covariance matrix
5.83986069E-16-2.58797451E-162.56721391E-15-9.10567103E-16-1.14977706E-131.04936217E-13
-2.58797451E-164.08076291E-15-5.04663976E-155.26322650E-159.02009846E-13-7.54735377E-13
2.56721391E-15-5.04663976E-154.27844781E-11-8.60983755E-118.54906310E-11-4.92298733E-13
-9.10567103E-165.26322650E-15-8.60983755E-111.92100559E-09-1.90487681E-09-2.25501259E-12
-1.14977706E-139.02009846E-138.54906310E-11-1.90487681E-093.37754755E-09-1.45786497E-09
1.04936217E-13-7.54735377E-13-4.92298733E-13-2.25501259E-12-1.45786497E-091.45494461E-09