AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997ST18 ∴ Orbital info ∴ Epoch epochXXX
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(100610) 1997ST18  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 100610.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.7677 1.318e-08 au
e 0.080416 4.268e-08
i 0.653 5.185e-06 deg
Ω 22.311 0.0003616 deg
ω 208.819 0.0003629 deg
M 27.705 3.146e-05 deg
Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5451 au
Aphelion 2.9903 au
Asc. node-Earth separation 1.96153 au
Desc. node-Earth separation 1.56666 au
Earth MOID 1.53441 au
Orbital period 1681.81 days
Date of orbit computation  apr 23 20:09
Correlation matrix
1.000000000.01574816-0.005527790.01620563-0.01523859-0.15077731
0.015748161.00000000-0.00626879-0.00424758-0.023357940.29513923
-0.00552779-0.006268791.00000000-0.149346690.14927033-0.00405264
0.01620563-0.00424758-0.149346691.00000000-0.99598111-0.00349960
-0.01523859-0.023357940.14927033-0.995981111.00000000-0.08471702
-0.150777310.29513923-0.00405264-0.00349960-0.084717021.00000000
Covariance matrix
1.73801361E-168.86030655E-18-3.77848193E-167.72599496E-14-7.29129163E-14-6.25285814E-14
8.86030655E-181.82131272E-15-1.38712347E-15-6.55534571E-14-3.61792771E-133.96218909E-13
-3.77848193E-16-1.38712347E-152.68830073E-11-2.80024719E-102.80895932E-10-6.60986993E-13
7.72599496E-14-6.55534571E-14-2.80024719E-101.30774695E-07-1.30721189E-07-3.98103963E-11
-7.29129163E-14-3.61792771E-132.80895932E-10-1.30721189E-071.31724349E-07-9.67207548E-10
-6.25285814E-143.96218909E-13-6.60986993E-13-3.98103963E-11-9.67207548E-109.89536890E-10