AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997AC7 ∴ Orbital info ∴ Epoch epochXXX
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(20185) 1997AC7  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 20185.eq0)
Keplerian elements at epoch
57877.3 MJD
Value 1-σ variation Units
a 2.70654 9.445e-09 au
e 0.078021 3.011e-08
i 12.581 3.328e-06 deg
Ω 136.189 1.426e-05 deg
ω 1.76 2.608e-05 deg
M 191.352 2.126e-05 deg
Other useful info
Absolute Magnitude (H)    13.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4954 au
Aphelion 2.9177 au
Asc. node-Earth separation 1.50929 au
Desc. node-Earth separation 1.90428 au
Earth MOID 1.50884 au
Orbital period 1626.37 days
Date of orbit computation  apr 23 19:50
Correlation matrix
1.00000000-0.179233750.006301820.007814010.14897195-0.18738190
-0.179233751.00000000-0.01009841-0.01305607-0.037118610.07246300
0.00630182-0.010098411.00000000-0.081487770.05082631-0.00815865
0.00781401-0.01305607-0.081487771.00000000-0.52511712-0.01027769
0.14897195-0.037118610.05082631-0.525117121.00000000-0.84063403
-0.187381900.07246300-0.00815865-0.01027769-0.840634031.00000000
Covariance matrix
8.92124929E-17-5.09681850E-171.98087411E-161.05251481E-153.66985864E-14-3.76207670E-14
-5.09681850E-179.06427472E-16-1.01180753E-15-5.60558281E-15-2.91467570E-144.63735154E-14
1.98087411E-16-1.01180753E-151.10753251E-11-3.86733960E-124.41162729E-12-5.77143553E-13
1.05251481E-15-5.60558281E-15-3.86733960E-122.03368295E-10-1.95312389E-10-3.11547639E-12
3.66985864E-14-2.91467570E-144.41162729E-12-1.95312389E-106.80242840E-10-4.66043158E-10
-3.76207670E-144.63735154E-14-5.77143553E-13-3.11547639E-12-4.66043158E-104.51829268E-10