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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Sappho ∴ Orbital info ∴ Epoch epochXXX
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(80) Sappho  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 80.eq0)
Keplerian elements at epoch
55626.9 MJD
Value 1-σ variation Units
a 2.2955 3.058e-09 au
e 0.200434 2.42e-08
i 8.665 3.139e-06 deg
Ω 218.784 2.027e-05 deg
ω 139.392 2.133e-05 deg
M 335.209 7.939e-06 deg
Other useful info
Absolute Magnitude (H)    8.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8354 au
Aphelion 2.7556 au
Asc. node-Earth separation 1.59142 au
Desc. node-Earth separation 0.91843 au
Earth MOID 0.84033 au
Orbital period 1270.32 days
Date of orbit computation  apr 23 19:45
Correlation matrix
1.00000000-0.024922870.019899240.006845310.02116569-0.12244908
-0.024922871.00000000-0.002364200.002220660.00712795-0.05054115
0.01989924-0.002364201.00000000-0.007712750.01709603-0.02130583
0.006845310.00222066-0.007712751.00000000-0.92935634-0.02147995
0.021165690.007127950.01709603-0.929356341.00000000-0.33537208
-0.12244908-0.05054115-0.02130583-0.02147995-0.335372081.00000000
Covariance matrix
9.35305818E-18-1.84491581E-181.91030719E-164.24419470E-161.38094551E-15-2.97288506E-15
-1.84491581E-185.85872845E-16-1.79629049E-161.08970746E-153.68072905E-15-9.71164030E-15
1.91030719E-16-1.79629049E-169.85325827E-12-4.90822633E-131.14486037E-12-5.30926251E-13
4.24419470E-161.08970746E-15-4.90822633E-134.11008291E-10-4.01952647E-10-3.45703868E-12
1.38094551E-153.68072905E-151.14486037E-12-4.01952647E-104.55129167E-10-5.67989117E-11
-2.97288506E-15-9.71164030E-15-5.30926251E-13-3.45703868E-12-5.67989117E-116.30219072E-11