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NEODyS ∴ Objects ∴ Hephaistos ∴ Orbital info ∴ Epoch 60400 MJD
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(2212) Hephaistos  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2212.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 2.16407 3.778e-09 au
e 0.837304 2.155e-08
i 11.477 4.64e-06 deg
Ω 27.412 1.501e-05 deg
ω 209.582 1.482e-05 deg
M 123.284 2.621e-06 deg
Other useful info
Absolute Magnitude (H)    13.4 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.3521 au
Aphelion distance 3.976 au
Asc. node-Earth separation 1.38411 au
Desc. node-Earth separation -0.62961 au
Earth MOID 0.11518 au
Orbital period 1162.8 days
Date of orbit computation   feb 27 11:49

Covariance matrix
1.42750066E-17-2.46851087E-17-2.75514787E-15-4.51768921E-154.02729826E-15-5.71083518E-15
-2.46851087E-174.64269414E-16-3.15570091E-15-4.13496026E-15-3.86302424E-152.74507205E-14
-2.75514787E-15-3.15570091E-152.15307898E-113.60042343E-11-3.45331610E-116.75477989E-13
-4.51768921E-15-4.13496026E-153.60042343E-112.25330379E-10-2.19384531E-101.56304850E-12
4.02729826E-15-3.86302424E-15-3.45331610E-11-2.19384531E-102.19562443E-10-3.63432888E-12
-5.71083518E-152.74507205E-146.75477989E-131.56304850E-12-3.63432888E-126.86712434E-12

Correlation matrix
1.00000000-0.30322280-0.15715448-0.079655970.07193605-0.57679835
-0.303222801.00000000-0.03156318-0.01278428-0.012099390.48616227
-0.15715448-0.031563181.000000000.51690856-0.502258530.05555124
-0.07965597-0.012784280.516908561.00000000-0.986318320.03973517
0.07193605-0.01209939-0.50225853-0.986318321.00000000-0.09359610
-0.576798350.486162270.055551240.03973517-0.093596101.00000000