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D/1993 F2-H (Shoemaker-Levy 9)
Classification: Jupiter-family Comet          SPK-ID: 1000188
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2449480.5 (1994-May-08.0) TDB
Reference: JPL H43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2117793239102651 4.0754e-06  
a 6.825465949228127 3.6527e-05 au
q 5.379973385128058 3.2125e-06 au
i 5.912868375664429 3.5307e-05 deg
node 220.7283092701876 7.933e-05 deg
peri 354.9484286592523 0.0010813 deg
M 2.316747000442115 0.00070361 deg
tp 2449438.584660118579
(1994-Mar-27.08466012)
0.012421 TDB
period 6513.237032110955
17.83
0.052283
0.0001431
d
yr
n .05527205569598673 4.4368e-07 deg/d
Q 8.270958513328196 4.4262e-05 au
  Orbit Determination Parameters
   planetary ephem.      DE403  
   source      ORB  

Additional Information
 Earth MOID = 4.37354 au 
 Jupiter MOID = .00504735 au 
 T_jup = 2.989 
 not valid before 1992-Jul-15.00000000 
 not valid after 1994-Jul-18.81388888 
 Valid 1992-Jul-15_00:00 to 1994-Jul-18_19:32 UTC ERT 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 1.66085049553615E-11 3.286127420725863E-12 4.742607377613035E-8 3.176364173908891E-11 4.068574943391162E-9 -8.973144681076526E-11
q 3.286127420725863E-12 1.031989146920354E-11 4.323262063532136E-9 1.727025883873396E-10 1.87662905990727E-10 7.046689219977796E-12
tp 4.742607377613035E-8 4.323262063532136E-9 .0001542692128997038 -4.271363182570808E-8 1.339488208774357E-5 -2.01436544993653E-7
node 3.176364173908891E-11 1.727025883873396E-10 -4.271363182570808E-8 6.293323812823228E-9 -9.896088438859105E-9 3.920311825172046E-10
peri 4.068574943391162E-9 1.87662905990727E-10 1.339488208774357E-5 -9.896088438859105E-9 1.169204929320718E-6 -1.777928751907102E-8
i -8.973144681076526E-11 7.046689219977796E-12 -2.01436544993653E-7 3.920311825172046E-10 -1.777928751907102E-8 1.246592040837397E-9

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Close-Approach Data ]

no physical parameters available

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Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1994.2   D/1993 F2-H       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Close-Approach Data ]
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