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D/1993 F2-Q2 (Shoemaker-Levy 9)
Classification: Jupiter-family Comet          SPK-ID: 1000197
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2449480.5 (1994-May-08.0) TDB
Reference: JPL QB13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2074533702731237 7.2643e-06  
a 6.787490830834709 6.361e-05 au
q 5.379402982280125 7.0243e-06 au
i 5.823606982143803 9.0063e-05 deg
node 220.9245601796864 0.00016371 deg
peri 355.0110660235005 0.0023275 deg
M 2.16063770857906 0.0015021 deg
tp 2449441.734823888293
(1994-Mar-30.23482389)
0.026515 TDB
period 6458.955772549351
17.68
0.090796
0.0002486
d
yr
n .05573656372288611 7.8351e-07 deg/d
Q 8.195578679389294 7.6806e-05 au
  Orbit Determination Parameters
   planetary ephem.      DE403  
   source      ORB  

Additional Information
 Earth MOID = 4.3729 au 
 Jupiter MOID = .00494578 au 
 T_jup = 2.990 
 not valid before 1992-Jul-15.00000000 
 not valid after 1994-Jul-20.82222222 
 Valid 1992-Jul-15_00:00 to 1994-Jul-20_19:44 UTC ERT 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 5.276972197865084E-11 4.499946527195984E-12 1.601254566370469E-7 8.502944933564169E-11 1.375309833771482E-8 -2.618732934053525E-10
q 4.499946527195984E-12 4.934045530970048E-11 -2.573300733561365E-8 7.34236673632689E-10 -3.021756208284591E-9 4.704982662221666E-11
tp 1.601254566370469E-7 -2.573300733561365E-8 .0007030207125447735 -6.882146667550749E-7 6.156507020613275E-5 -2.554603407347627E-7
node 8.502944933564169E-11 7.34236673632689E-10 -6.882146667550749E-7 2.680075457225214E-8 -8.610294952520484E-8 -6.321375875573786E-10
peri 1.375309833771482E-8 -3.021756208284591E-9 6.156507020613275E-5 -8.610294952520484E-8 5.417188592384824E-6 -2.125032661484367E-8
i -2.618732934053525E-10 4.704982662221666E-11 -2.554603407347627E-7 -6.321375875573786E-10 -2.125032661484367E-8 8.111377973946622E-9

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

no physical parameters available

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1994.2   D/1993 F2-Q2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Close-Approach Data ]
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