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205P/Giacobini-C
Classification: Jupiter-family Comet          SPK-ID: 1002997
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454679.5 (2008-Aug-01.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.5687302569766289339625 2.2486e-05  
a 3.5399689569418089085672 2.9573e-05 au
q 1.5266815023710049725735 9.2201e-05 au
i 15.308543661944190361623 0.00058659 deg
node 179.6270623155098 0.00071295 deg
peri 154.2717704299316 0.0039115 deg
M 354.0431894928307 0.00073956 deg
tp 2454719.753986017131
(2008-Sep-10.25398602)
0.0050653 TDB
period 2432.750705889669
6.66
0.030485
8.346e-05
d
yr
n .147980637361832 1.8544e-06 deg/d
Q 5.553256411512614 4.6392e-05 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 6.25202759905467E-9 5.26E-10
A2 [EST] 2.271900440689285E-10 9.546E-12
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      40927 days (112.05 yr)  
   first obs. used      1896-09-04  
   last obs. used      2008-09-24  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      3  
   norm. resid. RMS      .99216  
   source      ORB  
   producer      Nick Mastrodemos  
   solution date      2008-Sep-24 17:17:59  

Additional Information
 Earth MOID = .532358 au 
 T_jup = 2.779 
[ hide covariance matrix ]
Orbit Covariance (8×8)
  e q tp node peri i A1 A2
e 5.056091514534522E-10 -2.072652538177471E-9 -1.408032401264354E-8 7.689097691611902E-9 6.329917450870824E-9 -5.657272584856196E-9 6.04046328215789E-15 1.648588711674867E-16
q -2.072652538177471E-9 8.500936699262233E-9 6.165857084194661E-8 -3.197191958929659E-8 -2.293515449879181E-8 2.357948756712707E-8 -2.539196310626614E-14 -6.745629391513668E-16
tp -1.408032401264354E-8 6.165857084194661E-8 2.565697112786631E-5 -3.060180888256977E-6 1.938896483051147E-5 2.707288324276637E-6 -2.293213589618189E-12 -3.135017046939445E-14
node 7.689097691611902E-9 -3.197191958929659E-8 -3.060180888256977E-6 5.083020417510693E-7 -2.176285716225675E-6 -4.059153901579069E-7 3.317837074962128E-13 5.489687407623092E-15
peri 6.329917450870824E-9 -2.293515449879181E-8 1.938896483051147E-5 -2.176285716225675E-6 1.52998653866089E-5 1.935670355909315E-6 -1.567299712634172E-12 -1.86952394019746E-14
i -5.657272584856196E-9 2.357948756712707E-8 2.707288324276637E-6 -4.059153901579069E-7 1.935670355909315E-6 3.440930737039561E-7 -2.809048650490719E-13 -4.554546922694066E-15
A1 6.04046328215789E-15 -2.539196310626614E-14 -2.293213589618189E-12 3.317837074962128E-13 -1.567299712634172E-12 -2.809048650490719E-13 2.766703840342069E-19 3.740852166115914E-21
A2 1.648588711674867E-16 -6.745629391513668E-16 -3.135017046939445E-14 5.489687407623092E-15 -1.86952394019746E-14 -4.554546922694066E-15 3.740852166115914E-21 9.112285368669825E-23

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

no physical parameters available

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