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323P/SOHO
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1002073
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.


Orbital Elements at Epoch 2454625.5 (2008-Jun-08.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9817284048892367 3.2956e-05  
a 2.610536708377317 1.1216e-06 au
q .047698669757255 8.604e-05 au
i 6.485264440642934 0.13467 deg
node 322.1822742254121 0.18987 deg
peri 355.0741626256408 0.18215 deg
M 1.792991746675086 0.00017541 deg
tp 2454617.826934186032
(2008-May-31.32693419)
0.00075059 TDB
period 1540.611493695317
4.22
0.0009929
2.718e-06
d
yr
n .2336734481556427 1.506e-07 deg/d
Q 5.173374746997379 2.2228e-06 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      6191 days (16.95 yr)  
   first obs. used      1999-12-12  
   last obs. used      2016-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      2  
   norm. resid. RMS      .37115  
   source      ORB  
   producer      Otto Matic  
   solution date      2016-Dec-22 10:12:04  

Additional Information
 Earth MOID = .0344345 au 
 Jupiter MOID = .16812 au 
 T_jup = 2.261 
[ show covariance matrix ]

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 
 2012.6   323P/2012 Q2       
 2008.4   323P/2008 K10       
 2004.2   323P/2004 E2       
 2000.0   323P/1999 X3       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Close-Approach Data ]
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