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322P/SOHO
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1001474
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457179.5 (2015-Jun-06.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9786764762641811 4.3971e-06  
a 2.51626146560583 4.9743e-07 au
q .0536555610873724 1.1072e-05 au
i 12.58923564712983 0.0013887 deg
node 359.5244877541514 0.018222 deg
peri 49.04947677107452 0.016821 deg
M 337.760658834809 0.00021393 deg
tp 2457269.564054382795
(2015-Sep-04.06405438)		 0.00089039 TDB
period 1457.914572962026
3.99		 0.00043232
1.184e-06		 d
yr
n .2469280482385142 7.3222e-08 deg/d
Q 4.978867370124287 9.8426e-07 au
   Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      5817 days (15.93 yr)  
   first obs. used      1999-09-04  
   last obs. used      2015-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      2  
   norm. resid. RMS      .44155  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2016-Oct-27 11:29:40  

Additional Information
 Earth MOID = .0921698 au 
 Jupiter MOID = 1.044 au 
 T_jup = 2.347 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 19.0   0.09 10 from 6 observations, assumed slope, autocmod 2.6g
comet total magnitude slope K1 10.   n/a 10 autocmod 2.6g

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year (est.)		  New-Style 
Desig		 Roman
 Numeral 		 Year/
 Letter 
 2011.7   322P/2011 R4       
 2007.7   322P/2007 R5       
 2003.7   322P/2003 R5       
 1999.7   322P/1999 R1       
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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