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73P/Schwassmann-Wachmann 3-AR
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1002367
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2453839.5 (2006-Apr-14.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.695799013016798 0.0053291  
a 3.08744810378797 0.053485 au
q 0.939204760431714 0.00018886 au
i 11.406522554195 0.042012 deg
node 69.96630167530681 0.081257 deg
peri 198.7098465902828 0.07789 deg
M 350.2237117938292 0.2635 deg
tp 2453893.310796666163
(2006-Jun-06.81079667)
0.052132 TDB
period 1981.517564876132
5.43
51.489
0.141
d
yr
n .1816789345606958 0.0047209 deg/d
Q 5.235691447144216 0.090699 au
  Orbit Determination Parameters
   # obs. used (total)      15  
   data-arc span      14 days  
   first obs. used      2006-04-07  
   last obs. used      2006-04-21  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      9  
   norm. resid. RMS      .80648  
   source      ORB  
   producer      Nick Mastrodemos  
   solution date      2006-Apr-30 18:51:30  

Additional Information
 Earth MOID = .040648 au 
 T_jup = 2.770 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 21.8   0.6 1 from 4 observations
comet total magnitude slope K1 20.0   n/a 1 from 4 observations

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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