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73P/Schwassmann-Wachmann 3-R
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1002339
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.694088213263508 0.00011722  
a 3.06994234287616 0.0011581 au
q 0.939131547287258 5.7545e-06 au
i 11.3947263030202 0.00095849 deg
node 69.91308584130121 0.0016572 deg
peri 198.769702114044 0.0015061 deg
M 349.8891512863724 0.0059018 deg
tp 2453894.679640511567
(2006-Jun-08.17964051)
0.00098656 TDB
period 1964.688736504399
5.38
1.1117
0.003044
d
yr
n .1832351320141006 0.00010368 deg/d
Q 5.200753138465065 0.0019619 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      39 days  
   first obs. used      2006-03-24  
   last obs. used      2006-05-02  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      6  
   norm. resid. RMS      1.0588  
   source      ORB  
   producer      Nick Mastrodemos  
   solution date      2006-Aug-22 14:55:13  

Additional Information
 Earth MOID = .0405802 au 
 T_jup = 2.779 
[ 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 19.2   1.5 10 2 parameter fit from 97 observations
comet total magnitude slope K1 8.0   n/a 10 2 parameter fit from 97 observations
comet nuclear magnitude M2 20.0   1.0 10 from 80 observations
comet nuclear magnitude slope K2 5.0   n/a 10 from 80 observations

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