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73P/Schwassmann-Wachmann 3-BN
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1002390
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2453856.5 (2006-May-01.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.691771506515135 0.0065477  
a 3.04704387959224 0.063426 au
q 0.939185744588995 0.00040138 au
i 11.3774492573962 0.061752 deg
node 69.88153448038356 0.045619 deg
peri 198.794770559419 0.029494 deg
M 352.9190712329013 0.23123 deg
tp 2453894.712391113391
(2006-Jun-08.21239111)
0.054714 TDB
period 1942.748084790748
5.32
60.659
0.1661
d
yr
n .1853045193138231 0.0057858 deg/d
Q 5.154902014595489 0.1073 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      6 days  
   first obs. used      2006-05-02  
   last obs. used      2006-05-08  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      9  
   norm. resid. RMS      .96191  
   source      ORB  
   producer      Nick Mastrodemos  
   solution date      2006-Jun-02 22:36:21  

Additional Information
 Earth MOID = .0406492 au 
 T_jup = 2.791 
[ 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 21.3   1.1 1 from 2 observations
comet total magnitude slope K1 10.0   n/a 1 from 2 observations
comet nuclear magnitude M2 22.0   1.3 1 from 10 observations
comet nuclear magnitude slope K2 5.0   n/a 1 from 10 observations

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