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73P/Schwassmann-Wachmann 3-BO
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1002391
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 0.691827563127927 0.00094363  
a 3.047706272631 0.0091434 au
q 0.939219068906999 5.8197e-05 au
i 11.3761572743389 0.0088008 deg
node 69.89197757406906 0.0067704 deg
peri 198.7715535759656 0.004438 deg
M 352.9104171660001 0.033355 deg
tp 2453894.771569301961
(2006-Jun-08.27156930)
0.0078328 TDB
period 1943.381616564391
5.32
8.7454
0.02394
d
yr
n .1852441110544343 0.00083362 deg/d
Q 5.156193476355007 0.015469 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      21 days  
   first obs. used      2006-04-20  
   last obs. used      2006-05-11  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      7  
   norm. resid. RMS      .59099  
   source      ORB  
   producer      Nick Mastrodemos  
   solution date      2006-May-26 18:17:50  

Additional Information
 Earth MOID = .0406766 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 22.9   0.3 1 2 parameter fit from 8 observations
comet total magnitude slope K1 20.0   n/a 1 2 parameter fit from 8 observations
comet nuclear magnitude M2 24.5   0.3 1 from 4 observations
comet nuclear magnitude slope K2 5.0   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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