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73P/Schwassmann-Wachmann 3-BK
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1002386
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 0.691542805405763 0.004664  
a 3.04504693747306 0.045106 au
q 0.939266635740712 0.00028933 au
i 11.3707772083427 0.042283 deg
node 69.89745388065928 0.040995 deg
peri 198.7753879911289 0.029879 deg
M 349.6318261550581 0.23706 deg
tp 2453895.397088011367
(2006-Jun-08.89708801)
0.036039 TDB
period 1940.838568588356
5.31
43.124
0.1181
d
yr
n .1854868332825029 0.0041214 deg/d
Q 5.150827239205409 0.076298 au
  Orbit Determination Parameters
   # obs. used (total)      14  
   data-arc span      11 days  
   first obs. used      2006-04-20  
   last obs. used      2006-05-01  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      9  
   norm. resid. RMS      .8858  
   source      ORB  
   producer      Nick Mastrodemos  
   solution date      2006-Jul-18 16:48:27  

Additional Information
 Earth MOID = .0404942 au 
 T_jup = 2.792 
[ 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 23.7   0.8 1 2 parameter fit from 6 observations
comet total magnitude slope K1 10.0   n/a 1 2 parameter fit from 6 observations

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