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73P/Schwassmann-Wachmann 3-N
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1002338
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.692288993783599 0.00012341  
a 3.05239117034204 0.0012047 au
q 0.939254358392007 6.1686e-06 au
i 11.3809412138733 0.0010068 deg
node 69.89730281276252 0.0017606 deg
peri 198.7643511012408 0.0016084 deg
M 349.7850410923837 0.0062388 deg
tp 2453894.770428668092
(2006-Jun-08.27042867)
0.0010368 TDB
period 1947.864352707054
5.33
1.1532
0.003157
d
yr
n .1848177977587034 0.00010942 deg/d
Q 5.165527982292075 0.0020387 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      41 days  
   first obs. used      2006-03-23  
   last obs. used      2006-05-03  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      6  
   norm. resid. RMS      1.1812  
   source      ORB  
   producer      Nick Mastrodemos  
   solution date      2006-Aug-22 12:46:16  

Additional Information
 Earth MOID = .0405265 au 
 T_jup = 2.788 
[ 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 20.4   1.0 10 2 parameter fit from 21 observations
comet total magnitude slope K1 10.0   n/a 10 2 parameter fit from 21 observations
comet nuclear magnitude M2 21.2   0.9 10 from 13 observations
comet nuclear magnitude slope K2 5.0   n/a 10 from 13 observations

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