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73P/Schwassmann-Wachmann 3-AK
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1002359
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.69335823324 0.094267  
a 3.05798267872401 0.93542 au
q 0.937705211325409 0.0050904 au
i 11.4294972671815 0.70576 deg
node 69.37619102093456 2.5245 deg
peri 199.3256981265443 2.7163 deg
M 349.792353539475 4.8169 deg
tp 2453894.882694033521
(2006-Jun-08.38269403)
0.7238 TDB
period 1953.219082299802
5.35
896.21
2.454
d
yr
n .1843111217079248 0.084569 deg/d
Q 5.178260146122617 1.584 au
  Orbit Determination Parameters
   # obs. used (total)      12  
   data-arc span      11 days  
   first obs. used      2006-04-08  
   last obs. used      2006-04-19  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      9  
   norm. resid. RMS      .65184  
   source      ORB  
   producer      Nick Mastrodemos  
   solution date      2006-Apr-30 16:33:57  

Additional Information
 Earth MOID = .0403185 au 
 T_jup = 2.784 
[ 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 18.8   0.7 1 from 3 observations
comet total magnitude slope K1 30.0   n/a 1 from 3 observations

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