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73P/Schwassmann-Wachmann 3-L
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1002334
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.694735674965028 7.8807e-05  
a 3.07631556437795 0.0007884 au
q 0.939089394354414 2.9457e-06 au
i 11.3987127952321 0.00054599 deg
node 69.93678268425323 0.0019206 deg
peri 198.7475944367357 0.0020232 deg
M 349.8933270105301 0.0040119 deg
tp 2453894.828699747282
(2006-Jun-08.32869975)
0.00069859 TDB
period 1970.809971765627
5.40
0.75762
0.002074
d
yr
n .1826660130390349 7.0221e-05 deg/d
Q 5.213541734401494 0.0013361 au
  Orbit Determination Parameters
   # obs. used (total)      39  
   data-arc span      58 days  
   first obs. used      2006-03-05  
   last obs. used      2006-05-02  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      6  
   norm. resid. RMS      1.2502  
   source      ORB  
   producer      Nick Mastrodemos  
   solution date      2006-May-07 19:12:36  

Additional Information
 Earth MOID = .0406543 au 
 T_jup = 2.776 
[ 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 20.9   2.4 6 2 parameter fit from 5 observations
comet total magnitude slope K1 10.0   n/a 6 2 parameter fit from 5 observations
comet nuclear magnitude M2 21.7   0.5 6 from 6 observations
comet nuclear magnitude slope K2 5.0   n/a 6 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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