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73P/Schwassmann-Wachmann 3-H
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1002327
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 0.693565806671118 3.5209e-05  
a 3.06483261003617 0.00034551 au
q 0.939169508544489 2.0718e-06 au
i 11.3910638961291 0.00028587 deg
node 69.9078914114573 0.00038806 deg
peri 198.7738044969675 0.00033673 deg
M 349.8454221686491 0.0017728 deg
tp 2453894.779987816600
(2006-Jun-08.27998782)
0.0003055 TDB
period 1959.785620287916
5.37
0.3314
0.0009073
d
yr
n .1836935613126459 3.1062e-05 deg/d
Q 5.190495711527861 0.00058514 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      68 days  
   first obs. used      2006-03-04  
   last obs. used      2006-05-11  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      5  
   norm. resid. RMS      .87905  
   source      ORB  
   producer      Nick Mastrodemos  
   solution date      2006-Aug-22 11:55:16  

Additional Information
 Earth MOID = .0405504 au 
 T_jup = 2.782 
[ 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 20.2   1.0 9 2 parameter fit from 13 observations
comet total magnitude slope K1 8.0   n/a 9 2 parameter fit from 13 observations
comet nuclear magnitude M2 21.7   1.1 9 from 13 observations
comet nuclear magnitude slope K2 5.0   n/a 9 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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