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73P/Schwassmann-Wachmann 3-B
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000320
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2453880.5 (2006-May-25.0) TDB
Reference: JPL K061/24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.6932855208263886126474 4.1753e-07  
a 3.0618412252795819128437 3.9122e-06 au
q 0.9391110367239190459542 1.0291e-07 au
i 11.396951947033860719216 6.0066e-06 deg
node 69.89247679701043 1.6903e-05 deg
peri 198.7994525904428 2.4624e-05 deg
M 357.4384229893136 4.1349e-06 deg
tp 2453894.424427309021
(2006-Jun-07.92442731)
1.0847e-05 TDB
period 1956.917090657459
5.36
0.0037507
1.027e-05
d
yr
n .1839628268967962 3.5259e-07 deg/d
Q 5.184571413835244 6.6246e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.49431967818014E-8 1.25E-10
A2 [EST] 1.961498904699281E-9 1.549E-12
  Orbit Determination Parameters
   # obs. used (total)      1484  
   data-arc span      3806 days (10.42 yr)  
   first obs. used      1995-12-23  
   last obs. used      2006-05-25  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      2  
   norm. resid. RMS      .91193  
   source      ORB  
   producer      Nick Mastrodemos  
   solution date      2009-Aug-18 15:45:54  

Additional Information
 Earth MOID = .0407102 au 
 T_jup = 2.783 
[ 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 15.2   2. K061/24 2 parameter fit from 355 observations, autocmod 2.4a
comet total magnitude slope K1 8.   n/a K061/24 autocmod 2.4a

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