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73P/Schwassmann-Wachmann 3-X
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1002345
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2453839.5 (2006-Apr-14.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.694751288807723 0.00015848  
a 3.07645099021487 0.0015684 au
q 0.939082699809293 8.8817e-06 au
i 11.3993873710683 0.0013124 deg
node 69.92862059302733 0.0019495 deg
peri 198.7509795337178 0.0016869 deg
M 349.8526548762619 0.0079994 deg
tp 2453895.055026483968
(2006-Jun-08.55502648)
0.001314 TDB
period 1970.940111955201
5.40
1.5072
0.004126
d
yr
n .1826539516935777 0.00013968 deg/d
Q 5.213819280620441 0.0026581 au
  Orbit Determination Parameters
   # obs. used (total)      45  
   data-arc span      46 days  
   first obs. used      2006-03-23  
   last obs. used      2006-05-08  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      6  
   norm. resid. RMS      1.0421  
   source      ORB  
   producer      Nick Mastrodemos  
   solution date      2006-May-26 19:04:39  

Additional Information
 Earth MOID = .040651 au 
 T_jup = 2.776 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 2.511650497767175E-8 -1.396295297774224E-9 -2.078468383123015E-7 3.001913690747081E-7 -2.52399352216059E-7 2.075915371507152E-7
q -1.396295297774224E-9 7.88847300394385E-11 1.148002514424617E-8 -1.627633474909419E-8 1.347031172781715E-8 -1.161415613949859E-8
tp -2.078468383123015E-7 1.148002514424617E-8 1.726608184349186E-6 -2.499269281264444E-6 2.11488313302818E-6 -1.71451886146192E-6
node 3.001913690747081E-7 -1.627633474909419E-8 -2.499269281264444E-6 3.800404774514606E-6 -3.267577149226669E-6 2.444837302099118E-6
peri -2.52399352216059E-7 1.347031172781715E-8 2.11488313302818E-6 -3.267577149226669E-6 2.845750941758204E-6 -2.042305646378576E-6
i 2.075915371507152E-7 -1.161415613949859E-8 -1.71451886146192E-6 2.444837302099118E-6 -2.042305646378576E-6 1.722472415945109E-6

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 21.7   0.8 6 2 parameter fit from 23 observations
comet total magnitude slope K1 10.0   n/a 6 2 parameter fit from 23 observations

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