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73P/Schwassmann-Wachmann 3-AI
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1002357
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2453836.5 (2006-Apr-11.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .698165609339885 0.0036363  
a 3.110623598360419 0.036837 au
q .9388931783840914 0.00019312 au
i 11.42992480739673 0.029423 deg
node 69.97019181795081 0.050055 deg
peri 198.7301308043815 0.044056 deg
M 349.4543637504316 0.19263 deg
tp 2453895.200244047415
(2006-Jun-08.70024405)
0.029519 TDB
period 2003.870355184522
5.49
35.596
0.09746
d
yr
n .1796523408156563 0.0031912 deg/d
Q 5.282354018336748 0.062555 au
  Orbit Determination Parameters
   # obs. used (total)      17  
   data-arc span      31 days  
   first obs. used      2006-04-07  
   last obs. used      2006-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .81916  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:27:25  

Additional Information
 Earth MOID = .0407059 au 
 Jupiter MOID = .17158 au 
 T_jup = 2.758 
[ 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 21.3   0.8 1 from 4 observations
comet total magnitude slope K1 10.0   n/a 1 from 4 observations

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2006-May-15 21:51 00:24 Earth 0.0585774975547508 0.057687094554957 0.0594678939436153 14.4803380642742 14.4771964710256 2453871.410523286 24.0828369467622 44389.7845897568 49.359174109546 0.789627212981674 1547.04970279972 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:26 2021-Apr-15 23:27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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