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C/2005 W2 (Christensen)
Classification: Jupiter-family Comet          SPK-ID: 1001678
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2453723.5 (2005-Dec-19.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8244535909020818 6.819e-05  
a 18.9785694418584 0.0072188 au
q 3.331619715333723 4.1681e-05 au
i 11.26402715674562 5.6797e-05 deg
node 336.6151799134908 0.0014327 deg
peri 111.6701162683164 0.0074845 deg
M 358.8270410744308 0.00035742 deg
tp 2453821.895206238846
(2006-Mar-27.39520624)
0.02789 TDB
period 30199.07472786758
82.68
17.23
0.04717
d
yr
n .01192089503549569 6.8014e-06 deg/d
Q 34.62551916838307 0.01317 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      141 days  
   first obs. used      2005-11-03  
   last obs. used      2006-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .67211  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:30:54  

Additional Information
 Earth MOID = 2.37084 au 
 Jupiter MOID = .343691 au 
 T_jup = 2.394 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 13.8   0.9 17 2 parameter fit from 70 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 17 autocmod 2.9c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2006.2   C/2005 W2       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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