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C/2012 X2 (PANSTARRS)
Classification: Jupiter-family Comet          SPK-ID: 1003225
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456422.5 (2013-May-10.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7704974093897997 1.6439e-05  
a 20.68890823264016 0.0015257 au
q 4.748158036287616 1.0715e-05 au
i 34.12391112553792 4.3725e-05 deg
node 271.0232944392426 5.7626e-05 deg
peri 215.6311350370557 0.00030984 deg
M .4156631875565804 4.0481e-05 deg
tp 2456382.813404042632
(2013-Mar-31.31340404)
0.0025502 TDB
period 34371.99870558106
94.11
3.8022
0.01041
d
yr
n .01047364173039917 1.1586e-06 deg/d
Q 36.62965842899269 0.0027013 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      834 days (2.28 yr)  
   first obs. used      2012-01-11  
   last obs. used      2014-04-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .45551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:32:29  

Additional Information
 Earth MOID = 3.8225 au 
 Jupiter MOID = .0235144 au 
 T_jup = 2.356 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 12.6   0.7 35 2 parameter fit from 84 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 35 autocmod 2.9c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2013.2   C/2012 X2       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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