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JPL Small-Body Database Browser
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C/2017 C2 (PANSTARRS)
Classification: Comet          SPK-ID: 1003499
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457821.5 (2017-Mar-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9752983738724752 3.0492e-05  
a 98.414170127543 0.12209 au
q 2.430990036141187 1.9774e-05 au
i 118.5839596647592 0.00025166 deg
node 249.8191599711574 0.00010426 deg
peri 138.7755165800561 0.00076865 deg
M .04682463769614237 8.8587e-05 deg
tp 2457775.117216919089
(2017-Jan-21.61721692)
0.0019157 TDB
period 356602.9067322309
976.33
663.58
1.817
d
yr
n .001009526263537498 1.8786e-06 deg/d
Q 194.3973502189448 0.24116 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      285 days  
   first obs. used      2017-02-04  
   last obs. used      2017-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .55276  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Dec-02 17:14:40  

Additional Information
 Earth MOID = 1.60324 au 
 Jupiter MOID = 2.09667 au 
 T_jup = -0.866 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 12.0   0.5 9 2 parameter fit from 65 observations, autocmod 2.6k
comet total magnitude slope K1 14.   n/a 9 autocmod 2.6k

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2017.1   C/2017 C2       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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