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P/2010 J3 (McMillan)
Classification: Jupiter-family Comet          SPK-ID: 1003090
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2455355.5 (2010-Jun-08.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7268170633861646 1.3514e-05  
a 8.987051902965598 0.00046178 au
q 2.4551092303531 5.3156e-06 au
i 13.25506784677328 6.1802e-05 deg
node 106.6611910674217 0.00022145 deg
peri 157.3122679843082 0.00055234 deg
M 357.2027525107029 0.00017026 deg
tp 2455431.963239484859
(2010-Aug-23.46323948)
0.0013923 TDB
period 9840.661693279941
26.94
0.75846
0.002077
d
yr
n .03658290582693634 2.8196e-06 deg/d
Q 15.5189945755781 0.0007974 au
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      594 days (1.63 yr)  
   first obs. used      2010-02-03  
   last obs. used      2011-09-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      4  
   norm. resid. RMS      .5078  
   source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 17:34:39  

Additional Information
 Earth MOID = 1.44535 au 
 Jupiter MOID = .850371 au 
 T_jup = 2.336 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.6   0.5 25 2 parameter fit from 162 observations, autocmod 2.6f
comet total magnitude slope K1 11.   n/a 25 autocmod 2.6f
comet nuclear magnitude M2 14.7   0.6 25 from 268 observations, autocmod 2.6f
comet nuclear magnitude slope K2 5.   n/a 25 autocmod 2.6f
comet nuclear phase coefficient PC 0.03   n/a 25 autocmod 2.6f

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2010.6   P/2010 CG6       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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