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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455356.5 (2010-Jun-09.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7268227351027902 1.3905e-05  
a 8.98724320886277 0.00047527 au
q 2.455110518763155 5.4889e-06 au
i 13.25507775342125 6.4035e-05 deg
node 106.6611888500052 0.00022835 deg
peri 157.3124586544468 0.00057128 deg
M 357.2394022721943 0.00017214 deg
tp 2455431.963821488653
(2010-Aug-23.46382149)
0.001438 TDB
period 9840.975909774874
26.94
0.78063
0.002137
d
yr
n .0365817377565591 2.9018e-06 deg/d
Q 15.51937589896238 0.00082071 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .49297  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:31:44  

Additional Information
 Earth MOID = 1.44536 au 
 Jupiter MOID = .85038 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 11.4   0.5 26 2 parameter fit from 162 observations, autocmod 2.9c
comet total magnitude slope K1 11.5   n/a 26 autocmod 2.9c
comet nuclear magnitude M2 14.7   0.6 26 from 268 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 26 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 26 autocmod 2.9c

[ 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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