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P/2010 B2 (WISE)
Classification: Encke-type Comet          SPK-ID: 1003060
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 2455251.5 (2010-Feb-24.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .480311218088897 0.00010334  
a 3.110431472658605 0.00065975 au
q 1.616456343243909 3.4173e-05 au
i 8.931634458197232 0.00035658 deg
node .8736290310951919 0.00095984 deg
peri 156.0447233229981 0.001652 deg
M 11.51524527427406 0.0041159 deg
tp 2455187.408553205072
(2009-Dec-21.90855320)
0.0027961 TDB
period 2003.684706371018
5.49
0.6375
0.001745
d
yr
n .1796689862708068 5.7164e-05 deg/d
Q 4.604406602073302 0.00097664 au
  Orbit Determination Parameters
   # obs. used (total)      49  
   data-arc span      75 days  
   first obs. used      2010-01-22  
   last obs. used      2010-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      5  
   norm. resid. RMS      .51158  
   source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 19:44:30  

Additional Information
 Earth MOID = .630343 au 
 T_jup = 3.013 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 1.067985042891383E-8 2.099976541732796E-9 2.469419926197985E-7 7.288164650362451E-8 9.414254681662673E-8 2.763248563233676E-8
q 2.099976541732796E-9 1.167793672910395E-9 8.236326969095408E-8 3.03294892697071E-8 5.392084552526536E-8 1.076791938140649E-8
tp 2.469419926197985E-7 8.236326969095408E-8 7.818156849696309E-6 2.354149000859017E-6 4.069760936553116E-6 8.611750924257276E-7
node 7.288164650362451E-8 3.03294892697071E-8 2.354149000859017E-6 9.212942050669148E-7 1.288628504340836E-6 3.31203144451912E-7
peri 9.414254681662673E-8 5.392084552526536E-8 4.069760936553116E-6 1.288628504340836E-6 2.729023167873578E-6 4.574195719926988E-7
i 2.763248563233676E-8 1.076791938140649E-8 8.611750924257276E-7 3.31203144451912E-7 4.574195719926988E-7 1.271469455320424E-7

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 16.1   0.3 8 from 13 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 16.   n/a 8 autocmod 2.5c
comet nuclear magnitude M2 19.1   0.5 8 from 11 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 8 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 8 autocmod 2.5c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2010.0   P/2010 B2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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