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P/2010 A2 (LINEAR)
Classification: Encke-type Comet          SPK-ID: 1003055
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455482.5 (2010-Oct-13.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .124568383678053 2.955e-06  
a 2.290441574326925 9.214e-06 AU
q 2.005124969504005 1.3663e-05 AU
i 5.25425213134787 8.4401e-05 deg
node 320.2838835527604 0.00051533 deg
peri 133.0498046337918 0.010238 deg
M 88.92153007250323 0.0080057 deg
tp 2455169.761261369284
(2009-Dec-04.26126137)
0.026302 JED
period 1266.126952778022
3.47
0.0076401
2.092e-05
d
yr
n .2843316771751208 1.7157e-06 deg/d
Q 2.575758179149845 1.0362e-05 AU
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      1034 days (2.83 yr)  
   first obs. used      2009-12-15  
   last obs. used      2012-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      4  
   fit RMS      1.1898  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 19:44:28  

Additional Information
 Earth MOID = 1.02585 AU 
 T_jup = 3.583 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 15.5 mag 0.8 24 from 26 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 10.   n/a 24 autocmod 2.5c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2009.9   P/2010 A2       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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