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C/2011 L4 (PANSTARRS)
Classification: Hyperbolic Comet          SPK-ID: 1003133
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456366.5 (2013-Mar-15.0) TDB
Reference: JPL 131 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000032699719666 1.2544e-07  
a -9221.62113880244 35.378 AU
q .3015444261050689 1.4431e-07 AU
i 84.20818998308182 6.8913e-06 deg
node 65.665884038257 6.6319e-06 deg
peri 333.6516357014252 5.4803e-06 deg
M 5.375827446958599E-6 3.0925e-08 deg
tp 2456361.669944067577
(2013-Mar-10.16994407)
1.772e-05 JED
period n/a
n/a
n/a
n/a
d
yr
n 1.112994864277237E-6 6.4049e-09 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      5417  
   data-arc span      1194 days (3.27 yr)  
   first obs. used      2011-05-21  
   last obs. used      2014-08-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .55522  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:26:09  

Additional Information
 Earth MOID = .660298 AU 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 7.5 mag 2. 131 2 parameter fit from 702 observations, autocmod 2.6
comet total magnitude slope K1 7.   n/a 131 autocmod 2.6
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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