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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 2456360.5 (2013-Mar-09.0) TDB
Reference: JPL 119 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000032356001978 1.2786e-07  
a -9319.583419359398 36.833 AU
q .3015444595502669 1.4579e-07 AU
i 84.20818783523643 6.9399e-06 deg
node 65.66588147355962 6.6414e-06 deg
peri 333.6516465027777 5.5606e-06 deg
M -1.281662852690656E-6 7.6091e-09 deg
tp 2456361.669942380192
(2013-Mar-10.16994238)
1.7747e-05 JED
period n/a
n/a
n/a
n/a
d
yr
n 1.095492286107562E-6 6.4944e-09 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      5352  
   data-arc span      1139 days (3.12 yr)  
   first obs. used      2011-05-21  
   last obs. used      2014-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .54633  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 11:52:52  

Additional Information
 Earth MOID = .659816 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. 119 2 parameter fit from 687 observations, autocmod 2.5c
comet total magnitude slope K1 7.   n/a 119 autocmod 2.5c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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