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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 2456362.5 (2013-Mar-11.0) TDB
Reference: JPL 120 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000032506239078 1.2677e-07  
a -9276.510488877346 36.181 AU
q .3015444677612337 1.4509e-07 AU
i 84.20818975509125 6.9114e-06 deg
node 65.66588316406703 6.637e-06 deg
peri 333.6516446033522 5.524e-06 deg
M 9.156621397895889E-7 5.3459e-09 deg
tp 2456361.669942565594
(2013-Mar-10.16994257)
1.7738e-05 JED
period n/a
n/a
n/a
n/a
d
yr
n 1.103131062785853E-6 6.4537e-09 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      5382  
   data-arc span      1159 days (3.17 yr)  
   first obs. used      2011-05-21  
   last obs. used      2014-07-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .55109  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-28 13:13:16  

Additional Information
 Earth MOID = .660174 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. 120 2 parameter fit from 690 observations, autocmod 2.5c
comet total magnitude slope K1 7.   n/a 120 autocmod 2.5c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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