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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 112 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000032567234794 1.26e-07  
a -9259.130432733255 35.827 AU
q .3015442747916172 1.323e-07 AU
i 84.20821822815952 5.8616e-06 deg
node 65.66587969973935 6.3578e-06 deg
peri 333.6516262743606 5.4909e-06 deg
M -1.294240700222272E-6 7.522e-09 deg
tp 2456361.669947253320
(2013-Mar-10.16994725)
1.4991e-05 JED
period n/a
n/a
n/a
n/a
d
yr
n 1.106238504812554E-6 6.4207e-09 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      5160  
   data-arc span      1057 days (2.89 yr)  
   first obs. used      2011-05-21  
   last obs. used      2014-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .57962  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:33:33  

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. 112 2 parameter fit from 674 observations, autocmod 2.5c
comet total magnitude slope K1 7.   n/a 112 autocmod 2.5c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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