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JPL Small-Body Database Browser
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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 2456365.5 (2013-Mar-14.0) TDB
Reference: JPL 136 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000032713934215 1.3011e-07  
a -9217.613572306012 36.665 au
q .301544404022693 1.5084e-07 au
i 84.20818671265653 7.1982e-06 deg
node 65.66588341697526 6.8436e-06 deg
peri 333.6516382152546 5.6714e-06 deg
M 4.26560639807278E-6 2.5439e-08 deg
tp 2456361.669949932096
(2013-Mar-10.16994993)
1.8605e-05 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.113720792795573E-6 6.6451e-09 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      5413  
   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-N16  
   norm. resid. RMS      .52061  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:47:11  

Additional Information
 Earth MOID = .660345 au 
 Jupiter MOID = .166509 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   2. 136 2 parameter fit from 708 observations, autocmod 2.8
comet total magnitude slope K1 7.   n/a 136 autocmod 2.8
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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