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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 2456363.5 (2013-Mar-12.0) TDB
Reference: JPL 122 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000032581231512 1.2653e-07  
a -9255.15842076998 35.945 AU
q .3015444591879286 1.4496e-07 AU
i 84.20818970913702 6.9085e-06 deg
node 65.66588328451071 6.6359e-06 deg
peri 333.6516427116537 5.5151e-06 deg
M 2.025783138525859E-6 1.179e-08 deg
tp 2456361.669942802620
(2013-Mar-10.16994280)
1.7736e-05 JED
period n/a
n/a
n/a
n/a
d
yr
n 1.106950723412399E-6 6.4487e-09 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      5386  
   data-arc span      1166 days (3.19 yr)  
   first obs. used      2011-05-21  
   last obs. used      2014-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .55133  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 13:50:33  

Additional Information
 Earth MOID = .660284 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. 122 2 parameter fit from 690 observations, autocmod 2.5c
comet total magnitude slope K1 7.   n/a 122 autocmod 2.5c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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