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P/2013 J4 (PANSTARRS)
Classification: Jupiter-family Comet          SPK-ID: 1003257
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

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Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet has stopped working because of a recent Java upgrade, here is a possible workaround.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2456421.5 (2013-May-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6461285355508419 0.92299  
a 6.463095608642025 18.238 AU
q 2.287105107905076 0.4887 AU
i 4.761282322785596 0.39749 deg
node 77.63025450628768 9.9319 deg
peri 81.63083982337997 19.786 deg
M 355.3842691653235 23.861 deg
tp 2456498.447988594368
(2013-Jul-24.94798859)
72.072 JED
period 6001.492913291546
16.43
25404
69.55
d
yr
n .05998507458081066 0.25391 deg/d
Q 10.63908610937897 30.023 AU
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      7 days  
   first obs. used      2013-05-05  
   last obs. used      2013-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      9  
   fit RMS      .23123  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jan-30 13:13:26  

Additional Information
 Earth MOID = 1.30184 AU 
 T_jup = 2.500 
 JPL covariance 
 MPC orbit ref: MPEC 2014-B85 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 14.5 mag 0.3 11 from 46 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 10.   n/a 11 autocmod 2.5c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2013.6   P/2013 J4       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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