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C/2013 V4 (Catalina)
Classification: Hyperbolic Comet          SPK-ID: 1003287
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2457258.5 (2015-Aug-24.0) TDB
Reference: JPL 86 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.002610347872751 2.7205e-06  
a -1986.485935316247 2.0697 au
q 5.185419335502647 1.694e-06 au
i 67.85444921445716 9.6483e-06 deg
node 55.62050084194885 7.9133e-06 deg
peri 40.44588127423415 2.875e-05 deg
M -.0004961501788296429 7.7476e-07 deg
tp 2457303.069454649620
(2015-Oct-07.56945465)
0.00029722 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.113206752763965E-5 1.7398e-08 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      2445  
   data-arc span      1748 days (4.79 yr)  
   first obs. used      2013-10-23  
   last obs. used      2018-08-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .57081  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:32:42  

Additional Information
 Earth MOID = 4.37905 au 
 Jupiter MOID = .841449 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 6.0   0.7 86 2 parameter fit from 492 observations, autocmod 2.9c
comet total magnitude slope K1 9.25   n/a 86 autocmod 2.9c
comet nuclear magnitude M2 9.6   0.5 86 from 1792 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 86 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 86 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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