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C/2013 US10 (Catalina)
Classification: Hyperbolic Comet          SPK-ID: 1003283
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 2457349.5 (2015-Nov-23.0) TDB
Reference: JPL 84 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000280111752132 1.4549e-06  
a -2938.003982310757 15.259 au
q .8229694432560084 2.8269e-07 au
i 148.8782970590471 8.6312e-06 deg
node 186.1445801306016 3.0732e-05 deg
peri 340.3587540701534 3.5089e-05 deg
M 4.504628872703906E-5 3.5083e-07 deg
tp 2457342.221640340207
(2015-Nov-15.72164034)
2.0988e-05 TDB
period n/a
n/a
n/a
n/a
d
yr
n 6.189071553564886E-6 4.8215e-08 deg/d
Q n/a n/a au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 7.573967877099656E-9 2.399E-10
A2 [EST] 6.249690700086914E-11 6.338E-11
A3 [EST] 1.621151284618413E-10 6.054E-11
  Orbit Determination Parameters
   # obs. used (total)      4396  
   data-arc span      1555 days (4.26 yr)  
   first obs. used      2013-08-14  
   last obs. used      2017-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .45242  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:32:42  

Additional Information
 Earth MOID = .138599 au 
 Jupiter MOID = 1.12818 au 
 T_jup = 2.210 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 8.4   1. 84 2 parameter fit from 535 observations, autocmod 2.9c
comet total magnitude slope K1 6.5   n/a 84 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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