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JPL Small-Body Database Browser
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C/2013 UQ4 (Catalina)
Classification: Comet          SPK-ID: 1003316
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2456849.5 (2014-Jul-11.0) TDB
Reference: JPL 71 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9821538291314158 6.8465e-07  
a 60.57180971061707 0.0023233 au
q 1.08097486591504 7.7109e-08 au
i 145.2585553237797 1.1401e-05 deg
node 317.6623762818513 1.6182e-05 deg
peri 23.31215259455881 2.0951e-05 deg
M .01053814886763961 6.0411e-07 deg
tp 2456844.459587505584
(2014-Jul-05.95958751)
1.3654e-05 TDB
period 172188.5428627649
471.43
9.9069
0.02712
d
yr
n .002090731439007076 1.2029e-07 deg/d
Q 120.0626445553191 0.0046052 au
  Orbit Determination Parameters
   # obs. used (total)      1853  
   data-arc span      862 days (2.36 yr)  
   first obs. used      2013-10-23  
   last obs. used      2016-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      2  
   norm. resid. RMS      .5994  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Jan-11 19:59:18  

Additional Information
 Earth MOID = .106293 au 
 Jupiter MOID = 1.37817 au 
 T_jup = -0.969 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.4   0.9 71 from 243 observations, assumed slope, autocmod 2.6g
comet total magnitude slope K1 10.   n/a 71 autocmod 2.6g
comet nuclear magnitude M2 17.5   0.8 71 from 1414 observations, autocmod 2.6g
comet nuclear magnitude slope K2 5.   n/a 71 autocmod 2.6g
comet nuclear phase coefficient PC 0.03   n/a 71 autocmod 2.6g

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2014.5   C/2013 UQ4       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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