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C/2013 TW5 (Spacewatch)
Classification: Jupiter-family Comet          SPK-ID: 1003278
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.


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Orbital Elements at Epoch 2456831.5 (2014-Jun-23.0) TDB
Reference: JPL 53 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .986940958889662 1.365e-05  
a 446.4821560521452 0.46758 au
q 5.83062883091729 1.2183e-05 au
i 31.40140002115492 3.8301e-05 deg
node 319.7038176458795 2.6657e-05 deg
peri 190.3754392457046 0.00024391 deg
M 359.994185108539 8.966e-06 deg
tp 2456887.160063684131
(2014-Aug-17.66006368)
0.0026334 TDB
period 3445915.209367294
9434.40
5413.1
14.82
d
yr
n .0001044715200830782 1.6411e-07 deg/d
Q 887.1336832733731 0.92906 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      1222 days (3.35 yr)  
   first obs. used      2013-10-03  
   last obs. used      2017-02-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .40611  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-May-06 22:16:55  

Additional Information
 Earth MOID = 4.84669 au 
 Jupiter MOID = .540927 au 
 T_jup = 2.559 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 8.2   0.8 53 from 245 observations, assumed slope, autocmod 2.6i
comet total magnitude slope K1 8.   n/a 53 autocmod 2.6i
comet nuclear magnitude M2 10.5   0.6 53 from 145 observations, autocmod 2.6i
comet nuclear magnitude slope K2 5.   n/a 53 autocmod 2.6i
comet nuclear phase coefficient PC 0.03   n/a 53 autocmod 2.6i

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2014.6   C/2013 TW5       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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