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C/2015 T5 (Sheppard-Tholen)
Classification: Chiron-type Comet          SPK-ID: 1003417
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457376.5 (2015-Dec-20.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6660826062637726 0.00025848  
a 27.96590556009478 0.02333 au
q 9.33830229810032 0.00058686 au
i 11.04835439001889 0.00035808 deg
node 311.1926988187603 0.0035271 deg
peri 61.83899882362009 0.042741 deg
M 359.763346378617 0.0059871 deg
tp 2457412.010142149378
(2016-Jan-24.51014215)
0.92352 TDB
period 54018.40503885466
147.89
67.596
0.1851
d
yr
n .006664395213836047 8.3395e-06 deg/d
Q 46.59350882208924 0.03887 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      388 days (1.06 yr)  
   first obs. used      2015-10-13  
   last obs. used      2016-11-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .25174  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:15  

Additional Information
 Earth MOID = 8.35414 au 
 Jupiter MOID = 4.56748 au 
 T_jup = 3.580 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 7.7   0.5 6 from 20 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 10.   n/a 6 autocmod 2.9c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2016.1   C/2015 T5       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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