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C/2014 Q3 (Borisov)
Classification: Halley-type Comet*          SPK-ID: 1003332
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456949.5 (2014-Oct-19.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9420631902306376 1.9668e-05  
a 28.43455534374813 0.0097084 au
q 1.647407423827144 3.2641e-06 au
i 89.94887840360386 9.3811e-05 deg
node 63.1295171584859 0.00011542 deg
peri 47.38088320953415 0.00013512 deg
M 359.7980514566514 0.00010528 deg
tp 2456980.567500418165
(2014-Nov-19.06750042)
0.00031918 TDB
period 55381.93029316192
151.63
28.363
0.07765
d
yr
n .006500315140594688 3.3291e-06 deg/d
Q 55.22170326366912 0.018854 au
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      189 days  
   first obs. used      2014-08-22  
   last obs. used      2015-02-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .57606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:32:59  

Additional Information
 Earth MOID = .866237 au 
 Jupiter MOID = 1.35381 au 
 T_jup = 0.184 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 8.8   0.9 24 2 parameter fit from 151 observations, autocmod 2.9c
comet total magnitude slope K1 22.   n/a 24 autocmod 2.9c
comet nuclear magnitude M2 15.2   0.7 24 from 546 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 24 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 24 autocmod 2.9c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2014.9   C/2014 Q3       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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