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JPL Small-Body Database Browser
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C/2014 R1 (Borisov)
Classification: Comet          SPK-ID: 1003336
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457031.5 (2015-Jan-09.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9925012419854963 7.7819e-06  
a 179.4205747042781 0.18638 au
q 1.34543147253057 1.5552e-06 au
i 9.932887506776527 2.1003e-05 deg
node 104.05184205 0.00012527 deg
peri 55.64907729008527 0.00015481 deg
M .0208169405728015 3.2497e-05 deg
tp 2456980.740049060885
(2014-Nov-19.24004906)
0.00016174 TDB
period 877822.6691945721
2403.35
1367.8
3.745
d
yr
n .0004101056086080694 6.3903e-07 deg/d
Q 357.4957179360257 0.37137 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      335 days  
   first obs. used      2014-09-05  
   last obs. used      2015-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   norm. resid. RMS      .73431  
   source      ORB  
   producer      Otto Matic  
   solution date      2015-Aug-27 15:14:15  

Additional Information
 Earth MOID = .39025 au 
 T_jup = 1.443 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 6.055837337561015E-11 1.087401388680103E-11 1.146578723550471E-9 4.302786926401219E-10 7.805857138455694E-10 8.044771518845701E-12
q 1.087401388680103E-11 2.418518866569228E-12 2.339052885021141E-10 8.181492820612943E-11 1.623472894050289E-10 3.889245239404748E-13
tp 1.146578723550471E-9 2.339052885021141E-10 2.616101527661696E-8 8.284884793177925E-9 1.729266484514845E-8 7.381214538074212E-11
node 4.302786926401219E-10 8.181492820612943E-11 8.284884793177925E-9 1.569223757995809E-8 -6.660933084397739E-9 -9.601074619540433E-10
peri 7.805857138455694E-10 1.623472894050289E-10 1.729266484514845E-8 -6.660933084397739E-9 2.396558690803332E-8 1.039172599067701E-9
i 8.044771518845701E-12 3.889245239404748E-13 7.381214538074212E-11 -9.601074619540433E-10 1.039172599067701E-9 4.411418862582458E-10

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 9.8   1. 35 2 parameter fit from 155 observations, autocmod 2.6
comet total magnitude slope K1 13.   n/a 35 autocmod 2.6
comet nuclear magnitude M2 13.4   0.7 35 from 283 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 35 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 35 autocmod 2.6

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2014.9   C/2014 R1       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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