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C/2014 UN271 (Bernardinelli-Bernstein)
Classification: Comet          SPK-ID: 1003787
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457841.5 (2017-Mar-29.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9995955607664926 1.4901e-05  
a 27084.20982957715 998.07 au
q 10.95391706362816 0.00017732 au
i 95.56745033846688 5.5693e-05 deg
node 190.1006706478723 6.1015e-05 deg
peri 326.2635518680161 0.00085737 deg
M 359.998883592483 6.1715e-05 deg
tp 2462890.355401664287
(2031-Jan-23.85540166)
0.032407 TDB
period 1628068529.532555
4457408.71
8.9993e+07
2.464e+05
d
yr
n 2.211209131985138E-7 1.2223e-08 deg/d
Q 54157.46574209068 1995.7 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      2593 days (7.10 yr)  
   first obs. used      2014-08-14  
   last obs. used      2021-09-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .50504  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-20 00:12:42  

Additional Information
 Earth MOID = 10.108 au 
 Jupiter MOID = 6.17376 au 
 T_jup = -0.398 
[ 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 6.4   0.9 8 from 107 observations, assumed slope, autocmod 2.9e
comet total magnitude slope K1 5.5   n/a 8 autocmod 2.9e

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2031.1   C/2014 UN271       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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