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C/2020 Q1 (Borisov)
Classification: Comet          SPK-ID: 1003712
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 2459098.5 (2020-Sep-06.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9776804261451992 0.00032539  
a 58.91400674950994 0.86159 au
q 1.314935524727918 6.024e-05 au
i 142.9237482399167 0.00017839 deg
node 52.37780857334144 0.0023402 deg
peri 9.878666957752435 0.0099434 deg
M .04871070685600216 0.0010918 deg
tp 2459076.151509317170
(2020-Aug-14.65150932)
0.01067 TDB
period 165168.135818736
452.21
3623.3
9.92
d
yr
n .002179597161495378 4.7813e-05 deg/d
Q 116.513077974292 1.7039 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      69 days  
   first obs. used      2020-08-17  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .89453  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-30 21:15:03  

Additional Information
 Earth MOID = .331929 au 
 Jupiter MOID = 2.44242 au 
 T_jup = -1.040 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.6   01. 8 2 parameter fit from 246 observations, autocmod 2.8
comet total magnitude slope K1 41.5   n/a 8 autocmod 2.8
comet nuclear magnitude M2 17.9   0.7 8 from 26 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 8 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 8 autocmod 2.8

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2020.6   C/2020 Q1       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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