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C/1975 V2 (Bradfield)
Classification: Hyperbolic Comet          SPK-ID: 1000577
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2442768.5 (1975-Dec-22.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000015384247748 7.7502e-06  
a -14217.18567459166 7162.2 au
q .218720706696388 1.0492e-06 au
i 70.62616034845553 0.00025164 deg
node 271.3127590095342 0.00034748 deg
peri 358.089865520932 0.00023931 deg
M 4.760508010848652E-7 3.5972e-07 deg
tp 2442767.681215374275
(1975-Dec-21.18121537)
9.4645e-05 TDB
period n/a
n/a
n/a
n/a
d
yr
n 5.814115044763351E-7 4.3935e-07 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      88 days  
   first obs. used      1975-11-13  
   last obs. used      1976-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .70013  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:29:24  

Additional Information
 Earth MOID = .796211 au 
 Jupiter MOID = 1.839 au 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 10.4   1. 5 2 parameter fit from 13 observations, autocmod 2.9c
comet total magnitude slope K1 16.5   n/a 5 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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