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C/1970 B1 (Daido-Fujikawa)
Classification: Hyperbolic Comet          SPK-ID: 1001140
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2440621.5 (1970-Feb-04.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000019131986975 0.0020852  
a -3436.43407996923 3.7453e+05 au
q .06574581205806093 5.2831e-05 au
i 100.1828069273288 0.097135 deg
node 30.59603398381701 0.16345 deg
peri 266.6487293148169 0.16481 deg
M -5.775747789104376E-5 0.0094423 deg
tp 2440633.305004928475
(1970-Feb-15.80500493)
0.0071015 TDB
period n/a
n/a
n/a
n/a
d
yr
n 4.892626325951481E-6 0.00079986 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      12 days  
   first obs. used      1970-01-28  
   last obs. used      1970-02-09  
   two-body model      T  
   norm. resid. RMS      .60043  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:29:19  

Additional Information
 Earth MOID = .719953 au 
 Jupiter MOID = 4.46098 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 9.7   0.6 2 2 parameter fit from 11 observations, autocmod 2.9c
comet total magnitude slope K1 12.5   n/a 2 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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