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C/1946 U1 (Bester)
Classification: Hyperbolic Comet          SPK-ID: 1001057
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2432197.5 (1947-Jan-12.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000611887328799 0.00023958  
a -3934.834500292184 1540.6 au
q 2.407675371650016 1.8862e-05 au
i 108.1758067235658 0.0010155 deg
node 35.5574306140407 0.0006767 deg
peri 348.6218750724823 0.0034488 deg
M -.0001052524868070201 6.1843e-05 deg
tp 2432223.858336480342
(1947-Feb-07.35833648)
0.007624 TDB
period n/a
n/a
n/a
n/a
d
yr
n 3.993138447318827E-6 2.3452e-06 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      633 days (1.73 yr)  
   first obs. used      1946-11-02  
   last obs. used      1948-07-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .52704  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:29:07  

Additional Information
 Earth MOID = 1.42864 au 
 Jupiter MOID = 2.53578 au 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.7068   0. 1 autocmod 2.6g
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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