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C/1947 O1 (Wirtanen)
Classification: Hyperbolic Comet          SPK-ID: 1001061
Ephemeris | Orbit Diagram | Orbital Elements ]

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Orbital Elements at Epoch 2432639.5 (1948-Mar-29.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000888816763166 0.94852  
a -3181.873834765784 3.3941e+06 au
q 2.828102802619078 1.4484 au
i 97.33256377119591 0.12466 deg
node 311.7972675596837 2.2126 deg
peri 9.382456515490137 50.142 deg
M .001398328883225361 2.2366 deg
tp 2432384.858204752838
(1947-Jul-18.35820475)
155.55 TDB
period n/a
n/a
n/a
n/a
d
yr
n 5.491356522475451E-6 0.0087866 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      3  
   data-arc span      370 days (1.01 yr)  
   first obs. used      1947-07-26  
   last obs. used      1948-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .064166  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 11:11:14  

Additional Information
 Earth MOID = 1.82405 au 
 Jupiter MOID = 2.21601 au 
 JPL covariance 
 MPC orbit ref: SAO_2008 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements ]

no physical parameters available
Ephemeris | Orbit Diagram | Orbital Elements ]
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