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C/1956 R1 (Arend-Roland)
Classification: Hyperbolic Comet          SPK-ID: 1001097
Ephemeris | Orbit Diagram | Orbital Elements ]

[ show orbit diagram ]
Orbital Elements at Epoch 2436061.5 (1957-Aug-11.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000244404339448 1.2903e-06  
a -1293.110404906218 6.83 AU
q .3160417943445133 9.7768e-07 AU
i 119.9444682711771 4.571e-05 deg
node 215.8558693676092 9.4523e-05 deg
peri 308.7747071806902 6.5441e-05 deg
M .002648804440190908 2.0985e-05 deg
tp 2435936.531881497852
(1957-Apr-08.03188150)
5.6069e-05 JED
period n/a
n/a
n/a
n/a
d
yr
n 2.119584156294534E-5 1.6793e-07 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      497 days (1.36 yr)  
   first obs. used      1956-11-30  
   last obs. used      1958-04-11  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   fit RMS      1.2997  
   data source      ORB  
   producer      Otto Matic  
   solution date      2011-Sep-14 21:14:02  

Additional Information
 Earth MOID = .238579 AU 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements ]

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