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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 2436028.5 (1957-Jul-09.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000246171221804 2.4624e-06  
a -1283.838103706093 12.848 AU
q .3160439945879067 1.6304e-06 AU
i 119.9442980711338 7.7308e-05 deg
node 215.855416219375 0.00014925 deg
peri 308.7745688762147 9.0867e-05 deg
M .001970487023783239 2.9578e-05 deg
tp 2435936.532390696875
(1957-Apr-08.03239070)
0.00012402 JED
period n/a
n/a
n/a
n/a
d
yr
n 2.142588068467148E-5 3.2162e-07 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      56  
   data-arc span      497 days (1.36 yr)  
   first obs. used      1956-11-30  
   last obs. used      1958-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .94042  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 19:42:21  

Additional Information
 Earth MOID = .238698 AU 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements ]

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