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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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000248060637703 4.0026e-06  
a -1274.056032326643 20.567 au
q .3160431518484373 2.6794e-06 au
i 119.9443013099645 0.00012623 deg
node 215.8553614905883 0.00024759 deg
peri 308.7745425142261 0.00015085 deg
M .001993223887485354 4.8263e-05 deg
tp 2435936.532410832133
(1957-Apr-08.03241083)
0.00020644 TDB
period n/a
n/a
n/a
n/a
d
yr
n 2.167311229445358E-5 5.2479e-07 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      497 days (1.36 yr)  
   first obs. used      1956-11-30  
   last obs. used      1958-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .60155  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:29:12  

Additional Information
 Earth MOID = .238698 au 
 Jupiter MOID = 1.60994 au 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements ]

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