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C/1861 G1 (Thatcher)
Classification: Comet          SPK-ID: 1000829
Ephemeris | Orbit Diagram | Orbital Elements ]

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Orbital Elements at Epoch 2400920.5 (1861-May-25.0) TDB
Reference: SAO_2008 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.983465 n/a  
a 55.6818869 n/a AU
q 0.920700 n/a AU
i 79.7733 n/a deg
node 31.8674 n/a deg
peri 213.4496 n/a deg
M -0.0234598 n/a deg
tp 2400930.3899
(1861-Jun-03.88990000)
n/a JED
period 151578.75
415.00
n/a
n/a
d
yr
n 0.0023721 n/a deg/d
Q 110.4430738 n/a AU
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      149 days  
   first obs. used      1861-04-11  
   last obs. used      1861-09-07  
   producer      Oppolzer  

Additional Information
 T_jup = 0.304 
 epoch may be 2400921.0 (hour ambiguous: 12h/0h) 
 time units are UT, but set to ET 
 2008 SAO Comet Catalog 

Ephemeris | Orbit Diagram | Orbital Elements ]

no physical parameters available

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1861.4   C/1861 G1       
Ephemeris | Orbit Diagram | Orbital Elements ]
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