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C/1877 G2 (Swift)
Classification: Hyperbolic Comet          SPK-ID: 1000865
Ephemeris | Orbit Diagram | Orbital Elements ]

[ show orbit diagram ]
Orbital Elements at Epoch 2406739.5 (1877-Apr-30.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.008610334967269 0.0015566  
a -117.3341231114027 21.191 au
q 1.010286103079961 0.0001809 au
i 77.15596870193163 0.0055502 deg
node 347.7282815378458 0.010388 deg
peri 116.7668302726082 0.0065094 deg
M .002071638082420868 0.00055677 deg
tp 2406736.828554552428
(1877-Apr-27.32855455)
0.0074365 TDB
period n/a
n/a
n/a
n/a
d
yr
n .0007754745972086835 0.00021008 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      9  
   data-arc span      32 days  
   first obs. used      1877-04-15  
   last obs. used      1877-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .80809  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:51  

Additional Information
 Earth MOID = .332809 au 
 Jupiter MOID = .589688 au 
 T_jup = 0.287 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements ]

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