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C/1927 E1 (Stearns)
Classification: Hyperbolic Comet          SPK-ID: 1001008
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2424998.5 (1927-Apr-28.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.001265119258339 0.001469  
a -2912.831167457689 3381.8 au
q 3.685078806240951 0.00056329 au
i 87.68954297443118 0.017739 deg
node 215.6616738211999 0.0056186 deg
peri 11.06840562974076 0.034606 deg
M .0002294496881788919 0.0004006 deg
tp 2424961.902083047020
(1927-Mar-22.40208305)
0.17614 TDB
period n/a
n/a
n/a
n/a
d
yr
n 6.269473983278408E-6 1.0918e-05 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      17  
   data-arc span      93 days  
   first obs. used      1927-03-31  
   last obs. used      1927-07-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .59773  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:29:02  

Additional Information
 Earth MOID = 2.69339 au 
 Jupiter MOID = 1.7276 au 
 T_jup = 0.100 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet nuclear magnitude M2 7.5   1. 2 from 7 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 2 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 2 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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