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C/1948 E1 (Pajdusakova-Mrkos)
Classification: Hyperbolic Comet          SPK-ID: 1001067
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2432981.5 (1949-Mar-06.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000930127030383 0.0001141  
a -2265.428601262155 277.75 au
q 2.107136377436629 0.00018288 au
i 92.91766091339318 0.00077436 deg
node 247.655063958686 0.00048585 deg
peri 66.90694028343158 0.0061449 deg
M .002681529447620246 0.00049308 deg
tp 2432688.137859662144
(1948-May-16.63785966)
0.0068483 TDB
period n/a
n/a
n/a
n/a
d
yr
n 9.140679995489577E-6 1.681e-06 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      12  
   data-arc span      608 days (1.66 yr)  
   first obs. used      1948-06-11  
   last obs. used      1950-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .75868  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:29:07  

Additional Information
 Earth MOID = 1.54895 au 
 Jupiter MOID = 1.03531 au 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 5.3   1. 2 2 parameter fit from 4 observations, autocmod 2.9c
comet total magnitude slope K1 12.25   n/a 2 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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