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C/1937 C1 (Whipple)
Classification: Hyperbolic Comet          SPK-ID: 1001030
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2428675.5 (1937-May-22.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000162332837115 3.9703e-05  
a -10680.33287265636 2612.1 au
q 1.733768736550646 1.2502e-05 au
i 41.55172146702436 0.00023351 deg
node 128.6080620478326 0.00035119 deg
peri 107.7360328192498 0.0011565 deg
M -2.595283565934424E-5 9.5223e-06 deg
tp 2428704.564170028754
(1937-Jun-20.06417003)
0.0017392 TDB
period n/a
n/a
n/a
n/a
d
yr
n 8.929494850074292E-7 3.2759e-07 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      53  
   data-arc span      177 days  
   first obs. used      1937-02-16  
   last obs. used      1937-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .88613  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:29:05  

Additional Information
 Earth MOID = 1.05154 au 
 Jupiter MOID = .183963 au 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 4.3   0.5 2 2 parameter fit from 23 observations, autocmod 2.9c
comet total magnitude slope K1 16.25   n/a 2 autocmod 2.9c
comet nuclear magnitude M2 10.9   1. 2 from 5 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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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