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36P/Whipple
Classification: Jupiter-family Comet          SPK-ID: 1000105
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2456771.5 (2014-Apr-24.0) TDB
Reference: JPL K118/5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2617095134990785 1.0947e-07  
a 4.161500021015582 4.7221e-08 AU
q 3.072395875089189 4.6067e-07 AU
i 9.92733274756349 1.3894e-05 deg
node 181.9868527345878 5.5607e-05 deg
peri 200.6202022211424 6.4752e-05 deg
M 98.97979457264906 2.0446e-05 deg
tp 2455918.954971983876
(2011-Dec-23.45497198)
0.0001717 JED
period 3100.796596021773
8.49
5.2778e-05
1.445e-07
d
yr
n .1160991986581348 1.9761e-09 deg/d
Q 5.250604166941976 5.9579e-08 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 4.875085859075744E-9 8.223E-10
A2 [EST] -4.826562602290264E-10 3.144E-11
  Orbit Determination Parameters
   # obs. used (total)      504  
   data-arc span      21464 days (58.77 yr)  
   first obs. used      1955-05-25  
   last obs. used      2014-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .77731  
   data source      ORB  
   producer      Ryan S. Park  
   solution date      2014-Apr-14 08:42:12  

Additional Information
 Earth MOID = 2.07655 AU 
 T_jup = 2.951 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 7.5 mag n/a ICQ 2004 Handbook  
comet total magnitude slope K1 17.0   n/a ICQ 2004 Handbook  
diameter diameter 4.56 km n/a Lamy,P.L,Toth,I.,Fernandez,Y.R.,Weaver,H.A. (To be published)  

36P/Whipple          Discovered 1933-Oct-15 by Whipple, Fred L. at Harvard College Observatory, Oak Ridge, Mass
discovered on plate/photo taken on discovery date
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1995.0       1994 XXXII   1993n 
 1986.5       1986 XII   1985h 
 1978.0       1978 VIII   1977h 
 1969.5       1970 XIV   1969c 
 1961.0       1963 II   1962f 
 1952.5       1955 VIII   1955d 
 1944.1   36P/1940 R1   1948 VI   1947g 
 1935.6   36P/1933 U1   1933 IV   1933f 
 1927.1   36P/1925 QD   1926 VIII   
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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