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4252 Godwin (1985 RG4)
Classification: Main-belt Asteroid          SPK-ID: 2004252
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: MPO256894 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.1383263 n/a  
a 2.6559204 n/a AU
q 2.2885368 n/a AU
i 13.48856 n/a deg
node 164.09047 n/a deg
peri 58.60779 n/a deg
M 240.51206 n/a deg
tp 2456925.2380788
(2014-Sep-24.73807880)
n/a JED
period 1580.9604581
4.33
n/a
n/a
d
yr
n 0.22770968 n/a deg/d
Q 3.0233040 n/a AU
  Orbit Determination Parameters
   # obs. used (total)      969  
   first obs. used      1984-??-??  
   last obs. used      2013-03-24  
   # oppositions      17  
   planetary ephem.      DE403  
   condition code      0  
   fit RMS      0.56  
   data source      MPC:mpn  
   producer      MPCLINUX  

Additional Information
 T_jup = 3.335 

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7 mag n/a PDS3 (MPC 28111)  

4252 Godwin           Discovered 1985 Sept. 11 by H. Debehogne at the European Southern Observatory.
Richard Godwin (b. 1955), a board member of the Space Frontier Foundation, served as executive director of The Watch, a support organization for NEO detection. His brother Robert Godwin (b. 1958) is a space expert and space-history researcher. Together they founded a space book company and write extensively on space.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071124/MPCPages.arcLast Updated: 2007-11-26

Alternate Designations
 1985 RG4 = 1984 HE 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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