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5972 Harryatkinson (1991 PS12)
Classification: Main-belt Asteroid          SPK-ID: 2005972
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: MPO250266 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.0818209 n/a  
a 2.6793733 n/a AU
q 2.4601446 n/a AU
i 13.89032 n/a deg
node 153.22182 n/a deg
peri 324.25018 n/a deg
M 196.70975 n/a deg
tp 2457127.1177533
(2015-Apr-14.61775330)
n/a JED
period 1601.9473985
4.39
n/a
n/a
d
yr
n 0.22472648 n/a deg/d
Q 2.8986020 n/a AU
  Orbit Determination Parameters
   # obs. used (total)      957  
   first obs. used      1974-??-??  
   last obs. used      2012-09-02  
   # oppositions      18  
   planetary ephem.      DE403  
   condition code      0  
   fit RMS      0.58  
   data source      MPC:mpn  
   producer      MPCLINUX  

Additional Information
 T_jup = 3.331 

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.7 mag n/a PDS3 (MPC 28114)  

5972 Harryatkinson           Discovered 1991 Aug. 5 by H. E. Holt at Palomar.
New Zealand-born physicist Harry Atkinson (b. 1929), on the staff of the U.K. government's chief scientist (1969-1972), was head of astronomy and space for the Science Research Council (1972-1978) and chair of the European Space Agency Council (1984-1987). In 2000 he chaired the U.K. Task Force on Near-Earth Objects.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060413/MPCPages.arcLast Updated: 2006-04-17

Alternate Designations
 1991 PS12 = 1974 UF = 1987 SJ29 = 1987 SU2 = 1990 KM3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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