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27657 Berkhey (1974 PC)
Classification: Mars-crossing Asteroid          SPK-ID: 2027657
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: MPO257057 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.2933201 n/a  
a 2.2537721 n/a AU
q 1.5926954 n/a AU
i 23.45161 n/a deg
node 139.68935 n/a deg
peri 212.53309 n/a deg
M 136.75776 n/a deg
tp 2455931.0245245
(2012-Jan-04.52452450)		 n/a JED
period 1235.8433713
3.38		 n/a
n/a		 d
yr
n 0.29129905 n/a deg/d
Q 2.9148488 n/a AU
   Orbit Determination Parameters
   # obs. used (total)      338  
   first obs. used      1974-??-??  
   last obs. used      2013-03-15  
   # oppositions      14  
   planetary ephem.      DE403  
   condition code      0  
   fit RMS      0.57  
   data source      MPC:mpn  
   producer      MPCLINUX  

Additional Information
 T_jup = 3.463 

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a PDS3 (MPO 15127)  

27657 Berkhey           Discovered 1974 Aug. 12 by T. Gehrels at Palomar.
Joannes Le Francq van Berkhey (1729-1812) was a famous Dutch physician, biologist and naturalist noted for his Natural History of Holland. He was considered an excellent poet for his time. The name was suggested by C. E. Koppeschaar.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100130/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1974 PC = 1991 PF1 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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