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5569 Colby (1974 FO)
Classification: Main-belt Asteroid          SPK-ID: 2005569
[ 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: MPO244230 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.1604260 n/a  
a 2.4342776 n/a AU
q 2.0437562 n/a AU
i 5.26491 n/a deg
node 353.81376 n/a deg
peri 282.75691 n/a deg
M 31.15099 n/a deg
tp 2456280.4608411
(2012-Dec-18.96084110)		 n/a JED
period 1387.2463507
3.80		 n/a
n/a		 d
yr
n 0.25950690 n/a deg/d
Q 2.8247990 n/a AU
   Orbit Determination Parameters
   # obs. used (total)      1022  
   first obs. used      1974-??-??  
   last obs. used      2012-06-25  
   # oppositions      15  
   planetary ephem.      DE403  
   condition code      0  
   fit RMS      0.55  
   data source      MPC:mpn  
   producer      MPCLINUX  

Additional Information
 T_jup = 3.482 

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a PDS3 (MPC 28113)  

5569 Colby           Discovered 1974 Mar. 22 by C. Torres at Cerro El Roble.
Michael John Colby (b. 1952) furthered the exploration of the planets by his role as spacecraft integration manager of NASA's New Horizons Pluto-Kuiper Belt mission. He also played key roles in other important planetary and space astronomy missions.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051215/MPCPages.arcLast Updated: 2006-03-22

Alternate Designations
 1974 FO = 1974 HL1 = 1975 TM = 1990 QV3 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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