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5569 Colby (1974 FO)
Classification: Main-belt Asteroid          SPK-ID: 2005569
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1595169046797638 3.4725e-08  
a 2.435018551842657 9.1623e-09 au
q 2.046591929614915 8.5558e-08 au
i 5.26641339121253 3.862e-06 deg
node 353.7445087168427 3.9512e-05 deg
peri 283.1586049321849 4.1474e-05 deg
M 345.218881133508 1.3974e-05 deg
tp 2459057.484487554560
(2020-Jul-26.98448755)
5.3935e-05 TDB
period 1387.879747462615
3.80
7.8333e-06
2.145e-08
d
yr
n .259388466946195 1.464e-09 deg/d
Q 2.823445174070398 1.0624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2383  
   data-arc span      16887 days (46.23 yr)  
   first obs. used      1974-03-22  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45193  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:21:27  

Additional Information
 Earth MOID = 1.03818 au 
 Jupiter MOID = 2.32292 au 
 T_jup = 3.482 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4   n/a MPO365315  

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

[ show close-approach data ]
Alternate Designations
 1974 FO = 1974 HL1 = 1975 TM = 1990 QV3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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