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10450 Girard (1967 JQ)
Classification: Main-belt Asteroid          SPK-ID: 2010450
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1944320672123305 6.3676e-08  
a 2.377854435281908 1.5782e-08 AU
q 1.915523281900038 1.5471e-07 AU
i 7.932436641051044 7.5044e-06 deg
node 263.8243658917594 4.411e-05 deg
peri 298.9182756020857 4.7685e-05 deg
M 14.94274768501612 1.8796e-05 deg
tp 2456944.909025551959
(2014-Oct-14.40902555)
6.9837e-05 JED
period 1339.295236937087
3.67
1.3334e-05
3.651e-08
d
yr
n .2687980887793682 2.6761e-09 deg/d
Q 2.840185588663779 1.8851e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      17129 days (46.90 yr)  
   first obs. used      1967-05-06  
   last obs. used      2014-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5006  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:49:25  

Additional Information
 Earth MOID = .927451 AU 
 T_jup = 3.502 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a MPO250315  

10450 Girard           Discovered 1967 May 6 by C. U. Cesco and A. R. Klemola at the El Leoncito Station.
Terrence Girard (b. 1957) joined the Yale University Astronomy Department in 1985 and since then has been in charge of the development of specialized astrometric software used at Yale and at other research institutions. His main responsibility is the reduction and analysis of the Yale-San Juan Southern Proper Motions program.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080520/MPCPages.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 1967 JQ = 1985 FE2 = 1998 VX4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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