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138221 Baldry (2000 EC207)
Classification: Main-belt Asteroid          SPK-ID: 2138221
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1323750926391916 9.1313e-08  
a 2.634182038068699 4.0026e-08 AU
q 2.28548194675086 2.454e-07 AU
i 4.623238925883904 1.9149e-05 deg
node 184.747187145631 0.00011219 deg
peri 87.56579212026332 0.00013921 deg
M 33.65509279566595 7.8348e-05 deg
tp 2456654.512593076818
(2013-Dec-28.01259308)
0.00034014 JED
period 1561.590301100392
4.28
3.5592e-05
9.745e-08
d
yr
n .2305342187040493 5.2544e-09 deg/d
Q 2.982882129386538 4.5324e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      4828 days (13.22 yr)  
   first obs. used      2000-02-12  
   last obs. used      2013-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53035  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-07 06:58:19  

Additional Information
 Earth MOID = 1.27476 AU 
 T_jup = 3.381 
[ 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 16.9 mag n/a MPO264236  

138221 Baldry           Discovered 2000 Mar. 3 by the Sloan Digital Sky Survey at Apache Point.
Ivan Baldry (b. 1971) is a British astronomer and a contributor to the Sloan Digital Sky Survey. He is best known for his work on the color bimodality of galaxies.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120406/MPCPages.arcLast Updated: 2012-04-09

[ show close-approach data ]
Alternate Designations
 2000 EC207 = 2004 CG91 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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