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

[ show orbit diagram ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1322621943064559 9.1845e-08  
a 2.633675403594575 4.0256e-08 AU
q 2.285339715624215 2.461e-07 AU
i 4.623499161987627 1.92e-05 deg
node 184.7577457793094 0.00011373 deg
peri 87.65992545835344 0.00014043 deg
M 301.3452199001317 7.8677e-05 deg
tp 2456654.856422909690
(2013-Dec-28.35642291)		 0.0003406 JED
period 1561.139809774751
4.27		 3.5793e-05
9.8e-08		 d
yr
n .2306007429609669 5.2871e-09 deg/d
Q 2.982011091564934 4.558e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      4816 days (13.19 yr)  
   first obs. used      2000-02-12  
   last obs. used      2013-04-20  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .53333  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 19:21:10  

Additional Information
 Earth MOID = 1.27517 AU 
 T_jup = 3.381 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.896 mag .3758 1 autocmod 2.5c

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

Alternate Designations
 2000 EC207 = 2004 CG91 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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