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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1323652048853406 5.1849e-08  
a 2.63381530980958 2.9184e-08 AU
q 2.285189806696488 1.2943e-07 AU
i 4.623693630302323 1.3074e-05 deg
node 184.7449299494917 6.9341e-05 deg
peri 87.50543958246143 9.7515e-05 deg
M 79.82365365434237 6.0972e-05 deg
tp 2456654.317185031659
(2013-Dec-27.81718503)
0.00026656 JED
period 1561.264207828243
4.27
2.5949e-05
7.104e-08
d
yr
n .2305823692075596 3.8324e-09 deg/d
Q 2.982440812922672 3.3047e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      5359 days (14.67 yr)  
   first obs. used      2000-02-12  
   last obs. used      2014-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54934  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 16:32:08  

Additional Information
 Earth MOID = 1.2763 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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