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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 ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324517188452339 5.1677e-08  
a 2.633261338625359 2.7857e-08 au
q 2.284481348155729 1.2958e-07 au
i 4.624169014157227 1.245e-05 deg
node 184.7473056279648 6.9281e-05 deg
peri 87.32917741497597 9.3114e-05 deg
M 218.408897714533 5.5097e-05 deg
tp 2458214.364944534979
(2018-Apr-05.86494453)
0.00023673 JED
period 1560.771661958275
4.27
2.4767e-05
6.781e-08
d
yr
n .2306551360295162 3.6601e-09 deg/d
Q 2.98204132909499 3.1546e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      5788 days (15.85 yr)  
   first obs. used      2000-02-12  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54648  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 17:45:12  

Additional Information
 Earth MOID = 1.27397 au 
 Jupiter MOID = 2.11601 au 
 T_jup = 3.382 
[ 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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