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227909 (2007 ED188)
Classification: Main-belt Asteroid          SPK-ID: 2227909
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1439021537294883 8.3296e-08  
a 2.572189769973732 2.2853e-08 au
q 2.202046122273555 2.254e-07 au
i 5.582381261195766 6.0704e-06 deg
node 16.78879980933863 7.5087e-05 deg
peri 173.1935592012628 8.0433e-05 deg
M 109.7018473674725 3.4701e-05 deg
tp 2458741.339651154262
(2019-Sep-14.83965115)
0.00014107 TDB
period 1506.790720039214
4.13
2.0081e-05
5.498e-08
d
yr
n .2389183814396143 3.1841e-09 deg/d
Q 2.942333417673908 2.6142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      313  
   data-arc span      8228 days (22.53 yr)  
   first obs. used      1996-09-21  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60677  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 06:11:17  

Additional Information
 Earth MOID = 1.20177 au 
 Jupiter MOID = 2.01203 au 
 T_jup = 3.408 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO470436  

227909 (2007 ED188)          Discovered 2007-Mar-09 by CSS at Catalina
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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