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268970 (2007 EC25)
Classification: Main-belt Asteroid          SPK-ID: 2268970
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0483973413968189 5.6476e-08  
a 3.132317219245658 3.544e-08 au
q 2.980721393422691 1.7296e-07 au
i 9.455795118978598 6.427e-06 deg
node 189.4334474514287 2.6175e-05 deg
peri 28.68308366279138 6.6505e-05 deg
M 119.2348065911673 6.4244e-05 deg
tp 2458329.847443290275
(2018-Jul-30.34744329)
0.00035421 TDB
period 2024.869476606222
5.54
3.4365e-05
9.409e-08
d
yr
n .1777892373603148 3.0174e-09 deg/d
Q 3.283913045068624 3.7155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      381  
   data-arc span      8961 days (24.53 yr)  
   first obs. used      1996-04-19  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52542  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:09:33  

Additional Information
 Earth MOID = 1.97839 au 
 Jupiter MOID = 1.68094 au 
 T_jup = 3.190 
[ 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 15.2   n/a MPO433745  

268970 (2007 EC25)          Discovered 2007-Mar-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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