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268974 (2007 EQ40)
Classification: Main-belt Asteroid          SPK-ID: 2268974
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2428235565587281 5.6105e-08  
a 2.567207235521359 2.1652e-08 au
q 1.943828844168762 1.5081e-07 au
i 2.739009158759154 7.2354e-06 deg
node 234.5686596411408 7.887e-05 deg
peri 111.3094516888851 8.0521e-05 deg
M 259.8717757045152 1.5727e-05 deg
tp 2459418.372539688358
(2021-Jul-22.87253969)
6.5663e-05 TDB
period 1502.414682236531
4.11
1.9007e-05
5.204e-08
d
yr
n .2396142717828711 3.0314e-09 deg/d
Q 3.190585626873955 2.691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      6750 days (18.48 yr)  
   first obs. used      2001-12-17  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48092  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:09:31  

Additional Information
 Earth MOID = .938846 au 
 Jupiter MOID = 2.24687 au 
 T_jup = 3.388 
[ 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 16.0   n/a MPO281409  

268974 (2007 EQ40)          Discovered 2007-Mar-09 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2007 EQ40 = 2001 YX105 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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