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227895 (2007 EY112)
Classification: Main-belt Asteroid          SPK-ID: 2227895
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06960967163620821 4.1477e-08  
a 3.041417302378532 2.7463e-08 au
q 2.82970524265128 1.1836e-07 au
i 10.84750570361429 5.1391e-06 deg
node 205.2566308650969 2.1178e-05 deg
peri 141.910760059147 4.534e-05 deg
M 67.29443202829175 3.8367e-05 deg
tp 2458838.349510531904
(2019-Dec-20.84951053)
0.00020626 TDB
period 1937.36944170512
5.30
2.6241e-05
7.184e-08
d
yr
n .1858189730107214 2.5168e-09 deg/d
Q 3.253129362105784 2.9375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      335  
   data-arc span      7260 days (19.88 yr)  
   first obs. used      2001-02-22  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5177  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:12:26  

Additional Information
 Earth MOID = 1.83185 au 
 Jupiter MOID = 2.07574 au 
 T_jup = 3.209 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO494251  

227895 (2007 EY112)          Discovered 2007-Mar-11 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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