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266357 (2007 EY9)
Classification: Main-belt Asteroid          SPK-ID: 2266357
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1320762220799315 7.81e-08  
a 2.668979528207494 2.8974e-08 au
q 2.31647079531317 2.0094e-07 au
i 8.891831615716757 8.8107e-06 deg
node 33.07367034999285 3.6111e-05 deg
peri 163.3973450359815 4.4749e-05 deg
M 271.5294777277093 2.8764e-05 deg
tp 2458991.892393513415
(2020-May-22.39239351)
0.0001313 TDB
period 1592.635129146967
4.36
2.5934e-05
7.1e-08
d
yr
n .2260404743130462 3.6808e-09 deg/d
Q 3.021488261101817 3.2801e-08 au
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      6211 days (17.00 yr)  
   first obs. used      2002-01-05  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58403  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:58:26  

Additional Information
 Earth MOID = 1.31613 au 
 Jupiter MOID = 1.9366 au 
 T_jup = 3.352 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457197.5 (2015-Jun-24.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330996646817316 7.7902e-08  
q 2.314023508425917 2.0094e-07 au
tp 2457398.828782323867
(2016-Jan-11.32878232)
0.00011555 TDB
node 33.09935166720329 3.6129e-05 deg
peri 163.2611231105562 4.4692e-05 deg
i 8.890336541686386 8.8084e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      6211 days (17.00 yr)  
   first obs. used      2002-01-05  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58403  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:58:26  

Additional Information
 Jupiter MOID = 1.9366 au 
 T_jup = 3.352 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.068662373490792E-15 -1.554606983532126E-14 3.70176342318642E-12 -4.408656781263749E-14 8.331702644248401E-13 1.252552331285965E-14
q -1.554606983532126E-14 4.037553687558675E-14 -8.411527906466688E-12 1.08456855491486E-13 -1.913462164123626E-12 -3.078684697555187E-14
tp 3.70176342318642E-12 -8.411527906466688E-12 1.335109695846731E-8 -7.996411771094396E-11 3.059488917694341E-9 1.632895608772418E-11
node -4.408656781263749E-14 1.08456855491486E-13 -7.996411771094396E-11 1.305300976001682E-9 -1.306334568002023E-9 -7.300664912417231E-12
peri 8.331702644248401E-13 -1.913462164123626E-12 3.059488917694341E-9 -1.306334568002023E-9 1.9973364189533E-9 1.071974630482482E-11
i 1.252552331285965E-14 -3.078684697555187E-14 1.632895608772418E-11 -7.300664912417231E-12 1.071974630482482E-11 7.758774666203558E-11

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 16.1   n/a MPO427480  

266357 (2007 EY9)          Discovered 2007-Mar-10 by Kocher, P. at Marly
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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