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JPL Small-Body Database Browser
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266399 (2007 EA187)
Classification: Main-belt Asteroid          SPK-ID: 2266399
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .06500054920642358 8.5236e-08  
a 2.721851792633871 3.3647e-08 au
q 2.544929931254181 2.4508e-07 au
i 6.851718059044122 5.2554e-06 deg
node 129.3183632761024 6.4001e-05 deg
peri 263.2050834049449 8.354e-05 deg
M 24.53545191031392 4.8451e-05 deg
tp 2458488.714184796366
(2019-Jan-05.21418480)
0.00022125 TDB
period 1640.193692800555
4.49
3.0413e-05
8.327e-08
d
yr
n .2194862726153498 4.0698e-09 deg/d
Q 2.898773654013561 3.5834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      6524 days (17.86 yr)  
   first obs. used      2002-01-13  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5828  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 19:33:42  

Additional Information
 Earth MOID = 1.56076 au 
 Jupiter MOID = 2.38658 au 
 T_jup = 3.345 
[ 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 16.3   n/a MPO454980  

266399 (2007 EA187)          Discovered 2007-Mar-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2007 EA187 = 2002 AF145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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