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266500 (2008 EH3)
Classification: Main-belt Asteroid          SPK-ID: 2266500
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1065095981997473 6.9181e-08  
a 2.206827892981201 1.949e-08 au
q 1.971779540803778 1.6336e-07 au
i 7.199260789311476 5.5631e-06 deg
node 105.4704525293071 5.2143e-05 deg
peri 295.3138525362808 6.14e-05 deg
M 8.70328601288511 3.6488e-05 deg
tp 2458971.551112486730
(2020-May-02.05111249)
0.00012115 TDB
period 1197.432727058287
3.28
1.5863e-05
4.343e-08
d
yr
n .3006431942814908 3.9829e-09 deg/d
Q 2.441876245158623 2.1566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      5809 days (15.90 yr)  
   first obs. used      2003-09-28  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55099  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:35  

Additional Information
 Earth MOID = .993097 au 
 Jupiter MOID = 2.88988 au 
 T_jup = 3.643 
[ 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 17.3   n/a MPO437227  

266500 (2008 EH3)          Discovered 2003-Sep-28 by LONEOS at Anderson Mesa
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2008 EH3 = 2011 AN8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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