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JPL Small-Body Database Browser
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266927 (2010 EG128)
Classification: Main-belt Asteroid          SPK-ID: 2266927
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1342798143419409 5.7345e-08  
a 3.166486904132993 7.2371e-08 au
q 2.741291630529827 1.6595e-07 au
i 2.131169659236876 1.1166e-05 deg
node 331.5345820375949 0.00016027 deg
peri 258.400981802328 0.00016543 deg
M 189.7873957100938 4.1049e-05 deg
tp 2459573.592638267455
(2021-Dec-25.09263827)
0.00024118 TDB
period 2058.092884705707
5.63
7.0557e-05
1.932e-07
d
yr
n .1749192189892234 5.9967e-09 deg/d
Q 3.591682177736158 8.2089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      5326 days (14.58 yr)  
   first obs. used      2004-03-17  
   last obs. used      2018-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66202  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:21:41  

Additional Information
 Earth MOID = 1.73207 au 
 Jupiter MOID = 1.41578 au 
 T_jup = 3.188 
[ 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 16.4   n/a MPO427481  
diameter diameter 2.845 km 0.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266927 (2010 EG128)          Discovered 2010-Mar-12 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2010 EG128 = 2008 YG74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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