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JPL Small-Body Database Browser
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379817 (2011 KE28)
Classification: Main-belt Asteroid          SPK-ID: 2379817
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1997710349347276 5.9537e-08  
a 3.117941967604114 4.9685e-08 au
q 2.495067473869419 1.9188e-07 au
i 11.66184505539891 6.8655e-06 deg
node 247.9291000673606 4.2213e-05 deg
peri 353.3613916881283 4.8627e-05 deg
M 236.188581132784 2.5746e-05 deg
tp 2459692.105866032627
(2022-Apr-22.60586603)
0.00015403 TDB
period 2010.946276601248
5.51
4.8067e-05
1.316e-07
d
yr
n .1790201976993862 4.2791e-09 deg/d
Q 3.740816461338809 5.961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      7131 days (19.52 yr)  
   first obs. used      2000-05-28  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52201  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 21:14:27  

Additional Information
 Earth MOID = 1.4827 au 
 Jupiter MOID = 1.30185 au 
 T_jup = 3.155 
[ 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 15.8   n/a MPO423398  
diameter diameter 3.830 km 0.467 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

379817 (2011 KE28)          Discovered 2000-May-28 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2011 KE28 = 2000 KF26 = 2008 YT66 = 2010 HJ87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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