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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2000158448483306 5.9839e-08  
a 3.117531352578534 4.9598e-08 au
q 2.493975685251379 1.9271e-07 au
i 11.66364167351934 6.8808e-06 deg
node 247.9307309406707 4.2829e-05 deg
peri 353.29972311655 4.9404e-05 deg
M 164.6699136459311 2.5083e-05 deg
tp 2457680.841840128584
(2016-Oct-19.34184013)
0.00012984 TDB
period 2010.549044591004
5.50
4.798e-05
1.314e-07
d
yr
n .1790555674175225 4.273e-09 deg/d
Q 3.741087019905688 5.9519e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      6739 days (18.45 yr)  
   first obs. used      2000-05-28  
   last obs. used      2018-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5212  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:10:39  

Additional Information
 Earth MOID = 1.4815 au 
 Jupiter MOID = 1.30133 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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