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JPL Small-Body Database Browser
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19855 Borisalexeev (2000 UE6)
Classification: Main-belt Asteroid          SPK-ID: 2019855
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08694872379915557 4.4726e-08  
a 2.986133070529829 2.2847e-08 au
q 2.726492610952806 1.4269e-07 au
i 9.07206891233411 5.1973e-06 deg
node 205.9280296446815 2.4074e-05 deg
peri 120.9106476734001 3.9773e-05 deg
M 347.5991535305986 2.9829e-05 deg
tp 2459065.424855632205
(2020-Aug-03.92485563)
0.00015626 TDB
period 1884.786501088096
5.16
2.1631e-05
5.922e-08
d
yr
n .1910030657542223 2.1921e-09 deg/d
Q 3.245773530106851 2.4834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      8682 days (23.77 yr)  
   first obs. used      1995-10-20  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5417  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:57:13  

Additional Information
 Earth MOID = 1.72979 au 
 Jupiter MOID = 2.06811 au 
 T_jup = 3.233 
[ 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 14.4   n/a MPO337425  
diameter diameter 4.636 km 0.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.188   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19855 Borisalexeev           Discovered 2000 Oct. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Boris Alexeev (b. 1987) is a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors, for his computer science project. He attends the Cedar Shoals High School, Athens, Georgia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040415/MPCPages.arcLast Updated: 2004-04-20

[ show close-approach data ]
Alternate Designations
 2000 UE6 = 1998 HT38 = 1999 NN60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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