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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08614862518555759 4.2921e-08  
a 2.983678939351974 1.6621e-08 au
q 2.726639100731699 1.3334e-07 au
i 9.075208275435726 3.8937e-06 deg
node 205.9038883155156 2.1732e-05 deg
peri 120.8819844122183 3.7011e-05 deg
M 63.36564019830828 2.5858e-05 deg
tp 2459065.156934209914
(2020-Aug-03.65693421)
0.00013608 TDB
period 1882.463481961564
5.15
1.573e-05
4.307e-08
d
yr
n .1912387695430208 1.598e-09 deg/d
Q 3.240718777972249 1.8053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1278  
   data-arc span      9402 days (25.74 yr)  
   first obs. used      1995-10-20  
   last obs. used      2021-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4981  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:47:05  

Additional Information
 Earth MOID = 1.72921 au 
 Jupiter MOID = 2.06791 au 
 T_jup = 3.234 
[ 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 14.46   n/a E2021B10  
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

Alternate Designations
 2000 UE6 = 1998 HT38 = 1999 NN60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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