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19499 Eugenybiryukov (1998 KR42)
Classification: Main-belt Asteroid          SPK-ID: 2019499
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09771566574078119 3.5348e-08  
a 2.726635550615002 1.1415e-08 au
q 2.460200542554175 9.5902e-08 au
i 12.94434414592839 3.9693e-06 deg
node 189.8122817267362 1.5126e-05 deg
peri 350.3533675585084 2.3672e-05 deg
M 102.8597629883929 1.7654e-05 deg
tp 2458926.625274865259
(2020-Mar-18.12527487)
8.0415e-05 TDB
period 1644.519646303237
4.50
1.0327e-05
2.827e-08
d
yr
n .2189089080262764 1.3747e-09 deg/d
Q 2.993070558675828 1.2531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1661  
   data-arc span      15963 days (43.70 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49787  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:10:54  

Additional Information
 Earth MOID = 1.46427 au 
 Jupiter MOID = 1.96649 au 
 T_jup = 3.313 
[ 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 14.22   n/a E2021B10  
diameter diameter 4.519 km 0.351 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.238   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19499 Eugenybiryukov           Discovered 1998 May 27 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Eugeny Biryukov (b. 1979) is a lecturer at South Ural State University in Chelyabinsk, Russia. As a scientist, he studies the origin of Halley-type comets. He supported a field study of the Chelyabinsk air-burst, which shattered his office windows.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-07-12Last Updated: 2014-08-13

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Alternate Designations
 1998 KR42 = 3103 T-3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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