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20019 Yukiotanaka (1991 VN)
Classification: Main-belt Asteroid          SPK-ID: 2020019
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3390319015647033 4.4966e-08  
a 2.669845772419437 9.2034e-09 au
q 1.764682883311592 1.2292e-07 au
i 2.197966383091746 4.6441e-06 deg
node 153.5699303876066 8.9327e-05 deg
peri 208.712589824354 8.9442e-05 deg
M 214.1625543747441 4.8869e-06 deg
tp 2459645.997012643543
(2022-Mar-07.49701264)
2.3665e-05 TDB
period 1593.410550736035
4.36
8.2391e-06
2.256e-08
d
yr
n .225930473369658 1.1682e-09 deg/d
Q 3.575008661527282 1.2324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1178  
   data-arc span      15124 days (41.41 yr)  
   first obs. used      1978-11-29  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51411  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:08:19  

Additional Information
 Earth MOID = .762479 au 
 Jupiter MOID = 1.88243 au 
 T_jup = 3.296 
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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 14.8   n/a MPO233632  
diameter diameter 3.349 km 1.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.144   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20019 Yukiotanaka           Discovered 1991 Nov. 2 by A. Takahashi and K. Watanabe at Kitami.
Yukio Tanaka (b. 1967) is an infielder for the Hokkaido Nippon Ham Fighters.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070926/MPCPages.arcLast Updated: 2007-09-30

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Alternate Designations
 1991 VN = 1978 WO13 
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