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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3390319010710393 4.5075e-08  
a 2.669845772396843 9.2294e-09 au
q 1.764682884614664 1.2317e-07 au
i 2.197965925188971 4.8051e-06 deg
node 153.5699368546245 9.1205e-05 deg
peri 208.7125836488745 9.135e-05 deg
M 214.1625542070992 5.0246e-06 deg
tp 2459645.997013377369
(2022-Mar-07.49701338)
2.4171e-05 TDB
period 1593.410550715809
4.36
8.2624e-06
2.262e-08
d
yr
n .225930473372526 1.1715e-09 deg/d
Q 3.575008660179022 1.2358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1142  
   data-arc span      15031 days (41.15 yr)  
   first obs. used      1978-11-29  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51424  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:59:50  

Additional Information
 Earth MOID = .762479 au 
 Jupiter MOID = 1.88243 au 
 T_jup = 3.296 
[ 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 14.8   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

[ show close-approach data ]
Alternate Designations
 1991 VN = 1978 WO13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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