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20098 Shibatagenji (1994 WC2)
Classification: Main-belt Asteroid          SPK-ID: 2020098
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1716641668251855 3.8807e-08  
a 2.777069120323185 1.383e-08 au
q 2.300345863566954 1.0701e-07 au
i 10.27818771970289 3.7136e-06 deg
node 89.25358117973626 2.3909e-05 deg
peri 248.8272642046513 2.6541e-05 deg
M 155.4189217628609 1.2653e-05 deg
tp 2457870.740341334326
(2017-Apr-27.24034133)
5.8718e-05 TDB
period 1690.357095132164
4.63
1.2628e-05
3.457e-08
d
yr
n .2129727505724776 1.591e-09 deg/d
Q 3.253792377079415 1.6205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2075  
   data-arc span      23404 days (64.08 yr)  
   first obs. used      1955-04-14  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46922  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:49:00  

Additional Information
 Earth MOID = 1.31363 au 
 Jupiter MOID = 2.17284 au 
 T_jup = 3.290 
[ 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 12.7   n/a MPO384927  
diameter diameter 18.003 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20098 Shibatagenji           Discovered 1994 Nov. 24 by K. Endate and K. Watanabe at Kitami.
Genji Shibata (b. 1940) is a medical doctor, who contributed to public welfare by establishing a hospital and a home for elderly people in Yamaguchi, Japan.
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 2017-01-12Last Updated: 2017-02-16

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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