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23274 Wuminchun (2000 YK91)
Classification: Main-belt Asteroid          SPK-ID: 2023274
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06663364133704844 4.6248e-08  
a 2.992193384873286 2.2246e-08 au
q 2.792812644054551 1.3937e-07 au
i 9.199308840430533 5.6852e-06 deg
node 292.9245607626484 3.3847e-05 deg
peri 348.6353140036284 5.9788e-05 deg
M 94.78924657231772 4.8833e-05 deg
tp 2458502.717659783709
(2019-Jan-19.21765978)
0.00025773 TDB
period 1890.52713211668
5.18
2.1084e-05
5.772e-08
d
yr
n .19042308035904 2.1236e-09 deg/d
Q 3.191574125692022 2.3729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      9871 days (27.03 yr)  
   first obs. used      1993-07-22  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54196  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:59:15  

Additional Information
 Earth MOID = 1.777 au 
 Jupiter MOID = 1.96022 au 
 T_jup = 3.233 
[ 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 14.5   n/a MPO435918  

23274 Wuminchun           Discovered 2000 Dec. 30 by the Lincoln Laboratory Near-Earth Asteroid Research Team in Socorro.
Wu Min-Chun (b. 1989) was awarded second place in the 2007 Intel International Science and Engineering Fair for his plant sciences project. He attends the Taipei Municipal Jianguo High School, Taipei, Taiwan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070828/MPCPages.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 2000 YK91 = 1999 VB48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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