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23212 Arkajitdey (2000 UR39)
Classification: Main-belt Asteroid          SPK-ID: 2023212
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05387533904361055 4.6319e-08  
a 2.869751345571343 1.5954e-08 au
q 2.71514251885783 1.3844e-07 au
i 2.33639214315017 5.9448e-06 deg
node 188.8652834412676 9.4227e-05 deg
peri 207.2756069769045 0.0001084 deg
M 15.27428363288456 5.2424e-05 deg
tp 2458925.160422690852
(2020-Mar-16.66042269)
0.00025855 TDB
period 1775.680515248569
4.86
1.4808e-05
4.054e-08
d
yr
n .2027391734653378 1.6907e-09 deg/d
Q 3.024360172284858 1.6814e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1067  
   data-arc span      8398 days (22.99 yr)  
   first obs. used      1996-11-05  
   last obs. used      2019-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56347  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:26:22  

Additional Information
 Earth MOID = 1.72178 au 
 Jupiter MOID = 2.21695 au 
 T_jup = 3.295 
[ 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 14.6   n/a MPO502335  

23212 Arkajitdey           Discovered 2000 Oct. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team in Socorro.
Arkajit Dey (b. 1989) was awarded second place in the 2007 Intel International Science and Engineering Fair for his mathematical sciences project. He attends the Harker School, San Jose, California, U.S.A.
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 UR39 = 1998 HC89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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