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23308 Niyomsatian (2001 AS21)
Classification: Main-belt Asteroid          SPK-ID: 2023308
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07081908519803028 9.1641e-08  
a 2.566687702903097 2.5411e-08 AU
q 2.384917227794466 2.2993e-07 AU
i 3.982244782116469 9.1918e-06 deg
node 352.070362418037 0.00010237 deg
peri 28.93361144057412 0.000116 deg
M 167.8069469664486 5.9906e-05 deg
tp 2456100.391408879058
(2012-Jun-21.89140888)
0.00024695 JED
period 1501.958633774155
4.11
2.2305e-05
6.107e-08
d
yr
n .2396870272621184 3.5595e-09 deg/d
Q 2.748458178011728 2.7211e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      7739 days (21.19 yr)  
   first obs. used      1993-01-21  
   last obs. used      2014-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57181  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:19:29  

Additional Information
 Earth MOID = 1.38641 AU 
 T_jup = 3.425 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO259507  

23308 Niyomsatian           Discovered 2001 Jan. 3 by the Lincoln Laboratory Near-Earth Asteroid Research Team in Socorro.
Korawich Niyomsatian (b. 1989) was awarded first place in the 2007 Intel International Science and Engineering Fair for his plant sciences team project. He also received the EU Contest for Young Scientists Award. He attends the Trium Udom Suksa School, Bangkok, Thailand.
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
 2001 AS21 = 1993 BJ15 = 1999 RO59 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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