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21434 Stanchiang (1998 FG116)
Classification: Main-belt Asteroid          SPK-ID: 2021434
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07583903999724113 3.6808e-08  
a 2.234096756929877 7.8962e-09 au
q 2.064665003623365 8.5246e-08 au
i 6.568180774002668 4.2053e-06 deg
node 222.8442129444652 2.958e-05 deg
peri 213.5985922779864 4.216e-05 deg
M 218.9858390851886 3.2058e-05 deg
tp 2459078.262018427094
(2020-Aug-16.76201843)
0.00010979 TDB
period 1219.695422913293
3.34
6.4663e-06
1.77e-08
d
yr
n .2951556538107893 1.5648e-09 deg/d
Q 2.403528510236388 8.495e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1403  
   data-arc span      8332 days (22.81 yr)  
   first obs. used      1997-02-01  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49863  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:51:35  

Additional Information
 Earth MOID = 1.08238 au 
 Jupiter MOID = 2.77849 au 
 T_jup = 3.627 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO344471  

21434 Stanchiang           Discovered 1998 Mar. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Stanley Shang Chiang (b. 1987) is a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors, for his materials science project. He attends the John L. Miller-Great Neck North High School, Great Neck, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050224/MPCPages.arcLast Updated: 2005-02-28

Alternate Designations
 1998 FG116 = 1999 RM117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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