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21353 (1997 FG)
Classification: Main-belt Asteroid          SPK-ID: 2021353
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302636724813442 7.0397e-08  
a 3.172240744577424 3.7811e-08 AU
q 2.759013015193815 2.3644e-07 AU
i 15.08907013639558 6.4767e-06 deg
node 121.5563021933852 2.6687e-05 deg
peri 118.5519872991303 3.6658e-05 deg
M 18.14249678203286 2.6204e-05 deg
tp 2456896.497880692175
(2014-Aug-26.99788069)
0.00014999 JED
period 2063.705089803068
5.65
3.6897e-05
1.01e-07
d
yr
n .1744435296393796 3.1189e-09 deg/d
Q 3.585468473961033 4.2736e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      6642 days (18.18 yr)  
   first obs. used      1997-03-19  
   last obs. used      2015-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52164  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:39:22  

Additional Information
 Earth MOID = 1.78439 AU 
 T_jup = 3.135 
[ 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 12.9 mag n/a MPO263537  

21353 (1997 FG)          Discovered 1997-Mar-19 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 FG = 1999 TN101 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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