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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 ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302636714843505 7.13e-08  
a 3.172240744897055 3.8166e-08 AU
q 2.759013018634513 2.3987e-07 AU
i 15.08907014775649 6.4769e-06 deg
node 121.5562981247023 2.6814e-05 deg
peri 118.551991058534 3.674e-05 deg
M 18.14249683732504 2.6283e-05 deg
tp 2456896.497880359493
(2014-Aug-26.99788036)
0.00015043 JED
period 2063.705090114972
5.65
3.7243e-05
1.02e-07
d
yr
n .1744435296130146 3.1482e-09 deg/d
Q 3.585468471159596 4.3138e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      732  
   data-arc span      6332 days (17.34 yr)  
   first obs. used      1997-03-19  
   last obs. used      2014-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52066  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:04:18  

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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