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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1306509243813347 5.0908e-08  
a 3.173003664594301 3.0648e-08 au
q 2.758447802749694 1.6068e-07 au
i 15.08685861455205 6.3761e-06 deg
node 121.5492584988677 2.198e-05 deg
peri 118.6033394192452 3.3495e-05 deg
M 122.7017735818676 2.4694e-05 deg
tp 2456896.856586360808
(2014-Aug-27.35658636)
0.00014213 JED
period 2064.449612385573
5.65
2.9911e-05
8.189e-08
d
yr
n .174380618369272 2.5265e-09 deg/d
Q 3.58755952643891 3.4652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      860  
   data-arc span      6823 days (18.68 yr)  
   first obs. used      1997-03-19  
   last obs. used      2015-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5071  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:47:38  

Additional Information
 Earth MOID = 1.78211 au 
 Jupiter MOID = 1.69009 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 13.1 mag n/a MPO350971  

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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