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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302637123487288 5.233e-08  
a 3.172240726125082 3.0964e-08 AU
q 2.759012872676202 1.6613e-07 AU
i 15.08906796553503 6.435e-06 deg
node 121.5563431589908 2.2604e-05 deg
peri 118.5519467467864 3.4021e-05 deg
M 18.14250310093258 2.4998e-05 deg
tp 2456896.497845376435
(2014-Aug-26.99784538)
0.0001434 JED
period 2063.705071796778
5.65
3.0215e-05
8.272e-08
d
yr
n .1744435311614385 2.5541e-09 deg/d
Q 3.585468579573963 3.4997e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      6730 days (18.43 yr)  
   first obs. used      1997-03-19  
   last obs. used      2015-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50319  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:56:58  

Additional Information
 Earth MOID = 1.78438 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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