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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302636827360103 6.5026e-08  
a 3.172240739960029 3.5723e-08 AU
q 2.759012978647629 2.1593e-07 AU
i 15.08907003539413 6.4755e-06 deg
node 121.5563080799715 2.5936e-05 deg
peri 118.5519814513659 3.6183e-05 deg
M 18.14249829441115 2.5774e-05 deg
tp 2456896.497872249517
(2014-Aug-26.99787225)
0.00014764 JED
period 2063.70508529729
5.65
3.4859e-05
9.544e-08
d
yr
n .1744435300202498 2.9466e-09 deg/d
Q 3.585468501272429 4.0376e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      744  
   data-arc span      6667 days (18.25 yr)  
   first obs. used      1997-03-19  
   last obs. used      2015-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51989  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:28:52  

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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