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JPL Small-Body Database Browser
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52564 (1997 GN21)
Classification: Main-belt Asteroid          SPK-ID: 2052564
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1602446020380641 5.0949e-08  
a 2.329404381414031 9.2773e-09 au
q 1.956129903328617 1.1935e-07 au
i 4.741275354036487 6.232e-06 deg
node 22.34577192792846 5.0776e-05 deg
peri 199.2360356553355 5.4365e-05 deg
M 65.78670477383967 2.151e-05 deg
tp 2458363.198003856838
(2018-Sep-01.69800386)
7.6919e-05 TDB
period 1298.571176428786
3.56
7.7577e-06
2.124e-08
d
yr
n .2772277766013872 1.6562e-09 deg/d
Q 2.702678859499446 1.0764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      662  
   data-arc span      8211 days (22.48 yr)  
   first obs. used      1997-04-02  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52273  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:57:42  

Additional Information
 Earth MOID = .948848 au 
 Jupiter MOID = 2.27593 au 
 T_jup = 3.550 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO436152  

52564 (1997 GN21)          Discovered 1997-Apr-06 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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