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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160036257188106 5.0959e-08  
a 2.329346532100639 9.1872e-09 au
q 1.956566631409159 1.1927e-07 au
i 4.741017853337524 6.2317e-06 deg
node 22.34299489958271 5.078e-05 deg
peri 199.1963527034853 5.4372e-05 deg
M 176.7500815568085 2.1838e-05 deg
tp 2458362.961079670943
(2018-Sep-01.46107967)
7.6964e-05 TDB
period 1298.5228029142
3.56
7.6823e-06
2.103e-08
d
yr
n .2772381040918748 1.6402e-09 deg/d
Q 2.70212643279212 1.0658e-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 = .949177 au 
 Jupiter MOID = 2.27565 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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