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120693 (1997 GN1)
Classification: Main-belt Asteroid          SPK-ID: 2120693
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07668680445546704 4.0076e-08  
a 2.74160551706173 1.7845e-08 au
q 2.531360550880787 1.087e-07 au
i 5.393489243028812 5.0899e-06 deg
node 356.320322821861 4.5988e-05 deg
peri 129.1749148137173 5.9196e-05 deg
M 140.9822690830447 3.5468e-05 deg
tp 2458551.166408729450
(2019-Mar-08.66640873)
0.00016301 TDB
period 1658.081504701154
4.54
1.6189e-05
4.432e-08
d
yr
n .2171183979673454 2.1199e-09 deg/d
Q 2.951850483242672 1.9214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      8474 days (23.20 yr)  
   first obs. used      1997-04-03  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:55:27  

Additional Information
 Earth MOID = 1.55045 au 
 Jupiter MOID = 2.08044 au 
 T_jup = 3.339 
[ 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 15.91   n/a E2021B55  

120693 (1997 GN1)          Discovered 1997-Apr-08 by Pravec, P. at Ondrejov
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1997 GN1 = 1999 TT168 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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