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129623 (1998 FS20)
Classification: Main-belt Asteroid          SPK-ID: 2129623
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1519829904925989 4.3748e-08  
a 2.423029116528823 1.0364e-08 au
q 2.054769905348132 1.071e-07 au
i 3.176784932193845 4.1025e-06 deg
node 102.8850531407213 8.8204e-05 deg
peri 95.61894358655961 8.913e-05 deg
M 297.2467821419384 1.4385e-05 deg
tp 2459240.642969115294
(2021-Jan-26.14296912)
5.5663e-05 TDB
period 1377.642005180453
3.77
8.8391e-06
2.42e-08
d
yr
n .2613160738756981 1.6766e-09 deg/d
Q 2.791288327709513 1.194e-08 au
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      7982 days (21.85 yr)  
   first obs. used      1998-02-27  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57534  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 17:55:56  

Additional Information
 Earth MOID = 1.05555 au 
 Jupiter MOID = 2.16761 au 
 T_jup = 3.494 
[ 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 16.0   n/a MPO412839  

129623 (1998 FS20)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1998 FS20 = 2002 GA17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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