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129579 (1997 SF1)
Classification: Main-belt Asteroid          SPK-ID: 2129579
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2554543958667222 4.4381e-08  
a 2.276218127117468 1.2306e-08 au
q 1.694748200593793 1.0246e-07 au
i 24.15019977800888 5.4204e-06 deg
node 197.7814860835503 1.0077e-05 deg
peri 205.7886308370087 1.4332e-05 deg
M 201.914342980147 1.3918e-05 deg
tp 2459551.319378748678
(2021-Dec-02.81937875)
5.1867e-05 TDB
period 1254.351470510835
3.43
1.0172e-05
2.785e-08
d
yr
n .2870008992402981 2.3274e-09 deg/d
Q 2.857688053641142 1.5449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      442  
   data-arc span      8303 days (22.73 yr)  
   first obs. used      1997-09-21  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54569  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:17:29  

Additional Information
 Earth MOID = .718608 au 
 Jupiter MOID = 2.62726 au 
 T_jup = 3.453 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO417676  

129579 (1997 SF1)          Discovered 1997-Sep-21 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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