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79644 (1998 SA11)
Classification: Main-belt Asteroid          SPK-ID: 2079644
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2029596261153538 3.568e-08  
a 2.208448997703289 9.8823e-09 au
q 1.760223014834601 7.9476e-08 au
i 2.489712528616232 4.9466e-06 deg
node 243.7405421945809 0.00011252 deg
peri 40.64098128740009 0.00011372 deg
M 257.7569896096671 1.901e-05 deg
tp 2459340.955704435199
(2021-May-06.45570444)
6.4758e-05 TDB
period 1198.75239518828
3.28
8.0462e-06
2.203e-08
d
yr
n .3003122258149543 2.0157e-09 deg/d
Q 2.656674980571976 1.1888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      8843 days (24.21 yr)  
   first obs. used      1995-11-17  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5707  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:44:48  

Additional Information
 Earth MOID = .744718 au 
 Jupiter MOID = 2.49615 au 
 T_jup = 3.631 
[ 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 16.9   n/a MPO459363  

79644 (1998 SA11)          Discovered 1998-Sep-17 by ODAS at Caussols
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 SA11 = 2001 KG23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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