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79683 (1998 SF55)
Classification: Main-belt Asteroid          SPK-ID: 2079683
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2493186434758201 5.1741e-08  
a 2.370856778779668 1.1692e-08 au
q 1.779757982818869 1.2526e-07 au
i 2.30809992731966 5.9689e-06 deg
node 154.9803932194309 0.0001243 deg
peri 169.6715548728483 0.00012476 deg
M 359.0813737942873 1.368e-05 deg
tp 2459003.902457707900
(2020-Jun-03.40245771)
5.0685e-05 TDB
period 1333.387581615788
3.65
9.8637e-06
2.701e-08
d
yr
n .2699890151697341 1.9972e-09 deg/d
Q 2.961955574740468 1.4607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      10474 days (28.68 yr)  
   first obs. used      1991-11-29  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58925  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:35:59  

Additional Information
 Earth MOID = .767812 au 
 Jupiter MOID = 2.38293 au 
 T_jup = 3.501 
[ 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 16.1   n/a MPO468753  

79683 (1998 SF55)          Discovered 1998-Sep-16 by LONEOS at Anderson Mesa
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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