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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2491404545724034 4.4157e-08  
a 2.370899376747398 7.7331e-09 au
q 1.780212428279123 1.0364e-07 au
i 2.30820859295212 5.0775e-06 deg
node 154.9760109415525 0.0001141 deg
peri 169.7226800441319 0.00011453 deg
M 105.9737224736102 1.0716e-05 deg
tp 2459003.978183817268
(2020-Jun-03.47818382)
3.9292e-05 TDB
period 1333.423517900604
3.65
6.5238e-06
1.786e-08
d
yr
n .2699817388602824 1.3209e-09 deg/d
Q 2.961586325215673 9.6597e-09 au
  Orbit Determination Parameters
   # obs. used (total)      769  
   data-arc span      10657 days (29.18 yr)  
   first obs. used      1991-11-29  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49619  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:43:08  

Additional Information
 Earth MOID = .767562 au 
 Jupiter MOID = 2.38309 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 16.20   n/a MPCxxxxx  

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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