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79722 (1998 SK117)
Classification: Main-belt Asteroid          SPK-ID: 2079722
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1661414463708303 4.888e-08  
a 2.276326920359655 1.2119e-08 au
q 1.898134673398244 1.1404e-07 au
i 4.641971326657689 5.7801e-06 deg
node 341.8806263113484 5.6997e-05 deg
peri 338.730813165483 5.9108e-05 deg
M 152.4025081032735 1.5788e-05 deg
tp 2458469.444400890840
(2018-Dec-16.94440089)
5.4431e-05 TDB
period 1254.441400332776
3.43
1.0018e-05
2.743e-08
d
yr
n .2869803243933913 2.2919e-09 deg/d
Q 2.654519167321066 1.4133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      9843 days (26.95 yr)  
   first obs. used      1993-01-22  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62201  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 12:31:04  

Additional Information
 Earth MOID = .886386 au 
 Jupiter MOID = 2.64866 au 
 T_jup = 3.586 
[ 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 16.1   n/a MPO432346  

79722 (1998 SK117)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 SK117 = 2000 ET186 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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