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117241 (2004 SS20)
Classification: Main-belt Asteroid          SPK-ID: 2117241
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 .2015858012841357 4.7245e-08  
a 2.36975094550043 1.3251e-08 au
q 1.892042802307888 1.0829e-07 au
i 1.849490801668285 5.5691e-06 deg
node 36.27077921415766 0.00012836 deg
peri 319.0550712190574 0.00012898 deg
M 125.6222250042811 1.4875e-05 deg
tp 2458535.539065770146
(2019-Feb-21.03906577)
5.2751e-05 TDB
period 1332.454797047601
3.65
1.1176e-05
3.06e-08
d
yr
n .2701780208962234 2.2662e-09 deg/d
Q 2.847459088692972 1.5922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      9632 days (26.37 yr)  
   first obs. used      1993-09-19  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52359  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:44:35  

Additional Information
 Earth MOID = .88795 au 
 Jupiter MOID = 2.59364 au 
 T_jup = 3.517 
[ 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 16.9   n/a MPO359559  

117241 (2004 SS20)          Discovered 2004-Sep-17 by Yeung, W. K. Y. at Desert Eagle
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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