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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2013601468929843 4.8662e-08  
a 2.369519220113142 1.3429e-08 au
q 1.892392481885411 1.1233e-07 au
i 1.849687218547232 5.9954e-06 deg
node 36.28055799982943 0.00012964 deg
peri 319.0359759677186 0.00013028 deg
M 17.57773652843354 1.435e-05 deg
tp 2458535.449710999432
(2019-Feb-20.94971100)
5.2806e-05 TDB
period 1332.25936128487
3.65
1.1326e-05
3.101e-08
d
yr
n .2702176546560764 2.2971e-09 deg/d
Q 2.846645958340874 1.6133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      434  
   data-arc span      9575 days (26.21 yr)  
   first obs. used      1993-09-19  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5395  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:47:58  

Additional Information
 Earth MOID = .887402 au 
 Jupiter MOID = 2.59079 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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