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359701 (2011 SS228)
Classification: Main-belt Asteroid          SPK-ID: 2359701
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816354720182413 5.6639e-08  
a 2.200898537239496 1.9027e-08 au
q 1.801137292563743 1.3586e-07 au
i 4.518821252259444 5.8908e-06 deg
node 300.0980017763831 9.5957e-05 deg
peri 322.7875432650545 0.00010057 deg
M 332.8551122012118 3.0554e-05 deg
tp 2459090.425737788521
(2020-Aug-28.92573779)
0.00010115 TDB
period 1192.610035592514
3.27
1.5465e-05
4.234e-08
d
yr
n .3018589390128218 3.9144e-09 deg/d
Q 2.600659781915248 2.2483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      5772 days (15.80 yr)  
   first obs. used      2004-07-08  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63668  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 23:24:26  

Additional Information
 Earth MOID = .787936 au 
 Jupiter MOID = 2.48543 au 
 T_jup = 3.639 
[ 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 17.6   n/a MPO311068  

359701 (2011 SS228)          Discovered 2004-Jul-08 by Siding Spring Survey at Siding Spring
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2011 SS228 = 2004 OA7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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