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442304 (2011 SS59)
Classification: Main-belt Asteroid          SPK-ID: 2442304
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1845567722271264 5.8932e-07  
a 2.591317392607484 1.3542e-07 au
q 2.113072218811833 1.6353e-06 au
i 2.626592721894069 9.7603e-06 deg
node 301.8602251854836 0.00014531 deg
peri 61.24060025645448 0.00016006 deg
M 25.32104548278798 9.6705e-05 deg
tp 2458893.333641321534
(2020-Feb-13.83364132)
0.00040176 TDB
period 1523.62939162495
4.17
0.00011943
3.27e-07
d
yr
n .2362779308267742 1.8521e-08 deg/d
Q 3.069562566403135 1.6041e-07 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      5779 days (15.82 yr)  
   first obs. used      2003-12-01  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53254  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:00:21  

Additional Information
 Earth MOID = 1.11209 au 
 Jupiter MOID = 2.39833 au 
 T_jup = 3.394 
[ 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 17.8   n/a MPO495191  

442304 (2011 SS59)          Discovered 2007-Oct-20 by CSS at Catalina
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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