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392604 (2011 SS242)
Classification: Main-belt Asteroid          SPK-ID: 2392604
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07693224275800072 1.5333e-07  
a 2.878719660300386 4.4702e-08 au
q 2.657253300561927 4.4511e-07 au
i 3.04113001696815 8.7562e-06 deg
node 118.7223490793223 0.00027778 deg
peri 242.9840719225526 0.00028265 deg
M 285.1016355166657 5.8483e-05 deg
tp 2459371.665260393016
(2021-Jun-06.16526039)
0.00029355 TDB
period 1784.010834725471
4.88
4.1555e-05
1.138e-07
d
yr
n .2017924964314457 4.7003e-09 deg/d
Q 3.100186020038845 4.8141e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      9661 days (26.45 yr)  
   first obs. used      1992-11-26  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69904  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:45:04  

Additional Information
 Earth MOID = 1.65573 au 
 Jupiter MOID = 2.27935 au 
 T_jup = 3.289 
[ 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 16.6   n/a MPO434455  

392604 (2011 SS242)          Discovered 2007-Dec-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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