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392611 (2011 SH258)
Classification: Main-belt Asteroid          SPK-ID: 2392611
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07232379648089901 6.1211e-08  
a 3.070423180462723 4.7411e-08 au
q 2.848358519248702 2.0685e-07 au
i 9.777325095049921 1.0409e-05 deg
node 215.532384089914 4.3609e-05 deg
peri 78.1399403659842 8.9117e-05 deg
M 304.5047962816698 7.5936e-05 deg
tp 2459303.434495893075
(2021-Mar-29.93449589)
0.00041378 TDB
period 1965.150341190394
5.38
4.5516e-05
1.246e-07
d
yr
n .1831920909328134 4.243e-09 deg/d
Q 3.292487841676744 5.084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      5813 days (15.92 yr)  
   first obs. used      2004-05-28  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55205  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:24:08  

Additional Information
 Earth MOID = 1.85361 au 
 Jupiter MOID = 1.84615 au 
 T_jup = 3.205 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO434455  

392611 (2011 SH258)          Discovered 2011-Sep-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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