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392594 (2011 SR208)
Classification: Main-belt Asteroid          SPK-ID: 2392594
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07555051525836701 8.1101e-08  
a 3.190101751232875 5.5403e-08 au
q 2.949087920200612 2.5749e-07 au
i 15.20916249122999 8.7012e-06 deg
node 338.8218540047733 2.7768e-05 deg
peri 7.556805105762805 5.5782e-05 deg
M 201.3351423015484 5.1877e-05 deg
tp 2459917.741035422570
(2022-Dec-04.24103542)
0.00030984 TDB
period 2081.158849804633
5.70
5.4215e-05
1.484e-07
d
yr
n .172980548810003 4.5062e-09 deg/d
Q 3.431115582265138 5.9588e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      6703 days (18.35 yr)  
   first obs. used      2001-12-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56976  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:23:51  

Additional Information
 Earth MOID = 1.94195 au 
 Jupiter MOID = 1.97007 au 
 T_jup = 3.138 
[ 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 15.9   n/a MPO472031  

392594 (2011 SR208)          Discovered 2005-Sep-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2011 SR208 = 2010 FU114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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