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392564 (2011 SW91)
Classification: Main-belt Asteroid          SPK-ID: 2392564
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .086136657856052 7.476e-08  
a 2.760446265871203 3.8748e-08 au
q 2.522670650337839 2.1887e-07 au
i 2.402275816275707 7.8188e-06 deg
node 329.7445860354849 0.00015623 deg
peri 15.03995165711247 0.00016203 deg
M 354.862796406694 4.1372e-05 deg
tp 2459024.405159751054
(2020-Jun-23.90515975)
0.00019265 TDB
period 1675.202735120959
4.59
3.5272e-05
9.657e-08
d
yr
n .2148993625980476 4.5247e-09 deg/d
Q 2.998221881404568 4.2085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      7984 days (21.86 yr)  
   first obs. used      1997-10-10  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57056  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:44:47  

Additional Information
 Earth MOID = 1.51505 au 
 Jupiter MOID = 2.33782 au 
 T_jup = 3.335 
[ 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 16.7   n/a MPO437607  

392564 (2011 SW91)          Discovered 2006-Aug-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2011 SW91 = 2006 QG9 = 2009 EA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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