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392591 (2011 SQ201)
Classification: Main-belt Asteroid          SPK-ID: 2392591
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1083102017768898 7.4761e-08  
a 2.72874794169262 3.9489e-08 au
q 2.43319670152962 2.2512e-07 au
i 8.791471002373918 8.7192e-06 deg
node 1.869229626466125 4.6472e-05 deg
peri 287.5711421369581 6.2455e-05 deg
M 29.21200507726222 4.0414e-05 deg
tp 2458866.901240614581
(2020-Jan-18.40124061)
0.00018434 TDB
period 1646.431090626743
4.51
3.574e-05
9.785e-08
d
yr
n .2186547630505201 4.7464e-09 deg/d
Q 3.02429918185562 4.3766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      9386 days (25.70 yr)  
   first obs. used      1993-09-20  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54445  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:44:47  

Additional Information
 Earth MOID = 1.43522 au 
 Jupiter MOID = 2.19645 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457260.5 (2015-Aug-26.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077925126531361 7.4904e-08  
q 2.434847955901109 2.2508e-07 au
tp 2457223.945598892059
(2015-Jul-20.44559889)
0.00018359 TDB
node 1.959058602603964 4.6451e-05 deg
peri 288.3023581290606 6.2576e-05 deg
i 8.79322604746126 8.721e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      9386 days (25.70 yr)  
   first obs. used      1993-09-20  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54445  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:44:47  

Additional Information
 Jupiter MOID = 2.19645 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.610612332178272E-15 -1.671650104870402E-14 1.44480206452677E-12 -2.568201078305631E-15 4.525540225906851E-13 -1.772982401136012E-14
q -1.671650104870402E-14 5.065895113609233E-14 -4.175628841555958E-12 6.649987455883004E-15 -1.316539253633662E-12 5.737224174476682E-14
tp 1.44480206452677E-12 -4.175628841555958E-12 3.370395372356254E-8 -3.095941903930808E-11 7.73811380229934E-9 1.270684934735472E-11
node -2.568201078305631E-15 6.649987455883004E-15 -3.095941903930808E-11 2.157673579536153E-9 -2.138805235507343E-9 3.41327883372616E-11
peri 4.525540225906851E-13 -1.316539253633662E-12 7.73811380229934E-9 -2.138805235507343E-9 3.915725720985785E-9 -3.109608776054489E-11
i -1.772982401136012E-14 5.737224174476682E-14 1.270684934735472E-11 3.41327883372616E-11 -3.109608776054489E-11 7.605628742042918E-11

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 16.7   n/a MPO437607  
diameter diameter 2.812 km 0.888 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392591 (2011 SQ201)          Discovered 2010-Jul-29 by WISE at WISE
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2011 SQ201 = 2010 OD107 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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