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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1085592262714865 7.5225e-08  
a 2.728825684302055 3.9064e-08 au
q 2.432586479384464 2.257e-07 au
i 8.79169184928306 8.8282e-06 deg
node 1.943832549833662 4.719e-05 deg
peri 287.957216163796 6.2968e-05 deg
M 301.385356471606 4.033e-05 deg
tp 2458868.580821309113
(2020-Jan-20.08082131)
0.00018533 TDB
period 1646.501451885996
4.51
3.5355e-05
9.68e-08
d
yr
n .2186454191022034 4.695e-09 deg/d
Q 3.025064889219646 4.3305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   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      .51252  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:01  

Additional Information
 Earth MOID = 1.43389 au 
 Jupiter MOID = 2.19744 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457219.5 (2015-Jul-16.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077685063581567 7.5295e-08  
q 2.434848048132694 2.2571e-07 au
tp 2457223.947260954358
(2015-Jul-20.44726095)
0.00018437 TDB
node 1.959365123742558 4.7172e-05 deg
peri 288.3025534965241 6.3154e-05 deg
i 8.793203740529455 8.8292e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      85  
   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      .51252  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:01  

Additional Information
 Jupiter MOID = 2.19744 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.669327324553007E-15 -1.684569468733232E-14 1.571204717012506E-12 -1.98917218356987E-15 4.741635850184581E-13 -1.78061389509573E-14
q -1.684569468733232E-14 5.094283679026837E-14 -4.454766490634893E-12 4.218312133378789E-15 -1.363140515088375E-12 5.773161469891436E-14
tp 1.571204717012506E-12 -4.454766490634893E-12 3.399098072493823E-8 -2.599849598537905E-11 7.78448236131812E-9 1.189961465309681E-11
node -1.98917218356987E-15 4.218312133378789E-15 -2.599849598537905E-11 2.225174616763481E-9 -2.204291389244386E-9 2.283390224498694E-11
peri 4.741635850184581E-13 -1.363140515088375E-12 7.78448236131812E-9 -2.204291389244386E-9 3.988452490809496E-9 -2.01313713704075E-11
i -1.78061389509573E-14 5.773161469891436E-14 1.189961465309681E-11 2.283390224498694E-11 -2.01313713704075E-11 7.795514095397497E-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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