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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 
[ 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 16.7   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1950-Nov-26 23:35 00:02 Europ 0.0349557674085335 0.0349482985850266 0.0349632628833415 5.52475997024666 5.5247599152116 2433612.482596385 1.97617080282313 1727.62703276479 161.050481455437 78.7207436879216 31836.459249237 T 17 CATAB v2.0f-lin.ifort 2019-Sep-24 07:09:02 2019-Sep-24 07:09
1960-Jun-11 13:47 00:07 Amphi 0.0213101400914642 0.0212823577684173 0.0213379313356804 3.13553148641048 3.13553140037539 2437097.074110159 7.17106650736132 1547.12282202081 131.260133519702 26.6024729221815 11020.8630537453 T 17 CATAB v2.0f-lin.ifort 2019-Sep-24 07:09:02 2019-Sep-24 07:09

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