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JPL Small-Body Database Browser
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392523 (2011 QW42)
Classification: Main-belt Asteroid          SPK-ID: 2392523
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09569723645889304 7.8748e-08  
a 2.391382549676731 2.8662e-08 au
q 2.162533848356647 1.9379e-07 au
i 3.008276854979212 1.0727e-05 deg
node 347.4341984536889 0.00014278 deg
peri 263.2063543448557 0.00015393 deg
M 97.74885228536714 6.0589e-05 deg
tp 2458233.740664964550
(2018-Apr-25.24066496)
0.00022375 TDB
period 1350.74077624262
3.70
2.4284e-05
6.649e-08
d
yr
n .2665204207438074 4.7917e-09 deg/d
Q 2.620231250996816 3.1405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      7501 days (20.54 yr)  
   first obs. used      1999-04-18  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60942  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 13:05:17  

Additional Information
 Earth MOID = 1.15067 au 
 Jupiter MOID = 2.40684 au 
 T_jup = 3.524 
[ 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 17.7   n/a MPO455786  
diameter diameter 2.297 km 0.640 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392523 (2011 QW42)          Discovered 2006-Jan-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2011 QW42 = 2006 BR59 = 2010 LT11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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