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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09546808509970443 7.8391e-08  
a 2.392016053748666 2.8583e-08 au
q 2.163654861569529 1.9312e-07 au
i 3.007953879492006 1.0601e-05 deg
node 347.4225772264671 0.00014272 deg
peri 263.3463447963049 0.00015382 deg
M 204.1962520506833 6.1678e-05 deg
tp 2459585.316963953940
(2022-Jan-05.81696395)
0.00023781 TDB
period 1351.277551371265
3.70
2.422e-05
6.631e-08
d
yr
n .2664145494274475 4.7752e-09 deg/d
Q 2.620377245927803 3.1312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      7506 days (20.55 yr)  
   first obs. used      1999-04-18  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62192  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:34:22  

Additional Information
 Earth MOID = 1.152 au 
 Jupiter MOID = 2.40651 au 
 T_jup = 3.523 
[ 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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