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392531 (2011 QH66)
Classification: Main-belt Asteroid          SPK-ID: 2392531
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2495207809521387 8.4869e-08  
a 2.641473137697133 4.5317e-08 au
q 1.982370697514848 2.4767e-07 au
i 15.01039781451671 6.6609e-06 deg
node 140.9842733430318 3.6302e-05 deg
peri 185.323043827707 4.1252e-05 deg
M 24.07266756377701 2.6754e-05 deg
tp 2458895.644928125768
(2020-Feb-16.14492813)
0.00011448 TDB
period 1568.078227089548
4.29
4.0353e-05
1.105e-07
d
yr
n .2295803830324094 5.908e-09 deg/d
Q 3.300575577879417 5.6625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      5309 days (14.54 yr)  
   first obs. used      2005-02-09  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61884  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:44:33  

Additional Information
 Earth MOID = .970877 au 
 Jupiter MOID = 2.05841 au 
 T_jup = 3.303 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457837.5 (2017-Mar-25.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2501480898386063 8.4546e-08  
q 1.980347529122688 2.4675e-07 au
tp 2457328.832458509573
(2015-Nov-02.33245851)
8.8384e-05 TDB
node 141.034845636065 3.6323e-05 deg
peri 185.5190530918249 4.1288e-05 deg
i 15.00815757465378 6.6588e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      5309 days (14.54 yr)  
   first obs. used      2005-02-09  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61884  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:44:33  

Additional Information
 Jupiter MOID = 2.05841 au 
 T_jup = 3.303 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.148038595595019E-15 -2.074882554046248E-14 -2.882137938407177E-12 1.457216116616087E-14 -4.49876609071499E-13 -4.282525761291465E-14
q -2.074882554046248E-14 6.088747846462626E-14 9.163962205943902E-12 -2.995408476951362E-14 1.531442831652668E-12 1.355037634027473E-13
tp -2.882137938407177E-12 9.163962205943902E-12 7.81179254042437E-9 2.436089602254648E-11 1.847162055445333E-9 6.474550001505466E-11
node 1.457216116616087E-14 -2.995408476951362E-14 2.436089602254648E-11 1.319386115513066E-9 -1.265898932388677E-9 -3.067386773534765E-11
peri -4.49876609071499E-13 1.531442831652668E-12 1.847162055445333E-9 -1.265898932388677E-9 1.704683403324526E-9 4.442152054297113E-11
i -4.282525761291465E-14 1.355037634027473E-13 6.474550001505466E-11 -3.067386773534765E-11 4.442152054297113E-11 4.434026355062989E-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 MPO494989  
diameter diameter 2.711 km 0.504 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392531 (2011 QH66)          Discovered 2010-Jan-12 by WISE at WISE
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2011 QH66 = 2010 AK103 = 2010 MB61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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