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392534 (2011 QY91)
Classification: Main-belt Asteroid          SPK-ID: 2392534
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07061614901538976 7.7908e-08  
a 2.788578786709276 3.8873e-08 au
q 2.591660091565859 2.3388e-07 au
i 4.230248815528545 6.1164e-06 deg
node 263.888355877807 0.00012782 deg
peri 48.573314190106 0.00014295 deg
M 347.7714636694436 6.9224e-05 deg
tp 2459058.275642418671
(2020-Jul-27.77564242)
0.00032743 TDB
period 1700.876597859799
4.66
3.5565e-05
9.737e-08
d
yr
n .2116555665784252 4.4257e-09 deg/d
Q 2.985497481852693 4.1618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      7024 days (19.23 yr)  
   first obs. used      2000-03-03  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60286  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:44:33  

Additional Information
 Earth MOID = 1.57969 au 
 Jupiter MOID = 2.19431 au 
 T_jup = 3.322 
[ 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 MPO476851  
diameter diameter 3.098 km 0.687 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.024   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392534 (2011 QY91)          Discovered 2007-Nov-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2011 QY91 = 2007 VX8 = 2009 AD25 = 2010 DS17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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