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13647 Rey (1996 HR24)
Classification: Main-belt Asteroid          SPK-ID: 2013647
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1730695786680579 3.3661e-08  
a 3.188007757714016 1.9348e-08 au
q 2.636260598295951 1.103e-07 au
i 4.592413309071646 3.7633e-06 deg
node 85.88128341714085 5.084e-05 deg
peri 222.8106763505203 5.2187e-05 deg
M 22.62320672311044 1.1525e-05 deg
tp 2458869.844064342200
(2020-Jan-21.34406434)
6.626e-05 TDB
period 2079.110066600723
5.69
1.8928e-05
5.182e-08
d
yr
n .1731510061843855 1.5763e-09 deg/d
Q 3.739754917132081 2.2697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1162  
   data-arc span      10661 days (29.19 yr)  
   first obs. used      1991-07-15  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 16:34:12  

Additional Information
 Earth MOID = 1.6239 au 
 Jupiter MOID = 1.53157 au 
 T_jup = 3.169 
[ 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 13.9   n/a MPO435830  
diameter diameter 8.295 km 0.330 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13647 Rey           Discovered 1996 Apr. 20 by E. W. Elst at the European Southern Observatory.
In Amsterdam from 1744 onward, Marc-Michel Rey (1720-1780) was a major figure in the publishing history of the Enlightenment. Manuscripts were smuggled out of France and found their way to Amsterdam, where they were printed and brought back to France clandestinely.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050919/MPCPages.arcLast Updated: 2005-09-26

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Alternate Designations
 1996 HR24 = 1991 NW7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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