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18564 Caseyo (1997 GO6)
Classification: Main-belt Asteroid          SPK-ID: 2018564
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162370424597608 3.7323e-08  
a 3.109371688234881 1.5159e-08 au
q 2.747947519286345 1.1488e-07 au
i .09553242823380373 4.0073e-06 deg
node 65.06554495055589 0.0022949 deg
peri 126.4864597898501 0.002295 deg
M 95.01059882020704 1.6418e-05 deg
tp 2458471.961118623277
(2018-Dec-19.46111862)
9.1768e-05 TDB
period 2002.660752151292
5.48
1.4645e-05
4.01e-08
d
yr
n .1797608504652033 1.3145e-09 deg/d
Q 3.470795857183416 1.6921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1778  
   data-arc span      15175 days (41.55 yr)  
   first obs. used      1978-11-29  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51762  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:23:30  

Additional Information
 Earth MOID = 1.74783 au 
 Jupiter MOID = 1.48661 au 
 T_jup = 3.209 
[ 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 13.7   n/a MPO474012  
diameter diameter 8.897 km 0.413 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18564 Caseyo           Discovered 1997 Apr. 2 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Casey O'Connell mentored a finalist in the 2012 Intel Science Talent Search, a science competition for high-school seniors. He teaches at the Henry M. Gunn High School, Palo Alto, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120506/MPCPages.arcLast Updated: 2012-05-09

[ show close-approach data ]
Alternate Designations
 1997 GO6 = 1978 WX3 = 1991 FM1 = 1994 XQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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