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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1143785394012966 4.1934e-08  
a 3.1063279631878 1.5531e-08 au
q 2.751030707856975 1.307e-07 au
i .09608985373095001 4.2136e-06 deg
node 65.08095947564897 0.0025998 deg
peri 126.3611019925149 0.0025999 deg
M 23.34379349997822 1.8228e-05 deg
tp 2458470.830356092117
(2018-Dec-18.33035609)
0.00010131 TDB
period 1999.720902555164
5.47
1.4997e-05
4.106e-08
d
yr
n .1800251222758167 1.3501e-09 deg/d
Q 3.461625218518625 1.7308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1632  
   data-arc span      14773 days (40.45 yr)  
   first obs. used      1978-11-29  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52718  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:37:03  

Additional Information
 Earth MOID = 1.75131 au 
 Jupiter MOID = 1.49699 au 
 T_jup = 3.210 
[ 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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