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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1174361149245455 3.3723e-08  
a 3.10554648732368 1.3994e-08 au
q 2.740843173134818 1.0097e-07 au
i .09570943205689356 3.3734e-06 deg
node 65.42973810188349 0.0021867 deg
peri 125.6789510602104 0.0021867 deg
M 131.3694823234812 1.5083e-05 deg
tp 2458471.046744943726
(2018-Dec-18.54674494)
8.3581e-05 TDB
period 1998.966328980658
5.47
1.3512e-05
3.699e-08
d
yr
n .1800930784980137 1.2173e-09 deg/d
Q 3.470249801512543 1.5638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1953  
   data-arc span      15320 days (41.94 yr)  
   first obs. used      1978-11-29  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50591  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:31:57  

Additional Information
 Earth MOID = 1.74021 au 
 Jupiter MOID = 1.48611 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 13.68   n/a E2021B10  
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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