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JPL Small-Body Database Browser
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14605 Hyeyeonchoi (1998 SD123)
Classification: Main-belt Asteroid          SPK-ID: 2014605
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1216912475564789 3.0844e-08  
a 2.26376064036954 6.7351e-09 au
q 1.988280783873717 7.0319e-08 au
i 4.615819608075953 3.7428e-06 deg
node 13.03965689395491 3.7229e-05 deg
peri 36.98920245954073 4.0209e-05 deg
M 102.4384849474732 1.4663e-05 deg
tp 2458646.498722121047
(2019-Jun-11.99872212)
5.0335e-05 TDB
period 1244.06818493821
3.41
5.552e-06
1.52e-08
d
yr
n .2893732066766746 1.2914e-09 deg/d
Q 2.539240496865363 7.5547e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1491  
   data-arc span      13983 days (38.28 yr)  
   first obs. used      1981-10-24  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50269  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:00:55  

Additional Information
 Earth MOID = 1.00045 au 
 Jupiter MOID = 2.79512 au 
 T_jup = 3.604 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO412290  
diameter diameter 3.867 km 0.551 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.187   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14605 Hyeyeonchoi           Discovered 1998 Sept. 26 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Hyeyeon Choi (b. 1984) was named a finalist in the 2003 Intel Science Talent Search, a science competition for high school seniors, for her engineering project. She attends the Half Hollow Hills High School East, Dix Hills, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030216/MPCPages.arcLast Updated: 2011-11-22

Alternate Designations
 1998 SD123 = 1981 UF29 = 1991 PS17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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