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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1217949644648872 2.9675e-08  
a 2.263418822777639 6.4998e-09 au
q 1.987745807688279 6.7232e-08 au
i 4.616197202782186 3.6346e-06 deg
node 13.03904619087279 3.6492e-05 deg
peri 36.92807956345143 3.9512e-05 deg
M 160.3841986457505 1.4608e-05 deg
tp 2458646.378642572168
(2019-Jun-11.87864257)
4.9983e-05 TDB
period 1243.786422592852
3.41
5.3577e-06
1.467e-08
d
yr
n .2894387601124702 1.2468e-09 deg/d
Q 2.539091837866998 7.2915e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1609  
   data-arc span      14110 days (38.63 yr)  
   first obs. used      1981-10-24  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4995  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:33:39  

Additional Information
 Earth MOID = .999005 au 
 Jupiter MOID = 2.79577 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 14.76   n/a E2021B10  
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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