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23733 Hyojiyun (1998 HE123)
Classification: Main-belt Asteroid          SPK-ID: 2023733
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148216880070875 3.9246e-08  
a 2.402110824688088 1.1907e-08 au
q 2.126296405017305 9.5108e-08 au
i 7.852369643549283 4.7195e-06 deg
node 80.54663196126648 2.9045e-05 deg
peri 212.8306436208338 3.5167e-05 deg
M 170.5267248303305 2.1467e-05 deg
tp 2457956.363457883444
(2017-Jul-21.86345788)
7.9751e-05 TDB
period 1359.840549290346
3.72
1.0111e-05
2.768e-08
d
yr
n .2647369209484684 1.9684e-09 deg/d
Q 2.677925244358871 1.3274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1031  
   data-arc span      8593 days (23.53 yr)  
   first obs. used      1995-08-29  
   last obs. used      2019-03-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52689  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:25:32  

Additional Information
 Earth MOID = 1.11409 au 
 Jupiter MOID = 2.47113 au 
 T_jup = 3.503 
[ 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 MPO358853  
diameter diameter 3.058 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.227   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

23733 Hyojiyun           Discovered 1998 Apr. 23 by the Lincoln Laboratory Near-Earth Asteroid Research Team in Socorro.
Hyo Ji Yun (b. 1989) was awarded second place in the 2007 Intel International Science and Engineering Fair for his materials and bioengineering team project. He attends the Tianjin International School, Tianjin, China.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070828/MPCPages.arcLast Updated: 2007-08-30

Alternate Designations
 1998 HE123 = 1999 SE11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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