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15028 Soushiyou (1998 UL23)
Classification: Main-belt Asteroid          SPK-ID: 2015028
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1459498504986756 3.3239e-08  
a 2.445956124985328 7.7777e-09 au
q 2.088969194217399 8.2295e-08 au
i 3.763190821351055 4.0881e-06 deg
node 59.70382376945447 6.2198e-05 deg
peri 14.04679291939892 6.4336e-05 deg
M 217.5931799677195 1.6663e-05 deg
tp 2459553.213036987776
(2021-Dec-04.71303699)
6.5716e-05 TDB
period 1397.241320819437
3.83
6.6645e-06
1.825e-08
d
yr
n .2576505537274489 1.2289e-09 deg/d
Q 2.802943055753256 8.9129e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1484  
   data-arc span      9425 days (25.80 yr)  
   first obs. used      1994-10-09  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54035  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:56:32  

Additional Information
 Earth MOID = 1.10405 au 
 Jupiter MOID = 2.45188 au 
 T_jup = 3.481 
[ 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 14.9   n/a MPO435841  
diameter diameter 5.189 km 1.268 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.034   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

15028 Soushiyou           Discovered 1998 Oct. 26 by T. Okuni at Nanyo.
Soushiyoukouen is a park on a hill located in the northern part of Nanyo-city, Yamagata prefecture. This park is known for pine wood, cherry trees, roses, chrysanthemums and the Nanyo Citizen Observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100527/MPCPages.arcLast Updated: 2010-12-06

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Alternate Designations
 1998 UL23 = 1996 FC5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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