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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1459498714863882 3.8641e-08  
a 2.445956126588547 7.9312e-09 au
q 2.088969144251605 9.4708e-08 au
i 3.763195689819015 4.6594e-06 deg
node 59.7037511639996 7.0609e-05 deg
peri 14.0468519983774 7.3512e-05 deg
M 217.5931906653298 1.946e-05 deg
tp 2459553.212996011354
(2021-Dec-04.71299601)
7.6154e-05 TDB
period 1397.241322193184
3.83
6.796e-06
1.861e-08
d
yr
n .2576505534741306 1.2532e-09 deg/d
Q 2.802943108925489 9.0887e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1420  
   data-arc span      9009 days (24.67 yr)  
   first obs. used      1994-10-09  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54578  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:09:21  

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

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