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16594 Sorachi (1992 UL4)
Classification: Main-belt Asteroid          SPK-ID: 2016594
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03429696301797266 5.922e-08  
a 2.606264049388433 2.0592e-08 au
q 2.516877107671486 1.554e-07 au
i 10.67653120181873 6.3352e-06 deg
node 87.01794583848317 3.583e-05 deg
peri 201.3544694879225 0.00012618 deg
M 337.905861614338 0.00012665 deg
tp 2457694.819310249002
(2016-Nov-02.31931025)
0.00054112 JED
period 1536.830769181558
4.21
1.8214e-05
4.987e-08
d
yr
n .2342483032088944 2.7762e-09 deg/d
Q 2.69565099110538 2.1299e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1234  
   data-arc span      8561 days (23.44 yr)  
   first obs. used      1992-10-26  
   last obs. used      2016-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49292  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:25:29  

Additional Information
 Earth MOID = 1.50256 au 
 Jupiter MOID = 2.37182 au 
 T_jup = 3.387 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7 mag n/a MPO244333  
rotation period rot_per 4.5281 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

16594 Sorachi           Discovered 1992 Oct. 26 by K. Endate and K. Watanabe at Kitami.
Sorachi, a central district of Hokkaido, had been developed by coal-mining and its related businesses and industries. But after the termination of coal-mining it is now in a great depression.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070106/MPCPages.arcLast Updated: 2007-01-09

Alternate Designations
 1992 UL4 = 1999 DA7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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