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5237 Yoshikawa (1990 UF3)
Classification: Main-belt Asteroid          SPK-ID: 2005237
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0957411447666161 4.0718e-08  
a 2.240050041144247 6.8302e-09 au
q 2.025585085870591 9.3441e-08 au
i 5.137765339190913 4.1897e-06 deg
node 38.13058914085907 3.3415e-05 deg
peri 145.30651910 3.774e-05 deg
M 234.1641850922731 1.9686e-05 deg
tp 2459628.542382263304
(2022-Feb-18.04238226)
6.7913e-05 TDB
period 1224.57392378938
3.35
5.6008e-06
1.533e-08
d
yr
n .2939798022858423 1.3446e-09 deg/d
Q 2.454514996417903 7.4841e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2409  
   data-arc span      32881 days (90.02 yr)  
   first obs. used      1931-01-10  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:23:21  

Additional Information
 Earth MOID = 1.02869 au 
 Jupiter MOID = 2.50187 au 
 T_jup = 3.624 
[ 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 13.39   n/a E2021B10  
diameter diameter 13.8 km n/a DASTCOM value unverified
rotation period rot_per 3.470 h n/a LCDB (Rev. 2020-October); 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. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.0587   0.017 EAR-A-5-DDR-ALBEDOS-V1.0:IMPS IMPS quality code 2: from the PDS IMPS singleton file

5237 Yoshikawa (1990 UF3)          Discovered 1990-Oct-26 by Urata, T. at Oohira
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1990 UF3 = 1931 AL = 1985 FY1 = 1988 CV7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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