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6554 Takatsuguyoshida (1989 UO1)
Classification: Main-belt Asteroid          SPK-ID: 2006554
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .217082427316681 3.6614e-08  
a 2.191126712967429 4.7918e-09 au
q 1.715471607558039 8.0082e-08 au
i 4.127074684305307 3.8964e-06 deg
node 194.0627392598387 4.0236e-05 deg
peri 146.0118989395771 4.0832e-05 deg
M 195.2545618889879 6.7929e-06 deg
tp 2459542.638892223996
(2021-Nov-24.13889222)
2.2823e-05 TDB
period 1184.676209784487
3.24
3.8861e-06
1.064e-08
d
yr
n .3038805008716182 9.9683e-10 deg/d
Q 2.666781818376819 5.832e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2065  
   data-arc span      11057 days (30.27 yr)  
   first obs. used      1989-10-28  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:06:14  

Additional Information
 Earth MOID = .709039 au 
 Jupiter MOID = 2.73977 au 
 T_jup = 3.638 
[ 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 14.4   n/a MPO458896  
diameter diameter 3.926 km 0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 12.584 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2018) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.218   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6554 Takatsuguyoshida           Discovered 1989 Oct. 28 by Y. Mizuno and T. Furuta at Kani.
Takatsugu Yoshida (b. 1951) is a Japanese amateur astronomer and optical engineer who specializes in making observations by television. He is a member of the professional-amateur working group of IAU Commission 22 and serves as general secretary of the Nippon Meteor Society.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20011230/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1989 UO1 = 1992 PD3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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