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JPL Small-Body Database Browser
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5291 Yuuko (1990 YT)
Classification: Main-belt Asteroid          SPK-ID: 2005291
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .156736044125691 3.9096e-08  
a 2.420553220271436 8.1698e-09 au
q 2.041165283930388 9.3451e-08 au
i 2.049386210454867 4.1013e-06 deg
node 209.4458313676519 9.329e-05 deg
peri 350.7491437078674 9.3825e-05 deg
M 107.1932340242556 1.0258e-05 deg
tp 2458190.923289498697
(2018-Mar-13.42328950)
3.8844e-05 TDB
period 1375.53099430795
3.77
6.964e-06
1.907e-08
d
yr
n .2617171125112462 1.325e-09 deg/d
Q 2.799941156612483 9.4504e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2299  
   data-arc span      21423 days (58.65 yr)  
   first obs. used      1961-01-22  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50467  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 00:49:46  

Additional Information
 Earth MOID = 1.03887 au 
 Jupiter MOID = 2.15997 au 
 T_jup = 3.496 
[ 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 13.4   n/a MPO347566  
diameter diameter 5.321 km 0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.359   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5291 Yuuko (1990 YT)          Discovered 1990-Dec-20 by Matsuyama and Watanabe at Kushiro
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1990 YT = 1961 BB = 1969 JC = 1982 XM1 = 1984 FE1 = 1989 SB10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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