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JPL Small-Body Database Browser
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20204 Yuudurunosato (1997 EV25)
Classification: Main-belt Asteroid          SPK-ID: 2020204
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04738753556604075 2.8979e-08  
a 2.734721411889448 1.0659e-08 au
q 2.605129703720324 7.9112e-08 au
i 4.241868370617926 3.6982e-06 deg
node 144.2344348381165 5.2945e-05 deg
peri 336.0022919604897 7.11e-05 deg
M 100.4466671707422 4.6919e-05 deg
tp 2458539.605957987268
(2019-Feb-25.10595799)
0.00021494 TDB
period 1651.840322810759
4.52
9.6573e-06
2.644e-08
d
yr
n .2179387408266114 1.2742e-09 deg/d
Q 2.864313120058573 1.1164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2124  
   data-arc span      15003 days (41.08 yr)  
   first obs. used      1979-03-31  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4792  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:09:54  

Additional Information
 Earth MOID = 1.62153 au 
 Jupiter MOID = 2.15714 au 
 T_jup = 3.347 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456785.5 (2014-May-08.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04874018783252041 2.9162e-08  
q 2.602922290593022 8.0007e-08 au
tp 2456894.962444301646
(2014-Aug-25.46244430)
0.00020697 TDB
node 144.2575640569791 5.299e-05 deg
peri 337.7677649559671 7.0099e-05 deg
i 4.238964588915128 3.6952e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2124  
   data-arc span      15003 days (41.08 yr)  
   first obs. used      1979-03-31  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4792  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:09:54  

Additional Information
 Jupiter MOID = 2.15714 au 
 T_jup = 3.347 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.504083847116759E-16 -2.314206902832297E-15 1.034377954083931E-12 -6.660770796160965E-15 2.382945153562289E-13 -2.689269845933497E-16
q -2.314206902832297E-15 6.401075394712306E-15 -2.751506629376297E-12 1.832323091930709E-14 -6.350098778168307E-13 7.610008328405043E-16
tp 1.034377954083931E-12 -2.751506629376297E-12 4.283744069948868E-8 -1.752673754896982E-11 9.518286907272471E-9 3.003350910987088E-13
node -6.660770796160965E-15 1.832323091930709E-14 -1.752673754896982E-11 2.807946242178287E-9 -2.803902509137897E-9 5.710161018781461E-11
peri 2.382945153562289E-13 -6.350098778168307E-13 9.518286907272471E-9 -2.803902509137897E-9 4.913888571315104E-9 -5.687673325874291E-11
i -2.689269845933497E-16 7.610008328405043E-16 3.003350910987088E-13 5.710161018781461E-11 -5.687673325874291E-11 1.36541784225809E-11

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 13.2   n/a MPO279725  
diameter diameter 6.610 km 0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.233   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20204 Yuudurunosato           Discovered 1997 Mar. 1 by T. Okuni at Nanyo.
Yuudurunosato is the nickname of Urushiyama, located in the western area of Nanyo city. The nickname is derived from the famous folk tale Yuuduru.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050523/MPCPages.arcLast Updated: 2005-07-21

[ show close-approach data ]
Alternate Designations
 1997 EV25 = 1979 FQ3 = 1999 TR93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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