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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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04738754013041672 2.7136e-08  
a 2.73472141072961 1.0349e-08 au
q 2.605129690133151 7.3103e-08 au
i 4.241869657540789 3.4076e-06 deg
node 144.234436719112 5.2902e-05 deg
peri 336.0022946494382 7.0468e-05 deg
M 100.4466633196903 4.6283e-05 deg
tp 2458539.605975950817
(2019-Feb-25.10597595)
0.00021191 TDB
period 1651.840321759902
4.52
9.3764e-06
2.567e-08
d
yr
n .2179387409652583 1.2371e-09 deg/d
Q 2.864313131326069 1.0839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2274  
   data-arc span      15053 days (41.21 yr)  
   first obs. used      1979-03-31  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46826  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:40:01  

Additional Information
 Earth MOID = 1.62153 au 
 Jupiter MOID = 2.15714 au 
 T_jup = 3.347 
[ 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 13.2   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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