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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04708517387854932 1.8386e-08  
a 2.735669945450017 1.001e-08 au
q 2.606860450394181 4.968e-08 au
i 4.242080378044988 3.0885e-07 deg
node 144.2264222795022 8.8239e-06 deg
peri 336.2928257778573 1.5331e-05 deg
M 143.7530344660585 1.2431e-05 deg
tp 2458540.553855703707
(2019-Feb-26.05385570)
5.5282e-05 TDB
period 1652.699804418812
4.52
9.071e-06
2.484e-08
d
yr
n .2178254024339269 1.1956e-09 deg/d
Q 2.864479440505853 1.0481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2412  
   data-arc span      15134 days (41.43 yr)  
   first obs. used      1979-03-31  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47546  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:15:03  

Additional Information
 Earth MOID = 1.62313 au 
 Jupiter MOID = 2.15536 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 13.30   n/a E2021B10  
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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