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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04738752724642446 3.6278e-08  
a 2.734721414041516 1.1998e-08 au
q 2.605129728522243 1.0235e-07 au
i 4.241866864549712 4.1713e-06 deg
node 144.2344359626736 5.312e-05 deg
peri 336.0022827473323 7.3746e-05 deg
M 100.4466739478496 4.9442e-05 deg
tp 2458539.605926346835
(2019-Feb-25.10592635)
0.00022698 TDB
period 1651.840324760613
4.52
1.0871e-05
2.976e-08
d
yr
n .2179387405693536 1.4343e-09 deg/d
Q 2.864313099560788 1.2567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1954  
   data-arc span      14892 days (40.77 yr)  
   first obs. used      1979-03-31  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 01:16:16  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1944-Apr-28 23:57 00:02 Psych 0.0304433555536783 0.0304368919273377 0.0304498206933232 2.54116045947073 2.54116030307367 2431209.497763144 1.95777196809148 469.559040142566 53.1321633866515 47.1867665322019 63081.3952903331 T 28 CATAB v2.0f-lin.ifort 2020-Jan-29 01:16:45 2020-Jan-29 01:16
1974-Feb-09 02:36 < 00:01 Hebe 0.0407608232514949 0.0407559663217935 0.0407656802940471 4.97371935977727 4.97371932911295 2442087.608309951 0.829300855751911 265.243148351644 39.0122851409032 24.3898951380652 67825.5664812116 T 28 CATAB v2.0f-lin.ifort 2020-Jan-29 01:16:45 2020-Jan-29 01:16
2104-Nov-03 01:10 00:01 David 0.0166143959050604 0.0165996593300175 0.0166291336950962 4.49351813729495 4.49351793494086 2489836.548894938 1.26768061437115 767.778842992428 23.5184211448421 16.9707557226838 30973.7375297956 T 28 CATAB v2.0f-lin.ifort 2020-Jan-29 01:16:45 2020-Jan-29 01:16
2184-Apr-01 16:20 00:05 Psych 0.022039957192218 0.0220201795155451 0.0220597471648718 2.54922432928015 2.54922411393536 2518841.180655637 4.75039311984436 1280.88419519284 53.8101287837783 39.8426865767725 39217.9552645574 T 28 CATAB v2.0f-lin.ifort 2020-Jan-29 01:16:45 2020-Jan-29 01:16

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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