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7274 Washioyama (1982 FC)
Classification: Main-belt Asteroid          SPK-ID: 2007274
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1402533754398428 2.3414e-08  
a 2.326185452334353 5.9599e-09 au
q 1.999930090745403 5.5794e-08 au
i 10.74051120046839 9.1562e-07 deg
node 25.11944475308967 3.8776e-06 deg
peri 181.3582443369455 6.0595e-06 deg
M 4.051510760148597 5.2574e-06 deg
tp 2459381.915906974519
(2021-Jun-16.41590697)
1.8893e-05 TDB
period 1295.880425844075
3.55
4.9802e-06
1.364e-08
d
yr
n .277803409034065 1.0676e-09 deg/d
Q 2.652440813923304 6.7957e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2418  
   data-arc span      26034 days (71.28 yr)  
   first obs. used      1950-03-17  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .462  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 01:00:52  

Additional Information
 Earth MOID = .996396 au 
 Jupiter MOID = 2.30463 au 
 T_jup = 3.538 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.05   n/a MPCxxxxx  
diameter diameter 8.828 km 0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.001 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7274 Washioyama           Discovered 1982 Mar. 21 by T. Seki at Geisei.
Named for a small mountain in the southern part of Kochi City.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980610/MPCPages.arcLast Updated: 2009-11-17

Alternate Designations
 1982 FC = 1989 CP1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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