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8493 Yachibozu (1990 BY1)
Classification: Main-belt Asteroid          SPK-ID: 2008493
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .166829115873213 6.044e-08  
a 2.476137184760229 1.7082e-08 AU
q 2.063045407445894 1.5188e-07 AU
i 3.111732796859047 8.5556e-06 deg
node 244.4982550542679 0.00010309 deg
peri 217.1174606459458 0.0001067 deg
M 161.3036505782074 2.6432e-05 deg
tp 2456362.820911114158
(2013-Mar-11.32091111)
0.00010347 JED
period 1423.18212375237
3.90
1.4727e-05
4.032e-08
d
yr
n .2529542733791667 2.6175e-09 deg/d
Q 2.889228962074565 1.9931e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      838  
   data-arc span      10750 days (29.43 yr)  
   first obs. used      1986-01-11  
   last obs. used      2015-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55467  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:59:29  

Additional Information
 Earth MOID = 1.08075 AU 
 T_jup = 3.460 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO259401  

8493 Yachibozu           Discovered 1990 Jan. 30 by M. Matsuyama and K. Watanabe at Kushiro.
Yachibozu, or tussocks, are often seen in the Kushiro Marsh on the island of Hokkaido. The name was selected among other candidates proposed by children who attended the Fureai Space Festival, held in Kushiro city on the 2007 Japanese Space Day.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080321/MPCPages.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 1990 BY1 = 1986 AY2 = 1996 TE50 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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