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10837 Yuyakekoyake (1994 EJ1)
Classification: Main-belt Asteroid          SPK-ID: 2010837
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06917006356896262 6.2114e-08  
a 2.662804518543681 2.8348e-08 AU
q 2.478618160724294 1.7025e-07 AU
i 21.8444312550231 8.1652e-06 deg
node 179.5852128934213 1.7537e-05 deg
peri 264.6206992881965 6.4947e-05 deg
M 10.01550333569373 6.5732e-05 deg
tp 2456956.345229287809
(2014-Oct-25.84522929)
0.00028958 JED
period 1587.111193876695
4.35
2.5344e-05
6.939e-08
d
yr
n .2268272074375962 3.6221e-09 deg/d
Q 2.846990876363069 3.0309e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      923  
   data-arc span      9569 days (26.20 yr)  
   first obs. used      1987-09-17  
   last obs. used      2013-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50876  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:55:51  

Additional Information
 Earth MOID = 1.57959 AU 
 T_jup = 3.279 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.3 mag n/a MPO266016  

10837 Yuyakekoyake           Discovered 1994 Mar. 6 by M. Hirasawa and S. Suzuki at Nyukasa.
Yuyakekoyake is one of the most popular nursery rhymes in Japan. The song described the twilight scenery of the suburbs of Hachioji City. This was written by Uko Nakamura, who was born and grew up there. The name was suggested by the local citizens.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081113/MPCPages.arcLast Updated: 2008-11-17

Alternate Designations
 1994 EJ1 = 1987 SO17 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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