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16439 Yamehoshinokawa (1989 BZ)
Classification: Main-belt Asteroid          SPK-ID: 2016439
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 .09798144507770051 7.801e-08  
a 2.647914817617724 2.8026e-08 AU
q 2.388468297344883 1.9945e-07 AU
i 12.2186611382282 8.2837e-06 deg
node 330.0930289659696 3.4482e-05 deg
peri 231.7621551648323 5.6072e-05 deg
M 299.3209384839965 5.0568e-05 deg
tp 2457265.771624012519
(2015-Aug-31.27162401)
0.00022337 JED
period 1573.817759513641
4.31
2.4986e-05
6.841e-08
d
yr
n .2287431297707882 3.6315e-09 deg/d
Q 2.907361337890564 3.0772e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1009  
   data-arc span      9666 days (26.46 yr)  
   first obs. used      1987-09-25  
   last obs. used      2014-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48171  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 21:34:10  

Additional Information
 Earth MOID = 1.40995 AU 
 T_jup = 3.353 
[ 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 12.6 mag n/a MPO279688  

16439 Yamehoshinokawa           Discovered 1989 Jan. 30 by T. Fujii and K. Watanabe at Kitami.
Yamehoshinokawa is a river in the southern part of Fukuoka prefecture. It passes from east to west through the center of Hoshino ("star field") village, in Yame district, renowned for its beautiful starry sky.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070601/MPCPages.arcLast Updated: 2007-06-06

Alternate Designations
 1989 BZ = 1987 SU16 = 1998 FJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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