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27714 Dochu (1989 BR)
Classification: Main-belt Asteroid          SPK-ID: 2027714
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09183367240042196 6.4398e-08  
a 2.25880874748537 1.4963e-08 AU
q 2.051374044953591 1.4201e-07 AU
i 4.654225834929159 6.7803e-06 deg
node 329.119108494457 6.8064e-05 deg
peri 171.4773047522212 7.8073e-05 deg
M 157.2687332782449 3.6688e-05 deg
tp 2456258.801658082633
(2012-Nov-27.30165808)
0.00012485 JED
period 1239.988388189226
3.39
1.2321e-05
3.373e-08
d
yr
n .2903252993568056 2.8847e-09 deg/d
Q 2.466243450017149 1.6337e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      928  
   data-arc span      13925 days (38.12 yr)  
   first obs. used      1976-05-21  
   last obs. used      2014-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51438  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:57:37  

Additional Information
 Earth MOID = 1.06445 AU 
 T_jup = 3.611 
[ 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 14.3 mag n/a MPO266096  

27714 Dochu           Discovered 1989 Jan. 29 by M. Iwamoto and T. Furuta at Tokushima.
Dochu in Awa is the soil column which was formed when a steep cliff eroded due to the wind and rain. This is a globally rare natural feature, unique in Japan, and was designated as a national monument of Japan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120207/MPCPages.arcLast Updated: 2012-02-09

Alternate Designations
 1989 BR = 1991 XS4 = 1998 XJ47 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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