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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09231595242250464 5.2661e-08  
a 2.258918224651449 1.0321e-08 au
q 2.050384037298198 1.1985e-07 au
i 4.653514409226799 5.5367e-06 deg
node 329.1170299880979 5.2268e-05 deg
peri 171.5817775898599 5.8188e-05 deg
M 29.46005000846842 2.4723e-05 deg
tp 2457499.020067490045
(2016-Apr-20.52006749)
8.5058e-05 JED
period 1240.078536631205
3.40
8.4988e-06
2.327e-08
d
yr
n .2903041939407929 1.9896e-09 deg/d
Q 2.467452412004701 1.1274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1232  
   data-arc span      14576 days (39.91 yr)  
   first obs. used      1976-05-21  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52336  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:49:59  

Additional Information
 Earth MOID = 1.06209 au 
 Jupiter MOID = 2.54401 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 14.4 mag n/a MPO351018  

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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