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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09206047900465161 5.7106e-08  
a 2.258331625664777 1.2065e-08 au
q 2.050428534454724 1.2766e-07 au
i 4.654360061093394 6.0803e-06 deg
node 329.1177210302521 5.6493e-05 deg
peri 171.633865133164 6.3261e-05 deg
M 331.34490863745 2.8958e-05 deg
tp 2457499.168675461286
(2016-Apr-20.66867546)
0.00010001 JED
period 1239.595530045526
3.39
9.9337e-06
2.72e-08
d
yr
n .2904173105454634 2.3273e-09 deg/d
Q 2.466234716874829 1.3176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1101  
   data-arc span      14455 days (39.58 yr)  
   first obs. used      1976-05-21  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51735  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:04:41  

Additional Information
 Earth MOID = 1.06343 au 
 Jupiter MOID = 2.54544 au 
 T_jup = 3.612 
[ 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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