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13989 Murikabushi (1993 BG)
Classification: Main-belt Asteroid          SPK-ID: 2013989
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2865076411908996 6.2036e-08  
a 2.378900494368259 1.9953e-08 AU
q 1.697327325098944 1.5244e-07 AU
i 14.60921631063388 7.5552e-06 deg
node 124.0736378156433 2.3154e-05 deg
peri 234.3772635681173 2.6914e-05 deg
M 18.95025512963045 1.8483e-05 deg
tp 2456729.953511347760
(2014-Mar-13.45351135)
6.8157e-05 JED
period 1340.179102660007
3.67
1.6861e-05
4.616e-08
d
yr
n .2686208129088618 3.3795e-09 deg/d
Q 3.060473663637574 2.5669e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      734  
   data-arc span      10547 days (28.88 yr)  
   first obs. used      1984-08-02  
   last obs. used      2013-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55117  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:39:48  

Additional Information
 Earth MOID = .732244 AU 
 T_jup = 3.441 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO263474  

13989 Murikabushi           Discovered 1993 Jan. 16 by T. Seki at Geisei.
Murikabushi ("a swarm of stars" in the Okinawa dialect) is the name of the 1.05-m infrared-optical telescope at the Ishigakijima Astronomical Observatory. The telescope was named following a popular suggestion from Okinawa citizens.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061109/MPCPages.arcLast Updated: 2006-11-13

[ show close-approach data ]
Alternate Designations
 1993 BG = 1984 PE = 1997 AA15 = 2000 AP187 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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