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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2865499881244591 4.9518e-08  
a 2.379505244884121 1.7667e-08 AU
q 1.697658045220488 1.2015e-07 AU
i 14.60914106402773 6.9094e-06 deg
node 124.0737192708758 2.0221e-05 deg
peri 234.4256881496242 2.4389e-05 deg
M 72.62220258745722 1.7653e-05 deg
tp 2456730.044796012492
(2014-Mar-13.54479601)
6.3498e-05 JED
period 1340.690174168843
3.67
1.4932e-05
4.088e-08
d
yr
n .2685184145719431 2.9906e-09 deg/d
Q 3.061352444547754 2.273e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      11106 days (30.41 yr)  
   first obs. used      1984-08-02  
   last obs. used      2014-12-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51356  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:22:01  

Additional Information
 Earth MOID = .734187 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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