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

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2881668502501709 3.604e-08  
a 2.378179820107447 8.6795e-09 au
q 1.692867232018566 8.6197e-08 au
i 14.59363867123064 4.4441e-06 deg
node 123.9784858912444 1.4168e-05 deg
peri 234.7909587997889 1.5885e-05 deg
M 141.9241422932163 9.2775e-06 deg
tp 2458072.396265280678
(2017-Nov-14.89626528)
3.3102e-05 TDB
period 1339.570149426529
3.67
7.3334e-06
2.008e-08
d
yr
n .2687429248510174 1.4712e-09 deg/d
Q 3.063492408196328 1.1181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1531  
   data-arc span      12697 days (34.76 yr)  
   first obs. used      1984-08-02  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48885  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:12:46  

Additional Information
 Earth MOID = .728845 au 
 Jupiter MOID = 2.46663 au 
 T_jup = 3.441 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO435833  
diameter diameter 5.012 km 0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.132   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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