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5913 (1990 BU)
Classification: Main-belt Asteroid          SPK-ID: 2005913
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1895353742139432 5.7385e-08  
a 2.601073421604318 1.312e-08 au
q 2.108077997282602 1.5169e-07 au
i 12.10982584425062 6.0148e-06 deg
node 324.0071852078761 2.2463e-05 deg
peri 30.29327658525577 2.4811e-05 deg
M 240.6353351047295 1.0905e-05 deg
tp 2458108.543180669686
(2017-Dec-21.04318067)
4.7587e-05 JED
period 1532.241934424715
4.20
1.1593e-05
3.174e-08
d
yr
n .2349498417396879 1.7776e-09 deg/d
Q 3.094068845926034 1.5606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1490  
   data-arc span      17704 days (48.47 yr)  
   first obs. used      1967-10-27  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47239  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:53:52  

Additional Information
 Earth MOID = 1.10968 au 
 Jupiter MOID = 2.34878 au 
 T_jup = 3.358 
[ 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 12.2 mag n/a MPO309196  
rotation period rot_per 52. h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

5913 (1990 BU)          Discovered 1990-Jan-21 by Arai and Mori at Yorii
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1990 BU = 1950 QB1 = 1967 UB = 1971 SR1 = 1984 WT1 = 1988 RO13 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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