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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .188108019656458 6.6895e-08  
a 2.601112200140473 1.4413e-08 AU
q 2.111822135267797 1.7769e-07 AU
i 12.1186835726438 6.8869e-06 deg
node 324.0494247659216 2.6679e-05 deg
peri 29.58601381545092 2.9693e-05 deg
M 53.67391172322524 1.1926e-05 deg
tp 2456572.046506948314
(2013-Oct-06.54650695)
5.0889e-05 JED
period 1532.276200078398
4.20
1.2735e-05
3.487e-08
d
yr
n .2349445876543542 1.9527e-09 deg/d
Q 3.09040226501315 1.7124e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1114  
   data-arc span      16877 days (46.21 yr)  
   first obs. used      1967-10-27  
   last obs. used      2014-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50026  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:33:02  

Additional Information
 Earth MOID = 1.11247 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 12.1 mag n/a MPO272666  
rotation period rot_per 52. h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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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