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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1881601098098082 6.4369e-08  
a 2.602597491897816 1.3858e-08 AU
q 2.112892462031591 1.7036e-07 AU
i 12.11982698498975 6.668e-06 deg
node 324.0431726590305 2.5709e-05 deg
peri 29.7620258835986 2.8732e-05 deg
M 100.4651172690769 1.1766e-05 deg
tp 2456572.521717063062
(2013-Oct-07.02171706)
5.0175e-05 JED
period 1533.588832078347
4.20
1.2248e-05
3.353e-08
d
yr
n .234743493477402 1.8748e-09 deg/d
Q 3.09230252176404 1.6465e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1159  
   data-arc span      17234 days (47.18 yr)  
   first obs. used      1967-10-27  
   last obs. used      2015-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49921  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:14:19  

Additional Information
 Earth MOID = 1.11533 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 Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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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