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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .189006433355389 5.9974e-08  
a 2.602553459236148 1.3658e-08 au
q 2.110654112289194 1.5782e-07 au
i 12.11295123245842 6.3416e-06 deg
node 324.0282944811929 2.2941e-05 deg
peri 30.15364399601835 2.5897e-05 deg
M 193.79516550549 1.1354e-05 deg
tp 2458108.509470620765
(2017-Dec-21.00947062)
4.9436e-05 JED
period 1533.549912664511
4.20
1.2072e-05
3.305e-08
d
yr
n .2347494509484256 1.848e-09 deg/d
Q 3.094452806183102 1.624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1392  
   data-arc span      17372 days (47.56 yr)  
   first obs. used      1967-10-27  
   last obs. used      2015-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47897  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:53:02  

Additional Information
 Earth MOID = 1.11112 au 
 Jupiter MOID = 2.34716 au 
 T_jup = 3.357 
[ 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. 2015-December); 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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