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5913 (1990 BU)
Classification: Main-belt Asteroid          SPK-ID: 2005913
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904445425941176 4.5954e-08  
a 2.599955222359135 1.2583e-08 au
q 2.104807939271762 1.2267e-07 au
i 12.11263801252485 5.0445e-06 deg
node 323.9867092621863 1.6828e-05 deg
peri 30.27486532811057 1.9404e-05 deg
M 209.6758651234229 9.8777e-06 deg
tp 2459639.901192429605
(2022-Mar-01.40119243)
4.4463e-05 TDB
period 1531.253976373452
4.19
1.1116e-05
3.043e-08
d
yr
n .2351014303013315 1.7067e-09 deg/d
Q 3.095102505446508 1.4979e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2348  
   data-arc span      19092 days (52.27 yr)  
   first obs. used      1967-10-27  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42183  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:50:03  

Additional Information
 Earth MOID = 1.10733 au 
 Jupiter MOID = 2.35859 au 
 T_jup = 3.358 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.3   n/a MPO502210  
diameter diameter 10.924 km 3.971 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 52. h n/a LCDB (Rev. 2019-August); 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]
geometric albedo albedo 0.214   0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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