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103541 (2000 BU18)
Classification: Main-belt Asteroid          SPK-ID: 2103541
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2087796122713508 6.7347e-08  
a 3.020053884812528 2.0467e-08 au
q 2.389528205702782 2.1303e-07 au
i 1.849898202345292 5.2778e-06 deg
node 356.7862434033137 0.00012919 deg
peri 154.7650893873955 0.00013009 deg
M 330.2084603843841 1.05e-05 deg
tp 2459359.139346386521
(2021-May-24.63934639)
5.5839e-05 TDB
period 1916.992724646298
5.25
1.9488e-05
5.336e-08
d
yr
n .1877941399419881 1.9091e-09 deg/d
Q 3.650579563922274 2.4741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      668  
   data-arc span      7714 days (21.12 yr)  
   first obs. used      1999-12-07  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53462  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:34:58  

Additional Information
 Earth MOID = 1.40032 au 
 Jupiter MOID = 1.35073 au 
 T_jup = 3.212 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO493583  
diameter diameter 5.243 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.11 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.044   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103541 (2000 BU18)          Discovered 2000-Jan-30 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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