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JPL Small-Body Database Browser
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233904 (2009 BA128)
Classification: Main-belt Asteroid          SPK-ID: 2233904
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01519689738611076 6.633e-08  
a 3.106431891631436 4.3401e-08 au
q 3.059223764937371 2.1237e-07 au
i 11.99834512767283 4.325e-06 deg
node 122.3669169281258 3.1022e-05 deg
peri 91.38783087602636 0.00015099 deg
M 248.3774815507923 0.00014909 deg
tp 2459220.569682044144
(2021-Jan-06.06968204)
0.00082857 TDB
period 1999.821260415902
5.48
4.1911e-05
1.147e-07
d
yr
n .1800160880003501 3.7726e-09 deg/d
Q 3.1536400183255 4.4061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      6733 days (18.43 yr)  
   first obs. used      2000-08-01  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56687  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:48:12  

Additional Information
 Earth MOID = 2.0723 au 
 Jupiter MOID = 1.90694 au 
 T_jup = 3.186 
[ 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 14.9   n/a MPO422906  
diameter diameter 6.023 km 0.333 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.83 h n/a LCDB (Rev. 2019-January); 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.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.059   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233904 (2009 BA128)          Discovered 2009-Jan-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2009 BA128 = 2004 ED112 = 2006 SX136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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