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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01497432347587811 6.3626e-08  
a 3.105226560421654 3.6136e-08 au
q 3.058727893440012 2.0911e-07 au
i 11.99991900700559 4.307e-06 deg
node 122.3682400757101 2.679e-05 deg
peri 92.71282545698732 0.00015351 deg
M 319.062625263282 0.00015208 deg
tp 2459227.777190866846
(2021-Jan-13.27719087)
0.00084418 TDB
period 1998.657442942422
5.47
3.4888e-05
9.552e-08
d
yr
n .1801209113003419 3.1441e-09 deg/d
Q 3.151725227403296 3.6677e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      7124 days (19.50 yr)  
   first obs. used      2000-08-01  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54683  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:25:25  

Additional Information
 Earth MOID = 2.07113 au 
 Jupiter MOID = 1.90781 au 
 T_jup = 3.187 
[ 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-August); 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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