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JPL Small-Body Database Browser
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249395 (2009 BG118)
Classification: Main-belt Asteroid          SPK-ID: 2249395
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122184716294148 7.2799e-08  
a 3.117809436396847 5.0077e-08 au
q 2.73686077495148 2.4147e-07 au
i 2.572799215924667 7.1667e-06 deg
node 76.54721061034509 0.0002146 deg
peri 47.84840565211332 0.00021889 deg
M 309.3999178320834 4.6067e-05 deg
tp 2458883.132108793401
(2020-Feb-03.63210879)
0.00026121 TDB
period 2010.818062072995
5.51
4.8445e-05
1.326e-07
d
yr
n .1790316124517344 4.3133e-09 deg/d
Q 3.498758097842213 5.6196e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      5429 days (14.86 yr)  
   first obs. used      2004-03-15  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66442  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:57:46  

Additional Information
 Earth MOID = 1.75363 au 
 Jupiter MOID = 1.56745 au 
 T_jup = 3.204 
[ 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 16.3   n/a MPO418331  
diameter diameter 3.836 km 0.756 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249395 (2009 BG118)          Discovered 2009-Jan-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 BG118 = 2004 EK29 = 2008 WK126 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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