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JPL Small-Body Database Browser
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324990 (2008 BW9)
Classification: Main-belt Asteroid          SPK-ID: 2324990
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1315320930199361 4.5324e-08  
a 2.394184358931947 1.9524e-08 au
q 2.079272279126034 1.0917e-07 au
i 3.833045285803451 5.2603e-06 deg
node 33.20773974075955 8.5795e-05 deg
peri 1.033849307029381 8.8865e-05 deg
M 207.6371672745797 2.6377e-05 deg
tp 2459573.179119347302
(2021-Dec-24.67911935)
0.00010268 TDB
period 1353.115318724527
3.70
1.6551e-05
4.531e-08
d
yr
n .266052711855589 3.2544e-09 deg/d
Q 2.70909643873786 2.2092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      5459 days (14.95 yr)  
   first obs. used      2005-05-11  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56817  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 21:02:24  

Additional Information
 Earth MOID = 1.08563 au 
 Jupiter MOID = 2.70559 au 
 T_jup = 3.515 
[ 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 17.1   n/a MPO423208  
diameter diameter 1.962 km 0.514 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

324990 (2008 BW9)          Discovered 2008-Jan-16 by Spacewatch at Kitt Peak
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

Alternate Designations
 2008 BW9 = 2006 QE52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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