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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1315320907664665 4.4047e-08  
a 2.394184357946605 1.9072e-08 au
q 2.079272283665518 1.0694e-07 au
i 3.833042901667419 5.0913e-06 deg
node 33.2078207137799 7.2149e-05 deg
peri 1.033771181356245 7.5315e-05 deg
M 207.6371651995788 2.5427e-05 deg
tp 2459573.179126792977
(2021-Dec-24.67912679)
9.9628e-05 TDB
period 1353.115317889202
3.70
1.6169e-05
4.427e-08
d
yr
n .2660527120198325 3.1791e-09 deg/d
Q 2.709096432227692 2.1581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      5522 days (15.12 yr)  
   first obs. used      2005-05-11  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55535  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:02:09  

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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