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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1316345714622227 4.6659e-08  
a 2.394133319502249 2.0846e-08 au
q 2.078982605966142 1.1159e-07 au
i 3.833192391734263 5.3482e-06 deg
node 33.21063452888885 9.9544e-05 deg
peri 1.144056207019978 0.00010277 deg
M 101.0676905238196 2.7617e-05 deg
tp 2458220.633702146890
(2018-Apr-12.13370215)
0.00010208 TDB
period 1353.072050210645
3.70
1.7672e-05
4.838e-08
d
yr
n .2660612196844622 3.475e-09 deg/d
Q 2.709284033038356 2.359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      4549 days (12.45 yr)  
   first obs. used      2006-08-23  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51688  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:11:57  

Additional Information
 Earth MOID = 1.08472 au 
 Jupiter MOID = 2.70409 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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