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249388 (2009 BB85)
Classification: Main-belt Asteroid          SPK-ID: 2249388
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1195341995060628 3.9608e-08  
a 2.288386296462416 1.6656e-08 au
q 2.014845872354137 8.9963e-08 au
i 1.933141214571443 4.4602e-06 deg
node 265.1956066140846 0.00017076 deg
peri 348.2198783604529 0.00017288 deg
M 347.3603149317335 2.4766e-05 deg
tp 2459044.894195158287
(2020-Jul-14.39419516)
8.6872e-05 TDB
period 1264.423137971036
3.46
1.3804e-05
3.779e-08
d
yr
n .2847148151509439 3.1084e-09 deg/d
Q 2.561926720570694 1.8646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      7117 days (19.49 yr)  
   first obs. used      2000-11-02  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59091  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:43:24  

Additional Information
 Earth MOID = 1.00027 au 
 Jupiter MOID = 2.47014 au 
 T_jup = 3.590 
[ 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 17.1   n/a MPO427416  
diameter diameter 1.731 km 0.266 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.093   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249388 (2009 BB85)          Discovered 2009-Jan-25 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 BB85 = 2002 AJ8 = 2007 TN258 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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