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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1193853528085045 4.3146e-08  
a 2.288566660762824 2.1907e-08 au
q 2.015345322541873 9.3908e-08 au
i 1.933180773406433 5.0864e-06 deg
node 265.1950930235258 0.00020515 deg
peri 348.1255633366201 0.00020734 deg
M 233.5556019224791 3.0717e-05 deg
tp 2459044.661457855433
(2020-Jul-14.16145786)
0.0001093 TDB
period 1264.572628436455
3.46
1.8158e-05
4.971e-08
d
yr
n .2846811578114828 4.0877e-09 deg/d
Q 2.561787998983775 2.4523e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      6214 days (17.01 yr)  
   first obs. used      2000-11-02  
   last obs. used      2017-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58493  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:55:35  

Additional Information
 Earth MOID = 1.00051 au 
 Jupiter MOID = 2.47018 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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