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JPL Small-Body Database Browser
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305651 (2009 BL55)
Classification: Main-belt Asteroid          SPK-ID: 2305651
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 .1094734193768038 1.3266e-07  
a 2.384187178586649 3.988e-08 au
q 2.123182055712434 3.2696e-07 au
i 11.76987169255955 1.417e-05 deg
node 316.4216686892705 3.1977e-05 deg
peri 204.7231955613628 6.0714e-05 deg
M 258.5086966614619 6.8585e-05 deg
tp 2458979.583845918400
(2020-May-10.08384592)
0.00026445 TDB
period 1344.649049144726
3.68
3.3737e-05
9.237e-08
d
yr
n .2677278507942134 6.7173e-09 deg/d
Q 2.645192301460864 4.4245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      7567 days (20.72 yr)  
   first obs. used      1998-01-29  
   last obs. used      2018-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50623  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:37:28  

Additional Information
 Earth MOID = 1.13882 au 
 Jupiter MOID = 2.37627 au 
 T_jup = 3.500 
[ 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 16.8   n/a MPO260601  

305651 (2009 BL55)          Discovered 2009-Jan-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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