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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1092512986859165 1.3105e-07  
a 2.38395064703768 1.7723e-08 au
q 2.123500942845683 3.1911e-07 au
i 11.77109951794579 1.0903e-05 deg
node 316.416783653075 2.5377e-05 deg
peri 204.6984310707789 4.0673e-05 deg
M 5.614408291669145 3.7604e-05 deg
tp 2458979.532540691972
(2020-May-10.03254069)
0.00014032 TDB
period 1344.448953256631
3.68
1.4993e-05
4.105e-08
d
yr
n .2677676970389835 2.9861e-09 deg/d
Q 2.644400351229678 1.966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      8012 days (21.94 yr)  
   first obs. used      1998-01-29  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4802  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 06:18:00  

Additional Information
 Earth MOID = 1.13866 au 
 Jupiter MOID = 2.37551 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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