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305368 (2008 BB54)
Classification: Main-belt Asteroid          SPK-ID: 2305368
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1833206554091462 6.3756e-08  
a 2.762938452044878 3.8859e-08 au
q 2.256434764160879 1.6914e-07 au
i 14.00268842645648 7.9426e-06 deg
node 185.9825909219745 2.6841e-05 deg
peri 272.3722567471142 3.6433e-05 deg
M 279.2645486962191 2.4696e-05 deg
tp 2459376.698465056168
(2021-Jun-11.19846506)
0.00011967 TDB
period 1677.471856949637
4.59
3.5389e-05
9.689e-08
d
yr
n .214608667506729 4.5276e-09 deg/d
Q 3.269442139928877 4.5983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      4284 days (11.73 yr)  
   first obs. used      2006-09-17  
   last obs. used      2018-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65924  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:32:03  

Additional Information
 Earth MOID = 1.32393 au 
 Jupiter MOID = 2.08761 au 
 T_jup = 3.273 
[ 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 16.5   n/a MPO450228  

305368 (2008 BB54)          Discovered 2008-Jan-31 by LINEAR at Socorro
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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