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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456947.5 (2014-Oct-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1808357262205254 6.3082e-08  
q 2.265601758585525 1.6678e-07 au
tp 2457694.358499987462
(2016-Nov-01.85849999)
0.00010557 TDB
node 186.1550126152983 2.6767e-05 deg
peri 271.6489052015848 3.6858e-05 deg
i 14.01444906249427 7.9502e-06 deg
  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
 Jupiter MOID = 2.08761 au 
 T_jup = 3.273 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.979372196164663E-15 -1.034296627026839E-14 1.354603735544707E-12 -3.109863271919858E-14 3.793205448612924E-13 -2.258413224314508E-14
q -1.034296627026839E-14 2.781499186437078E-14 -2.528888468532732E-12 7.196106849959914E-14 -8.686397485842701E-13 5.938291192346964E-14
tp 1.354603735544707E-12 -2.528888468532732E-12 1.114435747437394E-8 -6.382289116588506E-11 2.675122049690209E-9 -1.360898811264741E-11
node -3.109863271919858E-14 7.196106849959914E-14 -6.382289116588506E-11 7.164939710642898E-10 -7.091110142715797E-10 2.424315729486047E-11
peri 3.793205448612924E-13 -8.686397485842701E-13 2.675122049690209E-9 -7.091110142715797E-10 1.358475995341241E-9 -2.690124832918887E-11
i -2.258413224314508E-14 5.938291192346964E-14 -1.360898811264741E-11 2.424315729486047E-11 -2.690124832918887E-11 6.320624681583658E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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