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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1836137746866822 5.2813e-08  
a 2.763806862101442 2.0525e-08 au
q 2.256333851646042 1.5306e-07 au
i 14.00195858642619 7.01e-06 deg
node 185.9781066920155 1.9651e-05 deg
peri 272.3443668377474 3.0126e-05 deg
M 4.277649209086598 1.9765e-05 deg
tp 2459376.558279295275
(2021-Jun-11.05827930)
9.208e-05 TDB
period 1678.262780045503
4.59
1.8695e-05
5.118e-08
d
yr
n .2145075278319878 2.3895e-09 deg/d
Q 3.271279872556843 2.4293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      5231 days (14.32 yr)  
   first obs. used      2006-09-17  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62235  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:54:51  

Additional Information
 Earth MOID = 1.324 au 
 Jupiter MOID = 2.08591 au 
 T_jup = 3.273 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457974.5 (2017-Aug-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806224729252964 5.2444e-08  
q 2.266145534004603 1.5132e-07 au
tp 2457695.126573070406
(2016-Nov-02.62657307)
9.2189e-05 TDB
node 186.1473711413548 1.9587e-05 deg
peri 271.841233884066 3.0603e-05 deg
i 14.01669557145599 7.0198e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      5231 days (14.32 yr)  
   first obs. used      2006-09-17  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62235  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:54:51  

Additional Information
 Jupiter MOID = 2.08591 au 
 T_jup = 3.273 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.750356829377868E-15 -7.892933298395434E-15 -1.228713719350083E-13 -6.393079272411993E-15 1.489722174720776E-13 -1.470759436343392E-14
q -7.892933298395434E-15 2.289755566287796E-14 4.503587443143854E-13 1.642959305988394E-14 -3.899303329052986E-13 4.448048576516986E-14
tp -1.228713719350083E-13 4.503587443143854E-13 8.498830448557298E-9 -4.945292237301327E-11 2.164300144970519E-9 8.585003768469038E-12
node -6.393079272411993E-15 1.642959305988394E-14 -4.945292237301327E-11 3.836665005172156E-10 -3.845326167710634E-10 5.674243449167135E-11
peri 1.489722174720776E-13 -3.899303329052986E-13 2.164300144970519E-9 -3.845326167710634E-10 9.365470389479829E-10 -5.389568882338355E-11
i -1.470759436343392E-14 4.448048576516986E-14 8.585003768469038E-12 5.674243449167135E-11 -5.389568882338355E-11 4.927711207841925E-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 16.74   n/a MPCxxxxx  

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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