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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 
[ 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 16.74   n/a MPCxxxxx  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2192-Jan-27 01:09 00:36 Iris 0.0473094332527652 0.0472238270685218 0.0473952432046804 4.98061701874913 4.9806169943518 2521697.547927542 36.3311225852697 6497.18928746025 70.1935178099977 -48.8889388833366 75942.2207093282 T 17 CATAB v2.0f-lin.ifort 2021-Apr-14 05:54:51 2021-Apr-14 05:54
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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