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312284 (2008 BX15)
Classification: Main-belt Asteroid          SPK-ID: 2312284
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 .1763110609568454 8.7066e-08  
a 2.582364970877482 2.0271e-08 au
q 2.12706546308428 2.2985e-07 au
i 12.81110283909015 5.264e-06 deg
node 129.1635158370842 3.6663e-05 deg
peri 282.4958476348366 4.5088e-05 deg
M 48.56171015745235 1.8717e-05 deg
tp 2458796.036245371713
(2019-Nov-08.53624537)
7.9623e-05 TDB
period 1515.740517117839
4.15
1.7847e-05
4.886e-08
d
yr
n .2375076709597599 2.7965e-09 deg/d
Q 3.037664478670684 2.3844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      6349 days (17.38 yr)  
   first obs. used      2002-09-09  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44211  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:45:13  

Additional Information
 Earth MOID = 1.18111 au 
 Jupiter MOID = 2.40105 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457802.5 (2017-Feb-18.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1746912394009679 8.6788e-08  
q 2.132923281369062 2.2855e-07 au
tp 2457278.140477274865
(2015-Sep-12.64047728)
8.9707e-05 TDB
node 129.2978194421963 3.6666e-05 deg
peri 282.1103229032674 4.5386e-05 deg
i 12.80680315393984 5.2541e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      6349 days (17.38 yr)  
   first obs. used      2002-09-09  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44211  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:45:13  

Additional Information
 Jupiter MOID = 2.40105 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.532235264422E-15 -1.978638214639808E-14 2.915878170106757E-13 -8.223310485046191E-14 -9.981343749325763E-14 -5.797455965521906E-14
q -1.978638214639808E-14 5.223702920599536E-14 -1.524390956285696E-12 2.329987385293635E-13 4.532195225781948E-14 1.52948234865505E-13
tp 2.915878170106757E-13 -1.524390956285696E-12 8.047373353956997E-9 -7.782134453349574E-11 2.474403188532497E-9 -1.014734933024936E-11
node -8.223310485046191E-14 2.329987385293635E-13 -7.782134453349574E-11 1.3444263699406E-9 -1.330701129107743E-9 -9.381537347774434E-11
peri -9.981343749325763E-14 4.532195225781948E-14 2.474403188532497E-9 -1.330701129107743E-9 2.05992729333692E-9 9.0725948886707E-11
i -5.797455965521906E-14 1.52948234865505E-13 -1.014734933024936E-11 -9.381537347774434E-11 9.0725948886707E-11 2.760540769458344E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO503318  

312284 (2008 BX15)          Discovered 2008-Jan-28 by LUSS at Lulin
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2008 BX15 = 2008 AB74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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