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324996 (2008 BW15)
Classification: Main-belt Asteroid          SPK-ID: 2324996
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2047556327971284 5.516e-08  
a 2.457409372274524 2.7868e-08 au
q 1.95424096121286 1.326e-07 au
i 6.876292567411659 7.1023e-06 deg
node 304.9828399083245 7.7545e-05 deg
peri 171.6239464053085 8.8023e-05 deg
M 80.71893824954508 4.5885e-05 deg
tp 2458685.008522302487
(2019-Jul-20.50852230)
0.00017488 TDB
period 1407.066723548543
3.85
2.3935e-05
6.553e-08
d
yr
n .2558514063157576 4.3522e-09 deg/d
Q 2.960577783336188 3.3575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      5973 days (16.35 yr)  
   first obs. used      2003-12-17  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5843  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 21:02:24  

Additional Information
 Earth MOID = .970758 au 
 Jupiter MOID = 2.14155 au 
 T_jup = 3.453 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457387.5 (2015-Dec-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2051590372134222 5.5548e-08  
q 1.953892164691233 1.3364e-07 au
tp 2457278.843875896051
(2015-Sep-13.34387590)
0.00015527 TDB
node 305.0224962858126 7.7507e-05 deg
peri 171.8665121657587 8.791e-05 deg
i 6.877573146380394 7.1058e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      5973 days (16.35 yr)  
   first obs. used      2003-12-17  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5843  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 21:02:24  

Additional Information
 Jupiter MOID = 2.14155 au 
 T_jup = 3.453 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.085529350661996E-15 -7.329038976048258E-15 3.669788500595699E-12 1.184859632544604E-13 8.610434919434997E-13 -2.717412051336631E-15
q -7.329038976048258E-15 1.78593971336135E-14 -6.448732825276671E-12 -2.362343373202146E-13 -1.423630073964192E-12 6.2481822452498E-15
tp 3.669788500595699E-12 -6.448732825276671E-12 2.41075245011119E-8 5.089533132146377E-10 6.566029705704263E-9 -1.145347340663695E-11
node 1.184859632544604E-13 -2.362343373202146E-13 5.089533132146377E-10 6.007388682854998E-9 -5.816043357375289E-9 3.121710964127798E-10
peri 8.610434919434997E-13 -1.423630073964192E-12 6.566029705704263E-9 -5.816043357375289E-9 7.728143021992319E-9 -3.132468040122206E-10
i -2.717412051336631E-15 6.2481822452498E-15 -1.145347340663695E-11 3.121710964127798E-10 -3.132468040122206E-10 5.049188560134805E-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 17.6   n/a MPO471377  

324996 (2008 BW15)          Discovered 2008-Jan-28 by LUSS at Lulin
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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