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JPL Small-Body Database Browser
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325000 (2008 BL28)
Classification: Main-belt Asteroid          SPK-ID: 2325000
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157133088416658 1.6374e-07  
a 2.364425165019151 2.6383e-08 au
q 1.992895736509625 3.8411e-07 au
i 3.027505432446667 1.1867e-05 deg
node 120.1121416952779 0.00028507 deg
peri 104.4199443459982 0.00029175 deg
M 64.46172036972008 4.9754e-05 deg
tp 2458762.714056862200
(2019-Oct-06.21405686)
0.00018377 TDB
period 1327.965481507981
3.64
2.2227e-05
6.085e-08
d
yr
n .2710913837844636 4.5374e-09 deg/d
Q 2.735954593528676 3.0529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      8083 days (22.13 yr)  
   first obs. used      1997-01-09  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 20:14:15  

Additional Information
 Earth MOID = .986372 au 
 Jupiter MOID = 2.24538 au 
 T_jup = 3.530 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455349.5 (2010-Jun-02.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1567040093293873 1.6403e-07  
q 1.993669930534259 3.8463e-07 au
tp 2454781.136456686684
(2008-Nov-10.63645669)
0.0002009 TDB
node 120.1485602278515 0.00028518 deg
peri 104.6616230670642 0.00029192 deg
i 3.02682793338488 1.1859e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      8083 days (22.13 yr)  
   first obs. used      1997-01-09  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 20:14:15  

Additional Information
 Jupiter MOID = 2.24538 au 
 T_jup = 3.530 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.690541780584049E-14 -6.29857511160009E-14 -4.651664338596886E-12 -4.240837964507974E-13 9.650225528912593E-13 -8.164888908360158E-14
q -6.29857511160009E-14 1.479386942003908E-13 8.979983506102279E-12 9.907397458462872E-13 -2.8006038518694E-12 1.901372453861943E-13
tp -4.651664338596886E-12 8.979983506102279E-12 4.036234261235579E-8 1.322943520383002E-10 1.243497594551713E-8 6.274638546183358E-11
node -4.240837964507974E-13 9.907397458462872E-13 1.322943520383002E-10 8.132908128809565E-8 -8.120615850890071E-8 1.88416476447539E-9
peri 9.650225528912593E-13 -2.8006038518694E-12 1.243497594551713E-8 -8.120615850890071E-8 8.521915462894064E-8 -1.867547199932213E-9
i -8.164888908360158E-14 1.901372453861943E-13 6.274638546183358E-11 1.88416476447539E-9 -1.867547199932213E-9 1.40626237154204E-10

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 17.9   n/a MPO273750  

325000 (2008 BL28)          Discovered 2008-Jan-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

[ show close-approach data ]
Alternate Designations
 2008 BL28 = 1997 AJ10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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