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JPL Small-Body Database Browser
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312288 (2008 BP21)
Classification: Main-belt Asteroid          SPK-ID: 2312288
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08487445696809039 9.0135e-08  
a 2.99306968521903 4.4796e-08 au
q 2.739034521018411 2.8384e-07 au
i 9.706387912510264 9.6167e-06 deg
node 332.9085061904986 3.2452e-05 deg
peri 8.627801896036146 5.2369e-05 deg
M 230.6804345601727 4.297e-05 deg
tp 2459279.915428918569
(2021-Mar-06.41542892)
0.00023409 TDB
period 1891.357688829329
5.18
4.2461e-05
1.163e-07
d
yr
n .1903394593874122 4.2731e-09 deg/d
Q 3.247104849419648 4.8598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      5001 days (13.69 yr)  
   first obs. used      2005-07-30  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54846  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:14:40  

Additional Information
 Earth MOID = 1.72979 au 
 Jupiter MOID = 2.11864 au 
 T_jup = 3.228 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO437378  

312288 (2008 BP21)          Discovered 2008-Jan-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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