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447960 (2008 BU40)
Classification: Main-belt Asteroid          SPK-ID: 2447960
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 .1487921962695218 1.0097e-07  
a 2.611980665938192 2.5186e-08 au
q 2.223338326039721 2.7433e-07 au
i 5.790973839936742 7.352e-06 deg
node 150.5901179033547 9.0543e-05 deg
peri 263.7032517323948 9.4846e-05 deg
M 28.54889740082723 2.8127e-05 deg
tp 2458878.224287300506
(2020-Jan-29.72428730)
0.00011983 TDB
period 1541.889900467488
4.22
2.2302e-05
6.106e-08
d
yr
n .233479705581346 3.377e-09 deg/d
Q 3.000623005836664 2.8934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      6279 days (17.19 yr)  
   first obs. used      2002-09-05  
   last obs. used      2019-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57306  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:21:35  

Additional Information
 Earth MOID = 1.24355 au 
 Jupiter MOID = 2.36553 au 
 T_jup = 3.386 
[ 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 17.1   n/a MPO503583  

447960 (2008 BU40)          Discovered 2008-Jan-29 by OAM at La Sagra
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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