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JPL Small-Body Database Browser
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(2012 BU1)
Classification: Apollo [NEO]          SPK-ID: 3595925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4424560341103431 0.00066165  
a 1.614140029414331 0.0017499 au
q .8999540335009136 9.2375e-05 au
i .4247746316817287 0.00054791 deg
node 294.5033626974421 0.0057873 deg
peri 133.775822713465 0.012144 deg
M 215.1097691400078 2.1208 deg
tp 2458901.971902892776
(2020-Feb-22.47190289)
4.9029 TDB
period 749.0490172955278
2.05
1.2181
0.003335
d
yr
n .4806094016380861 0.00078156 deg/d
Q 2.328326025327748 0.0025242 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      7 days  
   first obs. used      2012-01-18  
   last obs. used      2012-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .48978  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:51:26  

Additional Information
 Earth MOID = .000406532 au 
 Jupiter MOID = 2.9945 au 
 T_jup = 4.223 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 27.7   n/a MPO219468  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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