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(2011 BH40)
Classification: Apollo [NEO]          SPK-ID: 3555913
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

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Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet has stopped working because of a recent Java upgrade, here is a possible workaround.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2455591.5 (2011-Jan-30.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8793641987710578 0.58568  
a 4.197517396299261 18.836 AU
q .5063708742749848 0.18609 AU
i 1.804648977934051 4.8088 deg
node 91.66624033275797 124.24 deg
peri 137.1460427995054 122.05 deg
M 354.4441822606187 39.717 deg
tp 2455639.976658170736
(2011-Mar-19.47665817)
20.253 JED
period 3141.139209402564
8.60
21144
57.89
d
yr
n .1146081010744096 0.77145 deg/d
Q 7.888663918323537 35.4 AU
  Orbit Determination Parameters
   # obs. used (total)      12  
   first obs. used      2011-01-30  
   last obs. used      2011-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      9  
   fit RMS      .30001  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 14:10:39  

Additional Information
 Earth MOID = .0219282 AU 
 T_jup = 2.095 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.9 mag n/a MPO192279  
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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