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(2001 YB5)
Classification: Apollo [NEO, PHA]          SPK-ID: 3102719
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8647626791390707 0.00039261  
a 2.339917998570422 0.0030257 au
q .3164442411609317 0.0005095 au
i 5.545501368129242 0.0072844 deg
node 108.4424403755647 0.069418 deg
peri 115.2074880167568 0.074922 deg
M 8.512498766377407 3.4015 deg
tp 2457569.586089510386
12.293 JED
period 1307.37261545555
n .2753614354042127 0.0005341 deg/d
Q 4.363391755979912 0.0056422 au
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      11 days  
   first obs. used      2001-12-26  
   last obs. used      2002-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      7  
   fit RMS      .34419  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 02:32:58  

Additional Information
 Earth MOID = .00393486 au 
 Jupiter MOID = .699118 au 
 T_jup = 2.894 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 20.9 mag n/a MPO26095  
rotation period rot_per 2.5 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Robinson, L. (2011)]

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
FirstGov 2016-May-04 23:06 UT
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