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JPL Small-Body Database Browser
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(2009 UR5)
Classification: Aten [NEO]          SPK-ID: 3471975
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 2455126.5 (2009-Oct-22.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3659621253583399 0.002744  
a .7731478669370085 0.0011778 au
q .490205030336474 0.0028683 au
i 6.563154814752306 0.070786 deg
node 215.4256371696016 0.007939 deg
peri 345.6491449144947 0.034323 deg
M 197.0844555197586 0.05332 deg
tp 2455238.870494844081
(2010-Feb-11.37049484)
0.2927 TDB
period 248.3088907994006
0.68
0.56741
0.001553
d
yr
n 1.449807128697741 0.0033129 deg/d
Q 1.056090703537543 0.0016088 au
  Orbit Determination Parameters
   # obs. used (total)      17  
   data-arc span      4 days  
   first obs. used      2009-10-21  
   last obs. used      2009-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .47118  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:59:28  

Additional Information
 Earth MOID = .0238121 au 
 Jupiter MOID = 3.89679 au 
 T_jup = 7.443 
[ 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 25.7   n/a MPO164412  

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