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(2011 UL169)
Classification: Apollo [NEO]          SPK-ID: 3583810
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3776144207670865 0.000216  
a 1.460712078434187 0.00043477 au
q .9091261330287747 4.4956e-05 au
i 6.811998561201742 0.0031318 deg
node 212.3260253754372 0.00043509 deg
peri 132.8725991726889 0.00234 deg
M 334.2474331451422 0.82199 deg
tp 2459046.627867759696
(2020-Jul-16.12786776)
1.4929 TDB
period 644.8301828350833
1.77
0.28789
0.0007882
d
yr
n .5582865219137404 0.00024925 deg/d
Q 2.0122980238396 0.00059894 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      4 days  
   first obs. used      2011-10-27  
   last obs. used      2011-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .46401  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:52:11  

Additional Information
 Earth MOID = .00129589 au 
 Jupiter MOID = 3.428 au 
 T_jup = 4.536 
[ 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 28.3   n/a MPO210279  

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