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JPL Small-Body Database Browser
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(2012 UL171)
Classification: Apollo [NEO]          SPK-ID: 3615464
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 2456226.5 (2012-Oct-26.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .143395844944408 0.0034495  
a 1.061607923528666 0.0021395 au
q .9093777583345944 0.0018365 au
i 3.172894931639036 0.086462 deg
node 22.29359776460952 0.13477 deg
peri 92.06178381831154 0.071729 deg
M 294.2269357096357 0.3925 deg
tp 2456299.494515228999
(2013-Jan-06.99451523)
0.22525 TDB
period 399.5256381310081
1.09
1.2078
0.003307
d
yr
n .9010685814409556 0.002724 deg/d
Q 1.213838088722737 0.0024463 au
  Orbit Determination Parameters
   # obs. used (total)      9  
   data-arc span      2 days  
   first obs. used      2012-10-25  
   last obs. used      2012-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .66092  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:48:17  

Additional Information
 Earth MOID = .0133893 au 
 Jupiter MOID = 3.83233 au 
 T_jup = 5.794 
[ 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 27.0   n/a MPO244105  

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