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JPL Small-Body Database Browser
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351569 (2005 UU221)
Classification: Main-belt Asteroid          SPK-ID: 2351569
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04285637553227185 6.1431e-08  
a 3.165325377999469 6.1363e-08 au
q 3.029671004918093 2.1796e-07 au
i 8.211556506419347 7.0977e-06 deg
node 237.3363853550599 4.3115e-05 deg
peri 31.76355427581841 9.3533e-05 deg
M 268.143247483527 7.9005e-05 deg
tp 2459125.349216347499
(2020-Oct-02.84921635)
0.00044754 TDB
period 2056.960568589833
5.63
5.9814e-05
1.638e-07
d
yr
n .1750155085601865 5.0893e-09 deg/d
Q 3.300979751080845 6.3993e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      5337 days (14.61 yr)  
   first obs. used      2004-08-25  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48051  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:30:44  

Additional Information
 Earth MOID = 2.0172 au 
 Jupiter MOID = 1.73916 au 
 T_jup = 3.186 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO434219  

351569 (2005 UU221)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

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Alternate Designations
 2005 UU221 = 2011 UQ160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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