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JPL Small-Body Database Browser
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172564 (2003 UU161)
Classification: Main-belt Asteroid          SPK-ID: 2172564
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2039975571449518 8.7795e-08  
a 2.577930067391465 2.3196e-08 au
q 2.052038631153085 2.3922e-07 au
i 5.358682819060009 6.6709e-06 deg
node 175.599097842221 6.3026e-05 deg
peri 176.8987606227933 6.5586e-05 deg
M 27.99797772870258 2.3009e-05 deg
tp 2458882.921128480866
(2020-Feb-03.42112848)
9.5384e-05 TDB
period 1511.837539019635
4.14
2.0405e-05
5.587e-08
d
yr
n .2381208236391891 3.2139e-09 deg/d
Q 3.103821503629845 2.7928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      7235 days (19.81 yr)  
   first obs. used      1998-06-23  
   last obs. used      2018-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60994  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:57:21  

Additional Information
 Earth MOID = 1.04675 au 
 Jupiter MOID = 2.33779 au 
 T_jup = 3.391 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO439990  

172564 (2003 UU161)          Discovered 2003-Oct-21 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

Alternate Designations
 2003 UU161 = 1998 MF49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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