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259552 (2003 UR139)
Classification: Main-belt Asteroid          SPK-ID: 2259552
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1357990733770908 4.7913e-08  
a 2.248959612790691 8.344e-09 au
q 1.943552981311214 1.0658e-07 au
i 5.685237324544402 4.6182e-06 deg
node 62.4930838797074 4.0863e-05 deg
peri 317.4144066799438 4.315e-05 deg
M 332.1290365082157 1.2991e-05 deg
tp 2459095.871890850161
(2020-Sep-03.37189085)
4.4491e-05 TDB
period 1231.887111336455
3.37
6.8558e-06
1.877e-08
d
yr
n .2922345697808638 1.6264e-09 deg/d
Q 2.554366244270168 9.4772e-09 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      6269 days (17.16 yr)  
   first obs. used      2003-09-18  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48476  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:16:51  

Additional Information
 Earth MOID = .950968 au 
 Jupiter MOID = 2.90077 au 
 T_jup = 3.610 
[ 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 17.1   n/a MPO437205  

259552 (2003 UR139)          Discovered 2003-Oct-16 by LONEOS at Anderson Mesa
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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