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344721 (2003 UO76)
Classification: Main-belt Asteroid          SPK-ID: 2344721
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1826236935165648 6.0234e-08  
a 2.652620608575024 1.6704e-08 au
q 2.168189235538895 1.6216e-07 au
i 11.37378133654593 6.6611e-06 deg
node 311.4433293078553 2.5023e-05 deg
peri 7.728357700320758 2.8627e-05 deg
M 348.1385647679552 1.2977e-05 deg
tp 2459052.493119718101
(2020-Jul-21.99311972)
5.6915e-05 TDB
period 1578.015032105818
4.32
1.4905e-05
4.081e-08
d
yr
n .2281347089067902 2.1549e-09 deg/d
Q 3.137051981611153 1.9754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      6161 days (16.87 yr)  
   first obs. used      2003-09-19  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 21:38:41  

Additional Information
 Earth MOID = 1.15544 au 
 Jupiter MOID = 2.17412 au 
 T_jup = 3.338 
[ 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 15.9   n/a MPO476592  
diameter diameter 4.128 km 0.968 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

344721 (2003 UO76)          Discovered 2003-Oct-17 by LONEOS at Anderson Mesa
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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