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115549 (2003 UE66)
Classification: Main-belt Asteroid          SPK-ID: 2115549
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09970695086816903 4.5767e-08  
a 3.189362290876695 2.2544e-08 au
q 2.871360701639461 1.5536e-07 au
i 13.60521271197369 4.1138e-06 deg
node 121.0581396139199 2.2957e-05 deg
peri 300.1127940874568 3.4131e-05 deg
M 335.5870969422455 2.5618e-05 deg
tp 2459341.581846549764
(2021-May-07.08184655)
0.00014819 TDB
period 2080.435277924982
5.70
2.2058e-05
6.039e-08
d
yr
n .1730407111530346 1.8347e-09 deg/d
Q 3.507363880113928 2.4792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1009  
   data-arc span      8465 days (23.18 yr)  
   first obs. used      1997-12-29  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51651  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:04  

Additional Information
 Earth MOID = 1.91356 au 
 Jupiter MOID = 1.78913 au 
 T_jup = 3.146 
[ 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 14.15   n/a E2021B55  
diameter diameter 8.289 km 0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115549 (2003 UE66)          Discovered 2003-Oct-16 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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