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JPL Small-Body Database Browser
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379268 (2009 UE81)
Classification: Main-belt Asteroid          SPK-ID: 2379268
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3083358824898924 6.09e-07  
a 2.583236956858179 1.6818e-07 au
q 1.786732310084808 1.6844e-06 au
i 4.56559215250959 1.4414e-05 deg
node 15.7344403099234 9.8267e-05 deg
peri 52.17598045907187 0.00013336 deg
M 183.1631341723944 0.00015434 deg
tp 2459745.429379783574
(2022-Jun-14.92937978)
0.00072213 TDB
period 1516.508311018835
4.15
0.0001481
4.055e-07
d
yr
n .2373874230587904 2.3182e-08 deg/d
Q 3.379741603631549 2.2003e-07 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      5732 days (15.69 yr)  
   first obs. used      2002-01-11  
   last obs. used      2017-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .65804  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:35:42  

Additional Information
 Earth MOID = .804935 au 
 Jupiter MOID = 1.97344 au 
 T_jup = 3.351 
[ 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 17.8   n/a MPO281810  

379268 (2009 UE81)          Discovered 2009-Oct-22 by CSS at Catalina
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2009 UE81 = 2005 YL287 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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