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266840 (2009 UN24)
Classification: Main-belt Asteroid          SPK-ID: 2266840
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0302165164724947 4.736e-08  
a 2.639653514822926 2.569e-08 au
q 2.5598923809106 1.4072e-07 au
i 2.794688941005942 7.3009e-06 deg
node 65.27765145012765 0.00014985 deg
peri 226.7054100818845 0.00022461 deg
M 9.076089274940122 0.00016543 deg
tp 2459357.007459535444
(2021-May-22.50745954)
0.00072002 TDB
period 1566.458210861285
4.29
2.2868e-05
6.261e-08
d
yr
n .2298178128876233 3.355e-09 deg/d
Q 2.719414648735252 2.6466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      7219 days (19.76 yr)  
   first obs. used      2000-10-06  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58122  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:17:28  

Additional Information
 Earth MOID = 1.54428 au 
 Jupiter MOID = 2.31365 au 
 T_jup = 3.393 
[ 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 16.62   n/a E2021B55  

266840 (2009 UN24)          Discovered 2009-Oct-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 UN24 = 2005 WG147 = 2005 WQ133 = 2005 XC118 = 2005 XT112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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