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308884 (2006 ST109)
Classification: Main-belt Asteroid          SPK-ID: 2308884
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1298710633024605 5.5244e-08  
a 2.775521824156566 4.2854e-08 au
q 2.415061853634168 1.5647e-07 au
i 9.349989238610057 8.1963e-06 deg
node 198.8906518122053 4.1359e-05 deg
peri 227.2455613881164 5.6208e-05 deg
M 289.8096877697552 4.5592e-05 deg
tp 2459329.798740986589
(2021-Apr-25.29874099)
0.00021859 TDB
period 1688.94457067382
4.62
3.9116e-05
1.071e-07
d
yr
n .2131508672640303 4.9366e-09 deg/d
Q 3.135981794678965 4.842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      5635 days (15.43 yr)  
   first obs. used      2002-12-11  
   last obs. used      2018-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68359  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:17:28  

Additional Information
 Earth MOID = 1.43887 au 
 Jupiter MOID = 2.23748 au 
 T_jup = 3.304 
[ 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 16.3   n/a MPO440450  

308884 (2006 ST109)          Discovered 2006-Sep-20 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2006 ST109 = 2002 XG82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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