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26281 (1998 ST43)
Classification: Main-belt Asteroid          SPK-ID: 2026281
[ 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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2289632213014869 3.1566e-08  
a 2.394476027385842 6.9785e-09 au
q 1.846229082826392 7.8405e-08 au
i 2.881089604939795 3.387e-06 deg
node 139.7055445451283 6.0571e-05 deg
peri 233.9400640024219 6.1013e-05 deg
M 357.7214093686923 7.0494e-06 deg
tp 2459209.065998097471
(2020-Dec-25.56599810)		 2.6512e-05 TDB
period 1353.362588575117
3.71		 5.9164e-06
1.62e-08		 d
yr
n .2660041019598634 1.1629e-09 deg/d
Q 2.942722971945291 8.5764e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1844  
   data-arc span      25603 days (70.10 yr)  
   first obs. used      1950-12-09  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4867  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:18:35  

Additional Information
 Earth MOID = .847086 au 
 Jupiter MOID = 2.52243 au 
 T_jup = 3.492 
[ 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 14.85   n/a E2021B10  

26281 (1998 ST43)          Discovered 1998-Sep-25 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 ST43 = 2000 DX69 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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