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268763 (2006 ST61)
Classification: Main-belt Asteroid          SPK-ID: 2268763
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .123522220803285 4.2486e-08  
a 2.276778620377487 1.2342e-08 au
q 1.995545868911021 9.5629e-08 au
i 5.959479464554192 4.9926e-06 deg
node 155.2893390479301 4.5475e-05 deg
peri 250.906022098709 5.0189e-05 deg
M 26.0881246998182 1.9857e-05 deg
tp 2459109.567319212162
(2020-Sep-17.06731921)
6.9207e-05 TDB
period 1254.81480406485
3.44
1.0203e-05
2.793e-08
d
yr
n .2868949257163809 2.3328e-09 deg/d
Q 2.558011371843954 1.3866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      5722 days (15.67 yr)  
   first obs. used      2005-05-20  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60213  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:25:10  

Additional Information
 Earth MOID = 1.01283 au 
 Jupiter MOID = 2.79913 au 
 T_jup = 3.591 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.30   n/a MPCxxxxx  

268763 (2006 ST61)          Discovered 2006-Sep-17 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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