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181442 (2006 SX391)
Classification: Main-belt Asteroid          SPK-ID: 2181442
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2079012312904757 5.7033e-08  
a 3.014254837484108 2.9208e-08 au
q 2.387587545347889 1.6473e-07 au
i 12.14568474401095 6.4643e-06 deg
node 161.9829135341992 2.5164e-05 deg
peri 272.6821082488312 3.0545e-05 deg
M 234.3294902977497 1.7766e-05 deg
tp 2459867.766393620750
(2022-Oct-15.26639362)
0.00010018 TDB
period 1911.473919160594
5.23
2.7783e-05
7.607e-08
d
yr
n .1883363389849916 2.7375e-09 deg/d
Q 3.640922129620327 3.5281e-08 au
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      6386 days (17.48 yr)  
   first obs. used      2001-12-07  
   last obs. used      2019-06-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56668  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:38  

Additional Information
 Earth MOID = 1.43922 au 
 Jupiter MOID = 1.83412 au 
 T_jup = 3.182 
[ 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 15.90   n/a MPCxxxxx  

181442 (2006 SX391)          Discovered 2006-Sep-19 by CSS at Catalina
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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