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181440 (2006 SN380)
Classification: Main-belt Asteroid          SPK-ID: 2181440
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2071698812984761 3.9558e-08  
a 3.1295046613805 2.9913e-08 au
q 2.481165552159274 1.2546e-07 au
i 16.73513806069565 5.2122e-06 deg
node 167.2679563387971 1.8151e-05 deg
peri 293.0877657179583 2.2921e-05 deg
M 160.3187588870542 1.5822e-05 deg
tp 2458299.979357885013
(2018-Jun-30.47935789)
8.3173e-05 TDB
period 2022.14284474213
5.54
2.8993e-05
7.938e-08
d
yr
n .1780289661217818 2.5525e-09 deg/d
Q 3.777843770601725 3.611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      8062 days (22.07 yr)  
   first obs. used      1998-05-28  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60253  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:37  

Additional Information
 Earth MOID = 1.55133 au 
 Jupiter MOID = 1.60286 au 
 T_jup = 3.116 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457601.5 (2016-Aug-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2087890665098367 3.9598e-08  
q 2.475352434552422 1.2591e-07 au
tp 2458300.709515442096
(2018-Jul-01.20951544)
8.2514e-05 TDB
node 167.3123073893327 1.8153e-05 deg
peri 293.0462949504069 2.2829e-05 deg
i 16.73803753549401 5.2139e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      8062 days (22.07 yr)  
   first obs. used      1998-05-28  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60253  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:37  

Additional Information
 Jupiter MOID = 1.60286 au 
 T_jup = 3.116 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.567992861264764E-15 -4.894724679328931E-15 -8.27806449617195E-13 -7.649973436642044E-16 -1.419375735767504E-13 1.277549188561915E-15
q -4.894724679328931E-15 1.585360207391343E-14 3.312012662043893E-12 2.515331614276562E-15 5.23318619209084E-13 -2.811843010457281E-15
tp -8.27806449617195E-13 3.312012662043893E-12 6.808495478947556E-9 -1.034231819692756E-11 1.174963275245682E-9 -2.949844117952339E-12
node -7.649973436642044E-16 2.515331614276562E-15 -1.034231819692756E-11 3.295486730039064E-10 -3.172324488818334E-10 3.074057506988093E-11
peri -1.419375735767504E-13 5.23318619209084E-13 1.174963275245682E-9 -3.172324488818334E-10 5.211830380275186E-10 -3.006494446337333E-11
i 1.277549188561915E-15 -2.811843010457281E-15 -2.949844117952339E-12 3.074057506988093E-11 -3.006494446337333E-11 2.718432910752885E-11

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 15.59   n/a E2021B55  

181440 (2006 SN380)          Discovered 2006-Sep-27 by Becker, A. C. at Apache Point
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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