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469129 (2015 ET17)
Classification: Main-belt Asteroid          SPK-ID: 2469129
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2376611506937555 1.0261e-07  
a 2.277764785278197 2.264e-08 au
q 1.736428585399266 2.37e-07 au
i 24.07126539547609 1.3989e-05 deg
node 140.9862779669181 9.059e-06 deg
peri 232.2842874601169 2.7466e-05 deg
M 308.7651388816614 2.2715e-05 deg
tp 2459179.200102242368
(2020-Nov-25.70010224)
7.8537e-05 TDB
period 1255.630158900267
3.44
1.872e-05
5.125e-08
d
yr
n .2867086278935057 4.2746e-09 deg/d
Q 2.819100985157129 2.802e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      6196 days (16.96 yr)  
   first obs. used      2003-09-27  
   last obs. used      2020-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51536  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:22:28  

Additional Information
 Earth MOID = .801162 au 
 Jupiter MOID = 2.7636 au 
 T_jup = 3.458 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458369.5 (2018-Sep-08.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2382389052868568 1.0231e-07  
q 1.734259206787236 2.3627e-07 au
tp 2457924.622606759590
(2017-Jun-20.12260676)
8.478e-05 TDB
node 141.019466487573 9.0628e-06 deg
peri 232.3850132870861 2.7421e-05 deg
i 24.06773461651491 1.3987e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      6196 days (16.96 yr)  
   first obs. used      2003-09-27  
   last obs. used      2020-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51536  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:22:28  

Additional Information
 Jupiter MOID = 2.7636 au 
 T_jup = 3.458 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.046696769954014E-14 -2.410913870278219E-14 -5.810630809820734E-12 -6.773166985782699E-15 -1.607915627356827E-12 -2.26001665484848E-13
q -2.410913870278219E-14 5.582337684487175E-14 1.257408283423281E-11 1.167621062456324E-14 3.476394172212108E-12 5.137675975136157E-13
tp -5.810630809820734E-12 1.257408283423281E-11 7.187691730997132E-9 2.282807761848439E-11 2.17605184548202E-9 1.828323584136414E-10
node -6.773166985782699E-15 1.167621062456324E-14 2.282807761848439E-11 8.213491208687211E-11 -6.708221293165778E-11 3.280830577608305E-11
peri -1.607915627356827E-12 3.476394172212108E-12 2.17605184548202E-9 -6.708221293165778E-11 7.518864398351045E-10 2.511268716956059E-11
i -2.26001665484848E-13 5.137675975136157E-13 1.828323584136414E-10 3.280830577608305E-11 2.511268716956059E-11 1.95645359365813E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO340428  

469129 (2015 ET17)          Discovered 2008-Jan-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-06-21

Alternate Designations
 2015 ET17 = 2008 DZ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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