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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 ]

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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.


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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 
[ 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 17.3   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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