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389396 (2009 XZ7)
Classification: Main-belt Asteroid          SPK-ID: 2389396
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1286145507803469 5.9946e-08  
a 2.595333387341898 3.5939e-08 au
q 2.261535749603683 1.6342e-07 au
i 23.02883260868789 9.7118e-06 deg
node 96.11609337303365 2.7169e-05 deg
peri 28.04171945473845 6.2586e-05 deg
M 149.4577011498835 5.8844e-05 deg
tp 2458366.478544764437
(2018-Sep-04.97854476)
0.00024416 TDB
period 1527.172719296041
4.18
3.1722e-05
8.685e-08
d
yr
n .2357297216296164 4.8965e-09 deg/d
Q 2.929131025080112 4.0562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      4960 days (13.58 yr)  
   first obs. used      2005-11-26  
   last obs. used      2019-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65681  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:05:55  

Additional Information
 Earth MOID = 1.29377 au 
 Jupiter MOID = 2.27027 au 
 T_jup = 3.294 
[ 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 16.7   n/a E2014D58  

389396 (2009 XZ7)          Discovered 2009-Dec-15 by Mayhill at Mayhill
Reference: Last Updated: 2014-03-21

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