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417211 (2005 XL80)
Classification: Apollo [NEO, PHA]          SPK-ID: 2417211
[ 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 75 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4873407791597889 2.9065e-08  
a 1.726996107323713 3.9201e-09 au
q .8853604787746526 4.9187e-08 au
i 10.89413138727518 5.9309e-06 deg
node 53.37309640341482 1.6382e-05 deg
peri 143.6017498069998 1.7549e-05 deg
M 88.53729265438274 3.3343e-06 deg
tp 2458796.627240256425
(2019-Nov-09.12724026)		 7.1331e-06 TDB
period 828.9636073941319
2.27		 2.8225e-06
7.728e-09		 d
yr
n .4342772068506953 1.4787e-09 deg/d
Q 2.568631735872774 5.8306e-09 au
   Orbit Determination Parameters
   # obs. used (total)      307  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      5430 days (14.87 yr)  
   first obs. used      2005-12-08  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55176  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-21 07:47:09  

Additional Information
 Earth MOID = .0425949 au 
 Jupiter MOID = 2.40767 au 
 T_jup = 4.001 
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Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.4   n/a MPO397520  

417211 (2005 XL80)          Discovered 2005-Dec-14 by LONEOS at Anderson Mesa
Reference: Last Updated: 2015-01-07

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