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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 76 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4874258419019203 2.9065e-08  
a 1.72677164217386 3.892e-09 au
q .8850985207149045 4.9182e-08 au
i 10.89472745896743 5.9311e-06 deg
node 53.36777091566233 1.6382e-05 deg
peri 143.5902439218553 1.755e-05 deg
M 175.4318423349599 3.5764e-06 deg
tp 2458796.615941092348
(2019-Nov-09.11594109)
7.1305e-06 TDB
period 828.8019966702474
2.27
2.8021e-06
7.672e-09
d
yr
n .4343618879374297 1.4685e-09 deg/d
Q 2.568444763632815 5.789e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55176  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 13:15:20  

Additional Information
 Earth MOID = .0436275 au 
 Jupiter MOID = 2.40676 au 
 T_jup = 4.001 
[ 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 18.4   n/a MPO397520  

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

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