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160917 (2001 XA82)
Classification: Main-belt Asteroid          SPK-ID: 2160917
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1568013749153133 3.9432e-08  
a 2.744216233589836 1.7035e-08 au
q 2.313919355098027 1.1352e-07 au
i 4.502359063494534 4.2638e-06 deg
node 113.5715280783229 6.4291e-05 deg
peri 351.9823688604325 6.7494e-05 deg
M 359.5156945040364 1.8232e-05 deg
tp 2459002.733792442448
(2020-Jun-02.23379244)
8.4094e-05 TDB
period 1660.450451178767
4.55
1.5461e-05
4.233e-08
d
yr
n .2168086375263008 2.0188e-09 deg/d
Q 3.174513112081644 1.9707e-08 au
  Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      7998 days (21.90 yr)  
   first obs. used      1998-03-04  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5936  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:27:42  

Additional Information
 Earth MOID = 1.33085 au 
 Jupiter MOID = 1.95777 au 
 T_jup = 3.326 
[ 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 15.9   n/a MPO502933  

160917 (2001 XA82)          Discovered 2001-Dec-11 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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