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181123 (2005 QX111)
Classification: Main-belt Asteroid          SPK-ID: 2181123
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1069300384165426 5.6518e-08  
a 2.780376783614525 1.3826e-08 au
q 2.483070987330161 1.5431e-07 au
i 2.677546738471141 4.7897e-06 deg
node 307.6910537862511 9.7496e-05 deg
peri 57.14890640367288 0.00010029 deg
M 96.66235682511721 2.0578e-05 deg
tp 2458745.816927347584
(2019-Sep-19.31692735)
9.6949e-05 TDB
period 1693.377975989272
4.64
1.2631e-05
3.458e-08
d
yr
n .2125928204479498 1.5858e-09 deg/d
Q 3.07768257989889 1.5305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      369  
   data-arc span      7510 days (20.56 yr)  
   first obs. used      2000-07-29  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55066  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:18  

Additional Information
 Earth MOID = 1.48055 au 
 Jupiter MOID = 2.37824 au 
 T_jup = 3.323 
[ 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 16.40   n/a MPCxxxxx  

181123 (2005 QX111)          Discovered 2005-Aug-27 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 QX111 = 2001 XS246 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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