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JPL Small-Body Database Browser
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173999 (2001 XQ222)
Classification: Main-belt Asteroid          SPK-ID: 2173999
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1191588346509975 5.8206e-08  
a 3.090072440073687 3.0879e-08 au
q 2.721863009127342 1.7504e-07 au
i 2.969758051490047 5.7844e-06 deg
node 253.1805346795531 0.00013261 deg
peri 150.1165557995339 0.00013527 deg
M 84.41877710708775 2.7402e-05 deg
tp 2458135.248294607044
(2018-Jan-16.74829461)
0.00014903 TDB
period 1984.044541761098
5.43
2.974e-05
8.142e-08
d
yr
n .1814475393180705 2.7198e-09 deg/d
Q 3.458281871020032 3.4559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      6319 days (17.30 yr)  
   first obs. used      2001-10-21  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62999  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:25:06  

Additional Information
 Earth MOID = 1.73073 au 
 Jupiter MOID = 1.92427 au 
 T_jup = 3.212 
[ 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 15.7   n/a MPO422667  

173999 (2001 XQ222)          Discovered 2001-Dec-15 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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