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173988 (2001 XT163)
Classification: Outer Main-belt Asteroid          SPK-ID: 2173988
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08588765420853547 3.8628e-08  
a 3.220755524658008 2.8624e-08 au
q 2.944132387865951 1.2409e-07 au
i 3.026388898743825 5.5833e-06 deg
node 170.3177069483573 8.0539e-05 deg
peri 287.3616289519858 8.7904e-05 deg
M 60.6122129826805 3.3241e-05 deg
tp 2458645.038386944657
(2019-Jun-10.53838694)
0.0001951 TDB
period 2111.227661931577
5.78
2.8145e-05
7.706e-08
d
yr
n .1705169018440358 2.2732e-09 deg/d
Q 3.497378661450065 3.1082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      7137 days (19.54 yr)  
   first obs. used      2000-10-02  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:34:19  

Additional Information
 Earth MOID = 1.96286 au 
 Jupiter MOID = 1.64085 au 
 T_jup = 3.181 
[ 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 15.5   n/a MPO469866  

173988 (2001 XT163)          Discovered 2001-Dec-14 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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