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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08586471628243458 3.861e-08  
a 3.219922596121962 2.861e-08 au
q 2.943444855954549 1.2398e-07 au
i 3.026762137844003 5.5839e-06 deg
node 170.3190416618804 8.0531e-05 deg
peri 287.1893032619548 8.7906e-05 deg
M 94.89242305172138 3.3259e-05 deg
tp 2458644.217227933870
(2019-Jun-09.71722793)
0.00019517 TDB
period 2110.408729205423
5.78
2.8127e-05
7.701e-08
d
yr
n .1705830700082165 2.2735e-09 deg/d
Q 3.496400336289375 3.1066e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55012  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:59:23  

Additional Information
 Earth MOID = 1.96196 au 
 Jupiter MOID = 1.64194 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 15.54   n/a E2021B55  

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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