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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457322.5 (2015-Oct-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0868646476822667 3.869e-08  
q 2.939550897796471 1.2435e-07 au
tp 2456537.727730339122
(2013-Sep-02.22773034)
0.00019572 TDB
node 170.3426713618513 8.0561e-05 deg
peri 287.9751888667219 8.775e-05 deg
i 3.026244126072497 5.5839e-06 deg
  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
 Jupiter MOID = 1.64085 au 
 T_jup = 3.181 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.496936540113743E-15 -4.706397582201366E-15 8.442645644979289E-13 -3.671107798475493E-15 1.48105917126115E-13 -8.358955036077783E-16
q -4.706397582201366E-15 1.546172244249874E-14 -3.694831566612503E-12 1.381717689186967E-14 -6.081407752533764E-13 2.914261255607259E-15
tp 8.442645644979289E-13 -3.694831566612503E-12 3.830487957716537E-8 -1.552885543604398E-11 6.820382306261896E-9 -8.737683743217105E-13
node -3.671107798475493E-15 1.381717689186967E-14 -1.552885543604398E-11 6.49005634943457E-9 -6.483117557548032E-9 -6.073282561031E-12
peri 1.48105917126115E-13 -6.081407752533764E-13 6.820382306261896E-9 -6.483117557548032E-9 7.700105168861181E-9 5.951932278168146E-12
i -8.358955036077783E-16 2.914261255607259E-15 -8.737683743217105E-13 -6.073282561031E-12 5.951932278168146E-12 3.118041030962419E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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