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JPL Small-Body Database Browser
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173342 (1999 XW53)
Classification: Main-belt Asteroid          SPK-ID: 2173342
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1636002163643279 7.7254e-08  
a 2.418679057953054 1.7895e-08 au
q 2.022982640756065 1.8227e-07 au
i 6.87664724315315 5.5114e-06 deg
node 80.53125140134269 4.5421e-05 deg
peri 292.5021554917838 4.7947e-05 deg
M 95.26935029830408 1.7428e-05 deg
tp 2458236.906177373286
(2018-Apr-28.40617737)
6.4501e-05 TDB
period 1373.933754515665
3.76
1.5248e-05
4.175e-08
d
yr
n .262021366617422 2.9079e-09 deg/d
Q 2.814375475150042 2.0822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      419  
   data-arc span      7977 days (21.84 yr)  
   first obs. used      1997-03-07  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58797  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:30:27  

Additional Information
 Earth MOID = 1.03508 au 
 Jupiter MOID = 2.66659 au 
 T_jup = 3.487 
[ 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 16.5   n/a MPO352059  

173342 (1999 XW53)          Discovered 1999-Dec-07 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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