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JPL Small-Body Database Browser
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172285 (2002 TX138)
Classification: Main-belt Asteroid          SPK-ID: 2172285
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149472733101586 6.2476e-08  
a 3.089149108629838 3.149e-08 au
q 2.734059841744331 1.9595e-07 au
i 8.148189609803611 4.494e-06 deg
node 273.865049235554 4.8782e-05 deg
peri 71.90943999490258 5.2787e-05 deg
M 124.3444048246707 1.9816e-05 deg
tp 2458315.515914689762
(2018-Jul-16.01591469)
0.00010983 TDB
period 1983.155342288148
5.43
3.0323e-05
8.302e-08
d
yr
n .181528896059466 2.7757e-09 deg/d
Q 3.444238375515345 3.5109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      614  
   data-arc span      8094 days (22.16 yr)  
   first obs. used      1997-12-04  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .525  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:46:10  

Additional Information
 Earth MOID = 1.74049 au 
 Jupiter MOID = 1.97232 au 
 T_jup = 3.200 
[ 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 14.7   n/a MPO454181  

172285 (2002 TX138)          Discovered 2002-Oct-04 by LONEOS at Anderson Mesa
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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