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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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1955-Jul-20 22:25 00:03 Jupiter 1.97303750604202 1.97303679349247 1.97303821859156 3.34154791628781 3.21050541135631 2435309.433933778 2.64918198716417 105.043483049829 37.0004549350684 -83.490045984803 2405760.70098017 T 27 CATAB v2.0f-lin.ifort 2020-Feb-24 16:46:31 2020-Feb-24 16:46
2025-May-27 06:02 < 00:01 Jupiter 1.98845852197625 1.98845804159164 1.98845900236096 4.12021549695157 4.01549958396891 2460822.751322669 0.524837988564107 80.2363985405449 18.9878409529107 -82.6733493630557 3351913.05445131 T 27 CATAB v2.0f-lin.ifort 2020-Feb-24 16:46:31 2020-Feb-24 16:46
2085-Apr-21 16:50 00:03 Jupiter 1.96586659323623 1.96586609815223 1.96586708832123 3.80833778972332 3.69346819734947 2482702.201503579 3.09002334092641 161.189140730647 19.0118117956758 -88.0403788050979 2604303.47925634 T 27 CATAB v2.0f-lin.ifort 2020-Feb-24 16:46:31 2020-Feb-24 16:46
2145-Mar-21 11:47 00:06 Jupiter 1.98234090103203 1.98234026181279 1.9823415402515 3.41673463662635 3.28930199452259 2504584.991208344 5.81529367871824 100.291251782084 43.2196591118869 84.1656139435642 1269917.17674914 T 27 CATAB v2.0f-lin.ifort 2020-Feb-24 16:46:31 2020-Feb-24 16:46
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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