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172281 (2002 TD133)
Classification: Main-belt Asteroid          SPK-ID: 2172281
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .09589900562596791 5.3736e-08  
a 2.373659419716454 1.5858e-08 au
q 2.146027841670934 1.3195e-07 au
i 6.265067225308822 6.4981e-06 deg
node 329.4334886187744 4.5154e-05 deg
peri 300.482438919714 6.1002e-05 deg
M 30.48310242758994 4.6032e-05 deg
tp 2458887.394766890351
(2020-Feb-07.89476689)
0.00017035 TDB
period 1335.752619543745
3.66
1.3386e-05
3.665e-08
d
yr
n .2695109818485444 2.7009e-09 deg/d
Q 2.601290997761974 1.7379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      650  
   data-arc span      8039 days (22.01 yr)  
   first obs. used      1997-04-07  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56335  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:48:43  

Additional Information
 Earth MOID = 1.13796 au 
 Jupiter MOID = 2.50088 au 
 T_jup = 3.529 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456806.5 (2014-May-29.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09601359514764567 5.4014e-08  
q 2.145039153167217 1.3231e-07 au
tp 2456215.076277078216
(2012-Oct-14.57627708)
0.00016105 TDB
node 329.4928045227593 4.5197e-05 deg
peri 300.0998133971823 6.0851e-05 deg
i 6.263370777442589 6.4946e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      650  
   data-arc span      8039 days (22.01 yr)  
   first obs. used      1997-04-07  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56335  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:48:43  

Additional Information
 Jupiter MOID = 2.50088 au 
 T_jup = 3.529 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.917550916142352E-15 -7.108141493880774E-15 -1.704067935914572E-12 1.758345855451961E-14 -3.358913899812362E-13 2.824326234143563E-15
q -7.108141493880774E-15 1.750495208888011E-14 4.598180666565433E-12 -4.402087094304311E-14 9.495913979188675E-13 -6.259672641371085E-15
tp -1.704067935914572E-12 4.598180666565433E-12 2.593646743510486E-8 -6.284655400671647E-12 6.571445006285885E-9 8.303304599579457E-12
node 1.758345855451961E-14 -4.402087094304311E-14 -6.284655400671647E-12 2.04274344964958E-9 -2.030812193603601E-9 1.477806724646059E-11
peri -3.358913899812362E-13 9.495913979188675E-13 6.571445006285885E-9 -2.030812193603601E-9 3.702843196322626E-9 -1.240432610566254E-11
i 2.824326234143563E-15 -6.259672641371085E-15 8.303304599579457E-12 1.477806724646059E-11 -1.240432610566254E-11 4.218030197371126E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO338374  

172281 (2002 TD133)          Discovered 2002-Oct-04 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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