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135409 (2001 TR238)
Classification: Main-belt Asteroid          SPK-ID: 2135409
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309927225162002 4.5644e-08  
a 3.088534346039804 2.6175e-08 au
q 2.683958823467258 1.4e-07 au
i 10.74969540613192 5.6489e-06 deg
node 137.8465084319054 2.56e-05 deg
peri 234.424702065687 3.3058e-05 deg
M 185.0690327114193 2.2688e-05 deg
tp 2460163.865915440398
(2023-Aug-07.36591544)
0.00012999 TDB
period 1982.563378766515
5.43
2.5203e-05
6.9e-08
d
yr
n .181583097849805 2.3083e-09 deg/d
Q 3.493109868612351 2.9604e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      9733 days (26.65 yr)  
   first obs. used      1994-06-01  
   last obs. used      2021-01-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56105  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:12:54  

Additional Information
 Earth MOID = 1.69822 au 
 Jupiter MOID = 2.01383 au 
 T_jup = 3.186 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457380.5 (2015-Dec-24.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1297578372227279 4.5576e-08  
q 2.688158216708601 1.3955e-07 au
tp 2458182.442749730228
(2018-Mar-04.94274973)
0.00012193 TDB
node 137.8622929273065 2.5603e-05 deg
peri 234.7787457989121 3.3205e-05 deg
i 10.74773606632303 5.648e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      9733 days (26.65 yr)  
   first obs. used      1994-06-01  
   last obs. used      2021-01-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56105  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:12:54  

Additional Information
 Jupiter MOID = 2.01383 au 
 T_jup = 3.186 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.077208819671829E-15 -6.277378850694444E-15 -9.96735153428002E-14 2.330785827292331E-15 -7.758171218122398E-14 6.982224114677307E-16
q -6.277378850694444E-15 1.94746239281235E-14 1.047393127851624E-12 -7.701151980253895E-15 3.222414156243941E-13 -1.365927925179942E-15
tp -9.96735153428002E-14 1.047393127851624E-12 1.486581557541487E-8 -2.166661969725072E-11 2.58997772228373E-9 -1.257078933644877E-12
node 2.330785827292331E-15 -7.701151980253895E-15 -2.166661969725072E-11 6.555016473093552E-10 -6.475563197400718E-10 -6.018051793828478E-12
peri -7.758171218122398E-14 3.222414156243941E-13 2.58997772228373E-9 -6.475563197400718E-10 1.102597758049242E-9 5.604252032822021E-12
i 6.982224114677307E-16 -1.365927925179942E-15 -1.257078933644877E-12 -6.018051793828478E-12 5.604252032822021E-12 3.18994598358347E-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 15.27   n/a E2021B55  

135409 (2001 TR238)          Discovered 2001-Oct-15 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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