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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1312399115298327 4.2462e-08  
a 3.087865156224855 2.4458e-08 au
q 2.682614006305852 1.3295e-07 au
i 10.74981159474046 4.2847e-06 deg
node 137.8479055612462 2.5308e-05 deg
peri 234.4394655012585 3.154e-05 deg
M 220.6550325152234 2.207e-05 deg
tp 2460163.640135695717
(2023-Aug-07.14013570)
0.00012654 TDB
period 1981.919073472314
5.43
2.3547e-05
6.447e-08
d
yr
n .1816421289943396 2.1581e-09 deg/d
Q 3.493116306143858 2.7668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      482  
   data-arc span      9871 days (27.03 yr)  
   first obs. used      1994-06-01  
   last obs. used      2021-06-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55561  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:15:53  

Additional Information
 Earth MOID = 1.69761 au 
 Jupiter MOID = 2.01431 au 
 T_jup = 3.186 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.27   n/a E2021B55  

135409 (2001 TR238)          Discovered 2001-Oct-15 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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