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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 
[ 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 15.27   n/a E2021B55  

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

[ 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
2057-Sep-06 14:45 00:03 Thisb 0.0175959546259193 0.0175839922410367 0.0176079177905285 4.44684955866512 4.44684947152674 2472613.114402241 2.9847485780584 624.508737379263 63.9249800382748 17.39120852758 12941.0563609366 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 18:12:56 2021-Apr-13 18:12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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