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118123 (3238 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2118123
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05010599546665434 4.2885e-08  
a 2.629096435600678 1.4326e-08 au
q 2.497362941517073 1.1498e-07 au
i 15.04876410549173 5.2903e-06 deg
node 22.25968097760934 1.6935e-05 deg
peri 71.1433092492788 5.463e-05 deg
M 339.1451918475577 5.0628e-05 deg
tp 2459290.701113691794
(2021-Mar-17.20111369)
0.00021888 TDB
period 1557.070230120667
4.26
1.2727e-05
3.484e-08
d
yr
n .2312034441581362 1.8897e-09 deg/d
Q 2.760829929684282 1.5044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      936  
   data-arc span      15809 days (43.28 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48228  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:18:54  

Additional Information
 Earth MOID = 1.54967 au 
 Jupiter MOID = 2.34412 au 
 T_jup = 3.350 
[ 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 14.9   n/a MPO436567  

118123 (3238 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 3238 T-3 = 2003 XM42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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