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118145 (4142 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2118145
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1200089974697536 5.2349e-08  
a 2.461697710467413 1.6352e-08 au
q 2.166271836160631 1.3233e-07 au
i 7.262041578096985 6.2677e-06 deg
node 65.94356199489938 3.5677e-05 deg
peri 14.65329659061612 4.3717e-05 deg
M 319.7155916656936 2.643e-05 deg
tp 2459158.364688924987
(2020-Nov-04.86468892)
0.00010444 TDB
period 1410.751463478679
3.86
1.4057e-05
3.849e-08
d
yr
n .2551831483571881 2.5426e-09 deg/d
Q 2.757123584774195 1.8315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      553  
   data-arc span      15362 days (42.06 yr)  
   first obs. used      1977-10-11  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58722  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:04:37  

Additional Information
 Earth MOID = 1.18267 au 
 Jupiter MOID = 2.46848 au 
 T_jup = 3.468 
[ 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 15.8   n/a MPO260002  

118145 (4142 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
 4142 T-3 = 2004 UB2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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