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118140 (4042 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2118140
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .137385773357049 4.3896e-08  
a 2.634650979521939 1.401e-08 au
q 2.272687417174411 1.1139e-07 au
i 4.625923173947313 5.2505e-06 deg
node 61.70051659557838 6.0721e-05 deg
peri 261.7370600788961 6.4082e-05 deg
M 29.58083009116706 2.081e-05 deg
tp 2458872.151463927325
(2020-Jan-23.65146393)
8.993e-05 TDB
period 1562.007314999591
4.28
1.2459e-05
3.411e-08
d
yr
n .2304726722743256 1.8383e-09 deg/d
Q 2.996614541869467 1.5934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      690  
   data-arc span      15742 days (43.10 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:45:00  

Additional Information
 Earth MOID = 1.26609 au 
 Jupiter MOID = 2.31379 au 
 T_jup = 3.380 
[ 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 15.6   n/a MPO436567  

118140 (4042 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

[ show close-approach data ]
Alternate Designations
 4042 T-3 = 2003 UF262 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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