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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1373857472774197 5.5111e-08  
a 2.634650989060415 1.8665e-08 au
q 2.272687494113157 1.4865e-07 au
i 4.625923315276181 5.2721e-06 deg
node 61.70051631667195 8.1203e-05 deg
peri 261.7370595456559 8.3532e-05 deg
M 29.58082613973733 2.1526e-05 deg
tp 2458872.151480375211
(2020-Jan-23.65148038)
9.2824e-05 TDB
period 1562.007323482215
4.28
1.6599e-05
4.545e-08
d
yr
n .2304726710227225 2.4492e-09 deg/d
Q 2.996614484007673 2.123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      15631 days (42.80 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:02:05  

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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