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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .137314230854048 4.2911e-08  
a 2.635471145836133 1.3554e-08 au
q 2.273583452507608 1.0803e-07 au
i 4.625294376139186 5.2243e-06 deg
node 61.70014170676859 5.3764e-05 deg
peri 261.8823080102599 5.7499e-05 deg
M 120.6934830996172 2.1015e-05 deg
tp 2458872.577384450914
(2020-Jan-24.07738445)
8.9758e-05 TDB
period 1562.736750599827
4.28
1.2056e-05
3.301e-08
d
yr
n .230365094992372 1.7771e-09 deg/d
Q 2.997358839164658 1.5415e-08 au
  Orbit Determination Parameters
   # obs. used (total)      746  
   data-arc span      15797 days (43.25 yr)  
   first obs. used      1977-10-11  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5585  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:42:24  

Additional Information
 Earth MOID = 1.26633 au 
 Jupiter MOID = 2.31243 au 
 T_jup = 3.380 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457457.5 (2016-Mar-10.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1384890202355337 4.2847e-08  
q 2.270179133303954 1.0802e-07 au
tp 2457312.149604924238
(2015-Oct-16.64960492)
8.5918e-05 TDB
node 61.71427707415899 5.3728e-05 deg
peri 262.2915172247689 5.7421e-05 deg
i 4.627858886728327 5.2282e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      746  
   data-arc span      15797 days (43.25 yr)  
   first obs. used      1977-10-11  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5585  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:42:24  

Additional Information
 Jupiter MOID = 2.31243 au 
 T_jup = 3.380 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.835837698810036E-15 -4.607288861407629E-15 1.201267919393188E-12 -6.692488386817082E-16 2.200299160938126E-13 -3.575114520946692E-16
q -4.607288861407629E-15 1.166871204271844E-14 -2.968412385348757E-12 -8.213484919433934E-16 -5.371765730275151E-13 1.125970757939492E-15
tp 1.201267919393188E-12 -2.968412385348757E-12 7.381956328550828E-9 -3.089982061349612E-11 1.754830171579767E-9 6.876591246273104E-13
node -6.692488386817082E-16 -8.213484919433934E-16 -3.089982061349612E-11 2.88674430935269E-9 -2.884365446508069E-9 -9.907362335071149E-11
peri 2.200299160938126E-13 -5.371765730275151E-13 1.754830171579767E-9 -2.884365446508069E-9 3.297173627385942E-9 9.89291815505345E-11
i -3.575114520946692E-16 1.125970757939492E-15 6.876591246273104E-13 -9.907362335071149E-11 9.89291815505345E-11 2.733355371695874E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.70   n/a MPCxxxxx  

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

Alternate Designations
 4042 T-3 = 2003 UF262 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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