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118052 (4105 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118052
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3169431421864402 6.4977e-08  
a 3.064757294585829 1.6549e-08 au
q 2.093403487600983 1.9916e-07 au
i 5.674247257298812 8.3886e-06 deg
node 174.2714966502492 5.8767e-05 deg
peri 234.3062392305109 6.0286e-05 deg
M 233.9561459932854 1.0037e-05 deg
tp 2459686.638409078920
(2022-Apr-17.13840908)
5.7437e-05 TDB
period 1959.713380830552
5.37
1.5873e-05
4.346e-08
d
yr
n .1837003326718253 1.4879e-09 deg/d
Q 4.036111101570675 2.1795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      16276 days (44.56 yr)  
   first obs. used      1973-09-19  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62601  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:15:32  

Additional Information
 Earth MOID = 1.10934 au 
 Jupiter MOID = 1.4024 au 
 T_jup = 3.146 
[ 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 15.8   n/a MPO436567  

118052 (4105 T-2)          Discovered 1973-Sep-29 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
 4105 T-2 = 2000 RB74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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