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118023 (2103 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118023
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806051822375063 5.7261e-08  
a 2.256070075489411 7.9136e-09 au
q 1.848612128365061 1.3057e-07 au
i 5.732760675207095 6.4059e-06 deg
node 199.8192381262802 3.7233e-05 deg
peri 191.5988319905184 3.906e-05 deg
M 263.6032749534668 1.1725e-05 deg
tp 2459331.926387637742
(2021-Apr-27.42638764)
4.0893e-05 TDB
period 1237.73395301543
3.39
6.5124e-06
1.783e-08
d
yr
n .2908541040850902 1.5303e-09 deg/d
Q 2.663528022613761 9.3428e-09 au
  Orbit Determination Parameters
   # obs. used (total)      627  
   data-arc span      16650 days (45.59 yr)  
   first obs. used      1973-09-20  
   last obs. used      2019-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53823  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:50:48  

Additional Information
 Earth MOID = .854471 au 
 Jupiter MOID = 2.77268 au 
 T_jup = 3.595 
[ 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 16.5   n/a MPO379343  

118023 (2103 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
 2103 T-2 = 2000 QL89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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