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74918 (1999 TE144)
Classification: Main-belt Asteroid          SPK-ID: 2074918
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 .2306073245653314 3.6894e-08  
a 2.300645177881513 1.0908e-08 au
q 1.770099548636127 8.8258e-08 au
i 4.329598277576452 5.3072e-06 deg
node 49.06860211960955 5.9952e-05 deg
peri 248.2490979270679 6.1316e-05 deg
M 15.62588836728125 1.4045e-05 deg
tp 2458945.175804267643
(2020-Apr-05.67580427)
4.9528e-05 TDB
period 1274.597001816029
3.49
9.0651e-06
2.482e-08
d
yr
n .2824422146663431 2.0088e-09 deg/d
Q 2.8311908071269 1.3424e-08 au
  Orbit Determination Parameters
   # obs. used (total)      681  
   data-arc span      7165 days (19.62 yr)  
   first obs. used      1999-08-22  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52585  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:11:10  

Additional Information
 Earth MOID = .76 au 
 Jupiter MOID = 2.39596 au 
 T_jup = 3.552 
[ 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 16.1   n/a MPO432302  

74918 (1999 TE144)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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