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190398 (1999 TE142)
Classification: Main-belt Asteroid          SPK-ID: 2190398
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2819039147938513 8.0363e-08  
a 2.77749604316872 1.9578e-08 au
q 1.994509035275026 2.1827e-07 au
i 2.013411233321703 7.5149e-06 deg
node 205.6899181734798 0.00015315 deg
peri 182.7343497331734 0.00015347 deg
M 197.2564782960714 1.2233e-05 deg
tp 2459964.828069687318
(2023-Jan-20.32806969)
6.3501e-05 TDB
period 1690.746901667867
4.63
1.7876e-05
4.894e-08
d
yr
n .2129236490954806 2.2513e-09 deg/d
Q 3.560483051062414 2.5097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      8885 days (24.33 yr)  
   first obs. used      1996-01-19  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54567  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:02:21  

Additional Information
 Earth MOID = .998288 au 
 Jupiter MOID = 1.89192 au 
 T_jup = 3.274 
[ 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 16.25   n/a E2021B55  

190398 (1999 TE142)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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