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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .281903915356315 8.0363e-08  
a 2.777496046344038 1.9578e-08 au
q 1.994509035992968 2.1827e-07 au
i 2.013411230742926 7.5149e-06 deg
node 205.689918425248 0.00015315 deg
peri 182.7343495285963 0.00015347 deg
M 197.2564776449683 1.2233e-05 deg
tp 2459964.828074055941
(2023-Jan-20.32807406)
6.3501e-05 TDB
period 1690.746904567237
4.63
1.7876e-05
4.894e-08
d
yr
n .2129236487303495 2.2513e-09 deg/d
Q 3.560483056695107 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54583  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:29  

Additional Information
 Earth MOID = .998288 au 
 Jupiter MOID = 1.89192 au 
 T_jup = 3.274 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457167.5 (2015-May-25.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .279835579431514 7.998e-08  
q 2.003177751844197 2.1691e-07 au
tp 2456581.782620885998
(2013-Oct-16.28262089)
4.3195e-05 TDB
node 205.7154446776382 0.00015347 deg
peri 182.9350799588064 0.0001538 deg
i 2.008947453265251 7.5064e-06 deg
  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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54583  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:29  

Additional Information
 Jupiter MOID = 1.89192 au 
 T_jup = 3.274 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.396779506304984E-15 -1.731732911653843E-14 -1.521227272870568E-13 4.212509480912746E-14 -3.233323045254036E-13 -4.360110972456494E-16
q -1.731732911653843E-14 4.705071028562401E-14 5.879654733442929E-13 -1.179633761974759E-13 9.189086809034192E-13 1.231564589357139E-15
tp -1.521227272870568E-13 5.879654733442929E-13 1.865834994011474E-9 -1.352669299488007E-12 4.326810646658155E-10 -1.643267294309028E-12
node 4.212509480912746E-14 -1.179633761974759E-13 -1.352669299488007E-12 2.355256309319439E-8 -2.353910867423191E-8 -2.420911272365587E-10
peri -3.233323045254036E-13 9.189086809034192E-13 4.326810646658155E-10 -2.353910867423191E-8 2.365361255265269E-8 2.416512539562636E-10
i -4.360110972456494E-16 1.231564589357139E-15 -1.643267294309028E-12 -2.420911272365587E-10 2.416512539562636E-10 5.634657634019383E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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