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(2019 TR2)
Classification: Apollo [NEO]          SPK-ID: 3878582
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6046940641616447 0.00018797  
a 2.141644608834418 0.0009508 au
q .8466048263284579 2.6719e-05 au
i 12.69187452437754 0.0032508 deg
node 24.59701169820597 0.00064417 deg
peri 62.67840483685908 5.6903e-05 deg
M 55.65834429652142 0.036045 deg
tp 2458823.510576149445
(2019-Dec-06.01057615)
0.003244 TDB
period 1144.773409836808
3.13
0.76235
0.002087
d
yr
n .3144727130335073 0.00020942 deg/d
Q 3.436684391340378 0.0015257 au
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      26 days  
   first obs. used      2019-10-05  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .52229  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:44:47  

Additional Information
 Earth MOID = .0329616 au 
 Jupiter MOID = 2.01654 au 
 T_jup = 3.427 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458769.5 (2019-Oct-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6045395410097802 0.00018808  
q .846549001843464 2.6668e-05 au
tp 2458823.534847054046
(2019-Dec-06.03484705)
0.0032616 TDB
node 24.6103033881912 0.00065449 deg
peri 62.68920861583096 6.0864e-05 deg
i 12.7016634587314 0.003245 deg
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      26 days  
   first obs. used      2019-10-05  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .52229  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:44:47  

Additional Information
 Jupiter MOID = 2.01654 au 
 T_jup = 3.427 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.537279091894757E-8 -5.015455016395409E-9 -6.134084164698423E-7 -1.230733264486368E-7 -5.800243237561045E-9 6.10301483952778E-7
q -5.015455016395409E-9 7.111983674639061E-10 8.69677512618167E-8 1.745142337237022E-8 8.099995035057627E-10 -8.653629866651384E-8
tp -6.134084164698423E-7 8.69677512618167E-8 1.063809484711446E-5 2.134034458596731E-6 1.020640071475771E-7 -1.058292363029179E-5
node -1.230733264486368E-7 1.745142337237022E-8 2.134034458596731E-6 4.283596627329677E-7 1.977793409486953E-8 -2.12364020243388E-6
peri -5.800243237561045E-9 8.099995035057627E-10 1.020640071475771E-7 1.977793409486953E-8 3.704465222377689E-9 -9.927199446709998E-8
i 6.10301483952778E-7 -8.653629866651384E-8 -1.058292363029179E-5 -2.12364020243388E-6 -9.927199446709998E-8 1.053032801111089E-5

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.4   .30893 E2019-WE6 autocmod 2.8

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