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

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6046558980713737 0.00019452  
a 2.141451625888741 0.00098363 au
q .846610269860581 2.7675e-05 au
i 12.69121487822088 0.0033638 deg
node 24.59714227827713 0.00066627 deg
peri 62.67840203868365 5.7529e-05 deg
M 55.66566342485135 0.037298 deg
tp 2458823.511227163717
(2019-Dec-06.01122716)
0.0033551 TDB
period 1144.618680545837
3.13
0.78864
0.002159
d
yr
n .3145152233828002 0.0002167 deg/d
Q 3.436292981916901 0.0015784 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   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      .47818  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-26 05:02:42  

Additional Information
 Earth MOID = .0329597 au 
 Jupiter MOID = 2.01685 au 
 T_jup = 3.427 
[ show covariance matrix ]

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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