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(2017 TH2)
Classification: Apollo [NEO]          SPK-ID: 3785685
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2449660606707758 0.00020532  
a 1.304152016094065 0.00033334 au
q .9846790341956515 1.6088e-05 au
i 3.529767264407046 0.0024224 deg
node 198.1418332767914 0.00015068 deg
peri 152.6728257978951 0.0041617 deg
M 293.323313167485 0.24948 deg
tp 2459101.253992201204
(2020-Sep-08.75399220)
0.41562 TDB
period 543.9897948670342
1.49
0.20857
0.000571
d
yr
n .6617771204476248 0.00025373 deg/d
Q 1.623624997992478 0.000415 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      9 days  
   first obs. used      2017-10-10  
   last obs. used      2017-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .43281  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Dec-21 06:28:14  

Additional Information
 Earth MOID = .00473484 au 
 Jupiter MOID = 3.79479 au 
 T_jup = 4.959 
[ 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 28.8   n/a MPO435138  

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