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JPL Small-Body Database Browser
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(2017 TL4)
Classification: Apollo [NEO]          SPK-ID: 3785774
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3222359079087422 0.00029219  
a 1.297098120224743 0.00050298 au
q .8791265298073998 3.8105e-05 au
i 15.09795031659708 0.011483 deg
node 208.0071518609901 0.00074225 deg
peri 249.4691342005693 0.010295 deg
M 331.1515917314501 0.18254 deg
tp 2458643.739137924441
(2019-Jun-09.23913792)
0.29876 TDB
period 539.5822711566585
1.48
0.31385
0.0008593
d
yr
n .6671827805392816 0.00038807 deg/d
Q 1.715069710642086 0.00066506 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      16 days  
   first obs. used      2017-10-11  
   last obs. used      2017-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .4235  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-31 05:26:34  

Additional Information
 Earth MOID = .0349922 au 
 Jupiter MOID = 3.54451 au 
 T_jup = 4.924 
[ 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 24.4   n/a MPO435139  

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