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JPL Small-Body Database Browser
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(2017 TJ4)
Classification: Aten [NEO]          SPK-ID: 3785769
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3559547182384163 0.00019823  
a .7666209370169195 8.9444e-05 au
q .4937385973853912 0.00020957 au
i 4.376536300851741 0.0033578 deg
node 200.3558905507565 0.00064265 deg
peri 15.92719197538755 0.00018359 deg
M 253.1955940540329 0.13322 deg
tp 2458673.237121266770
(2019-Jul-08.73712127)
0.10346 TDB
period 245.1711933053071
0.67
0.042907
0.0001175
d
yr
n 1.468361740001399 0.00025698 deg/d
Q 1.039503276648448 0.00012128 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      30 days  
   first obs. used      2017-10-13  
   last obs. used      2017-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .42466  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Nov-12 06:18:35  

Additional Information
 Earth MOID = .00755063 au 
 Jupiter MOID = 3.92831 au 
 T_jup = 7.503 
[ 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 25.2   n/a MPO428365  

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