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(2016 AT131)
Classification: Apollo [NEO]          SPK-ID: 3739702
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2236763070668595 0.00039313  
a 1.22534548786455 0.0005565 au
q .9512647342579682 4.9783e-05 au
i 7.740025699703362 0.012286 deg
node 292.5851602871512 0.00051409 deg
peri 133.2972831006083 0.0020228 deg
M 112.5195249727874 0.82946 deg
tp 2458845.649843015259
(2019-Dec-28.14984302)
1.036 TDB
period 495.4345170581615
1.36
0.33751
0.0009241
d
yr
n .7266348782834965 0.00049501 deg/d
Q 1.499426241471132 0.00068097 au
  Orbit Determination Parameters
   # obs. used (total)      33  
   data-arc span      6 days  
   first obs. used      2016-01-12  
   last obs. used      2016-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .52367  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:29:14  

Additional Information
 Earth MOID = .0183731 au 
 Jupiter MOID = 3.76185 au 
 T_jup = 5.184 
[ 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 27.4   n/a MPO365019  

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