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(2016 AT281)
Classification: TransNeptunian Object          SPK-ID: 3934290
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9576737556532861 1.6786e-05  
a 63.38708533782972 0.025001 au
q 2.68293726243499 2.7629e-05 au
i 22.19384769016301 0.0002354 deg
node 347.53591485663 0.00014639 deg
peri 248.3500453266905 0.00075478 deg
M 2.619871950716585 0.001552 deg
tp 2457659.041736599209
(2016-Sep-27.54173660)
0.0012704 TDB
period 184331.5184515775
504.67
109.05
0.2986
d
yr
n .001953002953722042 1.1554e-06 deg/d
Q 124.0912334132245 0.048943 au
  Orbit Determination Parameters
   # obs. used (total)      40  
   data-arc span      134 days  
   first obs. used      2016-01-08  
   last obs. used      2016-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .46768  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-22 17:46:08  

Additional Information
 Earth MOID = 1.77011 au 
 Jupiter MOID = .650842 au 
 T_jup = 1.943 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   .32712 E2019Y09 autocmod 2.8

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