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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9573741512327434 1.6813e-05  
a 63.06821989222232 0.024738 au
q 2.688336403145954 2.7571e-05 au
i 22.17811487093774 0.00023518 deg
node 347.5252757029426 0.00014698 deg
peri 248.4064888308815 0.00075703 deg
M 3.420789899522665 0.0020147 deg
tp 2457658.146136932102
(2016-Sep-26.64613693)
0.0012832 TDB
period 182942.3639235394
500.87
107.64
0.2947
d
yr
n .001967832886156766 1.1578e-06 deg/d
Q 123.4481033812987 0.048422 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .46778  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 16:00:23  

Additional Information
 Earth MOID = 1.77576 au 
 Jupiter MOID = .645568 au 
 T_jup = 1.945 
[ 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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