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(2013 AT72)
Classification: Aten [NEO]          SPK-ID: 3624059
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5356458138997074 5.9583e-07  
a .6782937753158444 1.4382e-08 au
q .3149685539736837 3.9888e-07 au
i 15.01664455651461 5.662e-05 deg
node 118.1874911627102 7.1736e-06 deg
peri 167.7662631790875 7.1587e-05 deg
M 280.4612718856109 0.00013292 deg
tp 2459045.581807005463
(2020-Jul-15.08180701)
7.5143e-05 TDB
period 204.0446321774982
0.56
6.4895e-06
1.777e-08
d
yr
n 1.764319875304714 5.6113e-08 deg/d
Q 1.041618996658005 2.2085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      1825 days (5.00 yr)  
   first obs. used      2013-01-13  
   last obs. used      2018-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .41851  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jan-15 06:56:59  

Additional Information
 Earth MOID = .0212661 au 
 Jupiter MOID = 4.12774 au 
 T_jup = 8.260 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456390.5 (2013-Apr-08.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5357700072955605 5.9484e-07  
q .3148403302082438 3.9777e-07 au
tp 2456393.239958258069
(2013-Apr-10.73995826)
0.00012283 TDB
node 118.2386566099987 7.059e-06 deg
peri 167.7279410770997 7.149e-05 deg
i 15.00748993911209 5.6673e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      1825 days (5.00 yr)  
   first obs. used      2013-01-13  
   last obs. used      2018-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .41851  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jan-15 06:56:59  

Additional Information
 Jupiter MOID = 4.12774 au 
 T_jup = 8.260 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.538383497903714E-13 -2.365988182544806E-13 -7.212244925232439E-11 2.518122747867422E-12 -4.155633924622506E-11 1.942770065947637E-11
q -2.365988182544806E-13 1.582214332180212E-13 4.822715694929078E-11 -1.681887604500684E-12 2.778248410659258E-11 -1.294883542108967E-11
tp -7.212244925232439E-11 4.822715694929078E-11 1.50879705415389E-8 -5.358519112887562E-10 8.750028244464346E-9 -3.485542466772639E-9
node 2.518122747867422E-12 -1.681887604500684E-12 -5.358519112887562E-10 4.982992808746291E-11 -3.399613376125214E-10 1.644577330374907E-10
peri -4.155633924622506E-11 2.778248410659258E-11 8.750028244464346E-9 -3.399613376125214E-10 5.110758934790988E-9 -2.009688091644313E-9
i 1.942770065947637E-11 -1.294883542108967E-11 -3.485542466772639E-9 1.644577330374907E-10 -2.009688091644313E-9 3.211797739164827E-9

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 24.2   n/a MPO250177  

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