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(2020 TK4)
Classification: Aten [NEO]          SPK-ID: 54057206
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3382595267960148 0.00030934  
a .856395745029779 6.2283e-05 au
q .5667117255658853 0.00030613 au
i 7.596392790915859 0.009579 deg
node 205.7839096958056 0.00028871 deg
peri 320.3338472700982 0.003435 deg
M 74.38119388916965 0.0095281 deg
tp 2458940.690410412473
(2020-Apr-01.19041041)
0.0011971 TDB
period 289.4744104752119
0.79
0.031579
8.646e-05
d
yr
n 1.24363324346705 0.00013567 deg/d
Q 1.146079764493673 8.3351e-05 au
  Orbit Determination Parameters
   # obs. used (total)      58  
   data-arc span      11 days  
   first obs. used      2020-10-12  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .34632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-24 07:46:22  

Additional Information
 Earth MOID = .012348 au 
 Jupiter MOID = 3.8308 au 
 T_jup = 6.833 
[ 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 26.286   .42368 9 autocmod 2.8

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