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

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3380749133862773 0.00030998  
a .8571717465859356 6.408e-05 au
q .5673834826017314 0.00030812 au
i 7.57261318681065 0.0096226 deg
node 205.7395447389955 0.00015878 deg
peri 320.1733296280264 0.0039542 deg
M 323.2923131009871 0.036048 deg
tp 2459230.056616485898
(2021-Jan-15.55661649)
0.03234 TDB
period 289.8679495713322
0.79
0.032505
8.899e-05
d
yr
n 1.241944825332989 0.00013927 deg/d
Q 1.14696001057014 8.5744e-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 = .0118436 au 
 Jupiter MOID = 3.82921 au 
 T_jup = 6.828 
[ 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 26.3   .42368 E2020-UK5 autocmod 2.8

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