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(2021 LK)
Classification: Aten [NEO]          SPK-ID: 54153124
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2164961819958627 8.6915e-05  
a .9401247276529637 3.4237e-06 au
q .7365913135161969 8.4381e-05 au
i 7.144465101179002 0.0032874 deg
node 76.77139572851988 0.00029667 deg
peri 301.563277451181 0.0027882 deg
M 74.19390184887557 0.012326 deg
tp 2459131.881321310736
(2020-Oct-09.38132131)
0.011028 TDB
period 332.9481765017791
0.91
0.0018188
4.98e-06
d
yr
n 1.08124935172329 5.9065e-06 deg/d
Q 1.14365814178973 4.1649e-06 au
  Orbit Determination Parameters
   # obs. used (total)      25  
   data-arc span      18 days  
   first obs. used      2021-05-20  
   last obs. used      2021-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .4303  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-16 06:20:10  

Additional Information
 Earth MOID = .00294048 au 
 Jupiter MOID = 4.21908 au 
 T_jup = 6.358 
[ 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 26.669   .49268 5 autocmod 2.9c

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