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(2021 LL6)
Classification: Apollo [NEO]          SPK-ID: 54159408
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 2459380.5 (2021-Jun-15.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5742150191819624 0.001306  
a 2.288168683504366 0.006863 au
q .974267859014341 6.6099e-05 au
i .240432077604859 0.00037973 deg
node 268.0690836069257 0.003096 deg
peri 29.38395965725005 0.00065093 deg
M 352.1797738700881 0.037711 deg
tp 2459407.962956788911
(2021-Jul-12.46295679)
0.0088762 TDB
period 1264.242782723647
3.46
5.6878
0.01557
d
yr
n .2847554321998397 0.0012811 deg/d
Q 3.602069507994392 0.010804 au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      6 days  
   first obs. used      2021-06-13  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .47454  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-19 06:20:33  

Additional Information
 Earth MOID = 9.36258E-5 au 
 Jupiter MOID = 1.64934 au 
 T_jup = 3.360 
[ 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 26.83   .46347 E2021M55 autocmod 2.9c

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