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(2015 LF21)
Classification: Apollo [NEO]          SPK-ID: 3721140
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.


Orbital Elements at Epoch 2457189.5 (2015-Jun-16.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6344088175736328 0.00057272  
a 1.509564877286608 0.0016698 au
q .5518836084365251 0.0002541 au
i 2.631235570356758 0.0024448 deg
node 253.7398424627237 0.00046734 deg
peri 266.8722770706174 0.00061729 deg
M 29.98920169585016 0.063543 deg
tp 2457133.066302593766
(2015-Apr-20.56630259)
0.025939 TDB
period 677.448211936083
1.85
1.124
0.003077
d
yr
n .5314059342944518 0.00088172 deg/d
Q 2.467246146136691 0.0027292 au
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      4 days  
   first obs. used      2015-06-13  
   last obs. used      2015-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .57415  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 13:51:43  

Additional Information
 Earth MOID = .00564437 au 
 Jupiter MOID = 2.53577 au 
 T_jup = 4.279 
[ 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 25.7   n/a MPO477795  

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