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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.


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Orbital Elements at Epoch 2457189.5 (2015-Jun-16.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6344233157628195 0.00057274  
a 1.509607842482755 0.00167 au
q .5518774295532896 0.0002541 au
i 2.631312734386659 0.0024449 deg
node 253.7399262227846 0.00046733 deg
peri 266.8722508624302 0.00061726 deg
M 29.98756617561737 0.063545 deg
tp 2457133.066971109323
(2015-Apr-20.56697111)
0.02594 TDB
period 677.477134411875
1.85
1.1242
0.003078
d
yr
n .531383247808828 0.00088178 deg/d
Q 2.467338255412221 0.0027295 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .57234  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-17 06:10:52  

Additional Information
 Earth MOID = .00564448 au 
 Jupiter MOID = 2.53568 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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