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(2015 LK)
Classification: Apollo [NEO]          SPK-ID: 3720919
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4430840519350097 0.00032656  
a 1.759408395968169 0.00098686 au
q .9798425948741168 2.4956e-05 au
i 3.218416085961924 0.0015193 deg
node 104.1223102265988 0.00407 deg
peri 191.810114602893 0.0052425 deg
M 33.55771988634761 0.6366 deg
tp 2458921.041866182047
(2020-Mar-12.54186618)
1.4405 TDB
period 852.4097665556944
2.33
0.71718
0.001964
d
yr
n .4223320920578383 0.00035533 deg/d
Q 2.538974197062222 0.0014241 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      14 days  
   first obs. used      2015-06-05  
   last obs. used      2015-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .48129  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-10 07:06:45  

Additional Information
 Earth MOID = .0147224 au 
 Jupiter MOID = 2.69302 au 
 T_jup = 3.998 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457182.5 (2015-Jun-09.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4445118215556644 0.00032328  
q .980250655417389 1.9034e-05 au
tp 2457215.962758389005
(2015-Jul-12.46275839)
0.0026212 TDB
node 104.3976843248478 0.0023999 deg
peri 191.4906080300991 0.0015143 deg
i 3.178223138914753 0.0016144 deg
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      14 days  
   first obs. used      2015-06-05  
   last obs. used      2015-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .48129  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-10 07:06:45  

Additional Information
 Jupiter MOID = 2.69302 au 
 T_jup = 3.998 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.045117750133282E-7 -6.153099096814884E-9 -8.473136395680092E-7 7.747526054269584E-7 -4.870061343540315E-7 5.218924128725464E-7
q -6.153099096814884E-9 3.62280172926893E-10 4.988097672313078E-8 -4.560274773870187E-8 2.865617475890368E-8 -3.072745955012998E-8
tp -8.473136395680092E-7 4.988097672313078E-8 6.870543010178661E-6 -6.283541314283765E-6 3.952047918997109E-6 -4.230884669816082E-6
node 7.747526054269584E-7 -4.560274773870187E-8 -6.283541314283765E-6 5.759357544567009E-6 -3.629294684062867E-6 3.867079759331094E-6
peri -4.870061343540315E-7 2.865617475890368E-8 3.952047918997109E-6 -3.629294684062867E-6 2.293213805365493E-6 -2.429825049472408E-6
i 5.218924128725464E-7 -3.072745955012998E-8 -4.230884669816082E-6 3.867079759331094E-6 -2.429825049472408E-6 2.606330942136096E-6

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 25.4   n/a E2015M05  

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