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470951 (2009 LS)
Classification: Apollo [NEO]          SPK-ID: 2470951
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 62 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2911976155131301 1.2968e-07  
a 1.262782378486721 4.6366e-09 au
q .895063160959389 1.6535e-07 au
i 44.99671581493424 1.7207e-05 deg
node 252.7483337533155 1.0975e-05 deg
peri 176.2904610954 1.7185e-05 deg
M 244.7137819822468 1.2691e-05 deg
tp 2459366.483947047521
(2021-May-31.98394705)
1.884e-05 TDB
period 518.3119193649487
1.42
2.8547e-06
7.816e-09
d
yr
n .6945624566015822 3.8254e-09 deg/d
Q 1.630501596014054 5.9868e-09 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      3881 days (10.63 yr)  
   first obs. used      2009-06-12  
   last obs. used      2020-01-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4539  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:24:15  

Additional Information
 Earth MOID = .0900412 au 
 Jupiter MOID = 3.6809 au 
 T_jup = 4.787 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457654.5 (2016-Sep-23.0) TDB
Reference: JPL 62 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2912295626548568 1.2964e-07  
q .8949769760448463 1.653e-07 au
tp 2457811.594981669188
(2017-Feb-27.09498167)
1.4893e-05 TDB
node 252.7552349064658 1.0973e-05 deg
peri 176.2528168363404 1.718e-05 deg
i 44.99691467103923 1.7206e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      282  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      3881 days (10.63 yr)  
   first obs. used      2009-06-12  
   last obs. used      2020-01-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4539  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:24:15  

Additional Information
 Jupiter MOID = 3.6809 au 
 T_jup = 4.787 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.680695913239141E-14 -2.142681123959155E-14 8.488219807017782E-13 -4.689350408368384E-14 1.348648728960119E-12 7.389954863419227E-13
q -2.142681123959155E-14 2.732503761754739E-14 -1.060458784042468E-12 6.583806731704895E-14 -1.71727114632009E-12 -9.274115534301591E-13
tp 8.488219807017782E-13 -1.060458784042468E-12 2.217913403257124E-10 -8.272847797388455E-11 2.206496325465365E-10 -5.792311604753827E-11
node -4.689350408368384E-14 6.583806731704895E-14 -8.272847797388455E-11 1.204108963075439E-10 -1.27768182502291E-10 1.24052176276954E-10
peri 1.348648728960119E-12 -1.71727114632009E-12 2.206496325465365E-10 -1.27768182502291E-10 2.951519243311047E-10 -7.560044298028774E-11
i 7.389954863419227E-13 -9.274115534301591E-13 -5.792311604753827E-11 1.24052176276954E-10 -7.560044298028774E-11 2.960398511318286E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO264990  

470951 (2009 LS)          Discovered 2009-Jun-12 by CSS at Catalina
Reference: Last Updated: 2016-08-22

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