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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 
[ show covariance matrix ]

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

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