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(2009 ST19)
Classification: Apollo [NEO, PHA]          SPK-ID: 3467706
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 64 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5951495537206473 3.6932e-08  
a 2.360872869869313 1.6993e-08 au
q .9558004349754077 8.8567e-08 au
i 6.7295336362026 1.0349e-05 deg
node .1767489163703005 3.8237e-05 deg
peri 336.8392167338338 4.3417e-05 deg
M 344.9680951372547 1.4505e-05 deg
tp 2459055.824671863864
(2020-Jul-25.32467186)
5.3922e-05 TDB
period 1324.973917334483
3.63
1.4305e-05
3.916e-08
d
yr
n .271703461698499 2.9334e-09 deg/d
Q 3.765945304763219 2.7106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      392  
   data-arc span      7849 days (21.49 yr)  
   first obs. used      1998-11-19  
   last obs. used      2020-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48432  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-17 07:08:52  

Additional Information
 Earth MOID = .00949216 au 
 Jupiter MOID = 1.64732 au 
 T_jup = 3.279 
[ 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 18.3   n/a MPO202473  

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