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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 76 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5950752467258783 3.8862e-08  
a 2.36053470568159 1.7568e-08 au
q .9558389332931194 9.5668e-08 au
i 6.729557020312305 7.0301e-06 deg
node .1723979651867198 3.3337e-05 deg
peri 336.8536805517719 3.8843e-05 deg
M 39.31545081962673 1.6421e-05 deg
tp 2459055.831235974907
(2020-Jul-25.33123598)
5.8886e-05 TDB
period 1324.68924972963
3.63
1.4788e-05
4.049e-08
d
yr
n .27176184910799 3.0339e-09 deg/d
Q 3.765230478070062 2.8023e-08 au
  Orbit Determination Parameters
   # obs. used (total)      435  
   data-arc span      6606 days (18.09 yr)  
   first obs. used      2002-12-06  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44069  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:53:02  

Additional Information
 Earth MOID = .0103212 au 
 Jupiter MOID = 1.64866 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 18.39   n/a E2021A62  

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