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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 76 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5950916172604929 3.8832e-08  
a 2.36092728526635 1.7579e-08 au
q .9559592488427727 9.5606e-08 au
i 6.729816844260581 7.0303e-06 deg
node .1662376605778353 3.3331e-05 deg
peri 336.8719972116288 3.8836e-05 deg
M 92.55314889291918 1.6986e-05 deg
tp 2459055.847922187735
(2020-Jul-25.34792219)
5.8887e-05 TDB
period 1325.019726279647
3.63
1.4799e-05
4.052e-08
d
yr
n .2716940682919474 3.0345e-09 deg/d
Q 3.765895321689927 2.804e-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 = .00989592 au 
 Jupiter MOID = 1.64814 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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