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(2011 ST232)
Classification: Amor [NEO]          SPK-ID: 3580959
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4560791047070771 4.015e-08  
a 2.129886948755466 6.2501e-08 au
q 1.158490016039785 7.9902e-08 au
i 2.133008249548145 5.2428e-06 deg
node 332.3364795360484 4.6764e-05 deg
peri 337.4851664850221 5.7622e-05 deg
M 314.380195324886 2.536e-05 deg
tp 2459144.374615530482
(2020-Oct-21.87461553)
8.5786e-05 TDB
period 1135.359126586265
3.11
4.9975e-05
1.368e-07
d
yr
n .3170802890204688 1.3957e-08 deg/d
Q 3.101283881471147 9.1006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      2031 days (5.56 yr)  
   first obs. used      2011-09-29  
   last obs. used      2017-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39385  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-21 06:19:36  

Additional Information
 Earth MOID = .144892 au 
 Jupiter MOID = 2.19816 au 
 T_jup = 3.581 
[ 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 21.4   n/a MPO409394  

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