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(2020 ST1)
Classification: Amor [NEO, PHA]          SPK-ID: 54054507
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5769300769013749 1.1492e-05  
a 2.454089997877996 6.8211e-05 au
q 1.038251666679349 1.1472e-06 au
i 7.961221571949116 0.00010769 deg
node 232.8938132266944 0.0002422 deg
peri 180.3280031923712 0.00032312 deg
M 316.8633397163567 0.0017983 deg
tp 2459168.758949221835
(2020-Nov-15.25894922)
2.6698e-05 TDB
period 1404.216768789332
3.84
0.058545
0.0001603
d
yr
n .2563706743869608 1.0689e-05 deg/d
Q 3.869928329076644 0.00010756 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      60 days  
   first obs. used      2020-08-27  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .44346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-26 06:51:18  

Additional Information
 Earth MOID = .0495947 au 
 Jupiter MOID = 1.52345 au 
 T_jup = 3.231 
[ 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 21.891   .52895 17 autocmod 2.8

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