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JPL Small-Body Database Browser
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(2017 SE20)
Classification: Aten [NEO]          SPK-ID: 3781990
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3701651471407527 0.00057919  
a .7546940822792142 0.00026545 au
q .4753326362660735 0.0006043 au
i 7.321797846735301 0.016695 deg
node 4.678703571535476 0.00014438 deg
peri 192.2677386079412 0.0027753 deg
M 301.3187908659667 0.42477 deg
tp 2458639.534749525663
(2019-Jun-05.03474953)
0.30315 TDB
period 239.4720565000845
0.66
0.12634
0.0003459
d
yr
n 1.503306921322877 0.00079314 deg/d
Q 1.034055528292355 0.00036371 au
  Orbit Determination Parameters
   # obs. used (total)      23  
   data-arc span      4 days  
   first obs. used      2017-09-26  
   last obs. used      2017-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .47895  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Sep-30 12:12:06  

Additional Information
 Earth MOID = .011241 au 
 Jupiter MOID = 3.92365 au 
 T_jup = 7.596 
[ 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 27.9   n/a MPO416698  

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