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JPL Small-Body Database Browser
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(2017 SY20)
Classification: Amor [NEO]          SPK-ID: 3782016
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5557108008877351 6.1135e-05  
a 2.353007283069988 0.00032975 au
q 1.045415721300491 2.6526e-06 au
i 5.447390776122225 0.00042875 deg
node 204.3112991327611 2.7931e-05 deg
peri 183.7890469350584 0.00017711 deg
M 260.287622134588 0.054815 deg
tp 2459365.657231993406
(2021-May-31.15723199)
0.2775 TDB
period 1318.357924379875
3.61
0.27713
0.0007587
d
yr
n .2730669671283203 5.7401e-05 deg/d
Q 3.660598844839484 0.00051299 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      60 days  
   first obs. used      2017-09-29  
   last obs. used      2017-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .50243  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Dec-01 06:21:07  

Additional Information
 Earth MOID = .0503441 au 
 Jupiter MOID = 1.79265 au 
 T_jup = 3.324 
[ 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 24.2   n/a MPO428363  

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