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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .556060417562818 6.0646e-05  
a 2.352186566919128 0.00033084 au
q 1.044228722332426 4.2234e-06 au
i 5.449954209638226 0.00042526 deg
node 204.3197687710076 4.9669e-05 deg
peri 183.8183253616602 0.00018494 deg
M 150.9445569227015 0.031807 deg
tp 2458048.014313303887
(2017-Oct-21.51431330)
0.00014582 TDB
period 1317.668230411612
3.61
0.278
0.0007611
d
yr
n .2732098958533315 5.7642e-05 deg/d
Q 3.66014441150583 0.00051481 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 = .0484721 au 
 Jupiter MOID = 1.79029 au 
 T_jup = 3.325 
[ 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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