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(2017 SY20)
Classification: Amor [NEO]          SPK-ID: 3782016
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5555250735326395 6.1079e-05  
a 2.353832854296966 0.00033072 au
q 1.046219684830101 3.2291e-06 au
i 5.446458944834185 0.0004279 deg
node 204.2791174541127 2.6065e-05 deg
peri 183.7790149397524 0.00023575 deg
M 8.337821608433138 0.077497 deg
tp 2459365.949947875114
(2021-May-31.44994787)
0.27751 TDB
period 1319.051819702537
3.61
0.278
0.0007611
d
yr
n .2729233185707478 5.752e-05 deg/d
Q 3.66144602376383 0.00051445 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .50314  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 19:37:42  

Additional Information
 Earth MOID = .0504264 au 
 Jupiter MOID = 1.79404 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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