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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 ]

[ 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458055.5 (2017-Oct-29.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5566127610725241 6.0493e-05  
q 1.043761541267127 4.6276e-06 au
tp 2458048.149968762576
(2017-Oct-21.64996876)
0.00019039 TDB
node 204.3345718976893 5.3234e-05 deg
peri 183.8024123042752 0.00017097 deg
i 5.453509729911072 0.00042417 deg
  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
 Jupiter MOID = 1.79404 au 
 T_jup = 3.324 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.659346600900696E-9 2.799315096798436E-10 -1.148353067662019E-8 -3.166542708181486E-9 -1.028902271451047E-8 2.565772838717654E-8
q 2.799315096798436E-10 2.141484980114433E-11 -8.78320186565344E-10 -2.422404091897018E-10 -7.869199605371415E-10 1.962766242946124E-9
tp -1.148353067662019E-8 -8.78320186565344E-10 3.624937207722805E-8 9.960947058414559E-9 3.249890541906818E-8 -8.052652034032395E-8
node -3.166542708181486E-9 -2.422404091897018E-10 9.960947058414559E-9 2.833908612282587E-9 8.835116345031089E-9 -2.219147262953739E-8
peri -1.028902271451047E-8 -7.869199605371415E-10 3.249890541906818E-8 8.835116345031089E-9 2.923205781970486E-8 -7.216284832826702E-8
i 2.565772838717654E-8 1.962766242946124E-9 -8.052652034032395E-8 -2.219147262953739E-8 -7.216284832826702E-8 1.799162174351949E-7

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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