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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 ]

[ hide orbit diagram ]

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.


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  

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1911-May-24 01:01 6_07:59 Jupiter 1.92878599362994 1.91783746104616 1.93979466046975 2.36516015144809 2.17156315644134 2419180.542578641 9119.26593869886 789298.632447261 30.8381256988163 40.112676309319 4857761.00928097 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 19:37:43 2021-Apr-15 19:37
1923-Dec-06 18:31 16:33 Earth 0.470356384268412 0.457773267200407 0.482942192806377 20.0647513157064 20.0644689872929 2423760.271696613 992.568279392913 630039.490655745 6.3932630512167 5.11984310684011 841885.411383386 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 19:37:43 2021-Apr-15 19:37
1952-Sep-12 20:27 9_21:29 Earth 0.241124076281868 0.127992679596424 0.354964004527143 12.9649950153853 12.9641426737535 2434268.352065366 14249.0609708234 5696510.38257841 6.15142662613497 -5.83945747258988 473784.64626409 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 19:37:43 2021-Apr-15 19:37
1988-Dec-06 00:28 6_14:23 Earth 0.459541785108762 0.344630121919529 0.574733931575082 19.7075768605229 19.7072826505686 2447501.519363554 9503.3391857241 5765042.89856158 6.30248887572397 5.46856402231218 884893.488694547 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 19:37:43 2021-Apr-15 19:37
1994-Jun-29 18:09 7_23:25 Jupiter 1.94995897419385 1.93679507375798 1.96319460107341 2.36441554076222 2.17294766035057 2449533.256475362 11484.5020464128 906555.015557413 33.9666569628509 38.0371892843235 5114764.35674503 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 19:37:43 2021-Apr-15 19:37
1999-Sep-02 16:37 4_13:19 Earth 0.411447212584956 0.341066483012386 0.481932732432923 18.0429508167888 18.0425918989974 2451424.192016148 6559.22770140966 3527446.11907672 5.78509108786443 -5.2643255040667 820263.623680336 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 19:37:43 2021-Apr-15 19:37
2017-Oct-20 10:17 < 00:01 Earth 0.0485388290403354 0.0485249073525871 0.0485527507111234 7.17758867924355 7.16993665994001 2458046.928460779 0.0385487532692794 692.740326372186 2.27654068885104 0.00260872531827593 6133.47297629723 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 19:37:43 2021-Apr-15 19:37
2035-Dec-03 21:24 4_07:50 Earth 0.415839921429322 0.34400367901597 0.487784995208652 18.1548074405032 18.1544545022343 2464665.391849398 6230.19028788642 3600559.29308938 5.85432086948184 5.28223672981072 817091.716877399 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 19:37:43 2021-Apr-15 19:37
2041-Apr-22 21:23 7_07:42 Jupiter 1.7870212797473 1.78293232963186 1.79146920776323 2.37538910547507 2.16667995467405 2466632.390837590 10542.1661829384 1342632.25535482 9.6084716137101 -80.0469586528333 6109031.81476949 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 19:37:43 2021-Apr-15 19:37
2046-Sep-03 04:34 7_03:57 Earth 0.403069947766912 0.292439707206041 0.513975563296557 17.9485138089472 17.9481455037052 2468591.690557239 10317.2038581352 5548481.29517491 5.73719339381414 -5.24119795582971 807553.744422666 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 19:37:43 2021-Apr-15 19:37
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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