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233691 (2008 SX9)
Classification: Main-belt Asteroid          SPK-ID: 2233691
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07985631225097158 4.9972e-08  
a 3.005707196421812 3.4585e-08 au
q 2.76568250400936 1.5033e-07 au
i 2.973890851963868 5.5011e-06 deg
node 201.20625371037 0.00010857 deg
peri 103.9608747923479 0.00011425 deg
M 131.5123049333646 3.621e-05 deg
tp 2458305.183841267541
(2018-Jul-05.68384127)
0.0001916 TDB
period 1903.349023275927
5.21
3.2851e-05
8.994e-08
d
yr
n .1891402972327116 3.2645e-09 deg/d
Q 3.245731888834265 3.7346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      8088 days (22.14 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59777  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:04:44  

Additional Information
 Earth MOID = 1.75261 au 
 Jupiter MOID = 1.93374 au 
 T_jup = 3.244 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO454690  

233691 (2008 SX9)          Discovered 2008-Sep-22 by LINEAR at Socorro
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ 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
1905-Mar-24 16:25 00:06 Jupiter 1.97069088102813 1.97068999204103 1.97069177002543 3.61616878460919 3.49529066209195 2416929.184351519 5.63792978435432 272.297695941607 18.283570696419 -84.4936763340237 2910278.25178019 T 17 CATAB v2.0f-lin.ifort 2020-Dec-18 00:04:45 2020-Dec-18 00:04
1942-Jun-22 01:55 00:04 Jupiter 1.94816798220565 1.94816718376395 1.94816878064735 2.9475434816092 2.79614995799662 2430532.579802781 3.78863878472375 60.3288172982713 29.3477572552607 65.6703182264533 2691438.47180441 T 17 CATAB v2.0f-lin.ifort 2020-Dec-18 00:04:45 2020-Dec-18 00:04
1988-Oct-26 10:08 00:01 Jupiter 1.93788230638127 1.93788183919844 1.93788277356398 3.33073864435662 3.19681819714805 2447460.922068866 1.36818645393353 69.20458791128 16.9585396132514 85.9681382565776 2830964.88661326 T 17 CATAB v2.0f-lin.ifort 2020-Dec-18 00:04:45 2020-Dec-18 00:04
2026-Jan-27 14:36 < 00:01 Jupiter 1.99954495741407 1.99954448700057 1.99954542782756 2.93520221296718 2.78714849903687 2461068.107998833 0.631835470684721 53.5498425539052 13.4552717207639 83.6928158809121 2794393.74278273 T 17 CATAB v2.0f-lin.ifort 2020-Dec-18 00:04:45 2020-Dec-18 00:04
2072-Jun-02 10:20 00:03 Jupiter 1.93463244237899 1.93463195768374 1.93463292707413 3.10588974091872 2.96157209671991 2477995.930698310 3.00800516353063 87.4121993020956 15.4994916584021 87.6030493970795 2441874.91694091 T 17 CATAB v2.0f-lin.ifort 2020-Dec-18 00:04:45 2020-Dec-18 00:04
2118-Oct-12 00:54 00:05 Jupiter 1.98661968323348 1.98661849158206 1.98662087489507 3.70626933166628 3.5893878254789 2494927.537294093 5.29847856690822 257.602180597579 19.3175313604707 -80.8381102691785 2864719.85791125 T 17 CATAB v2.0f-lin.ifort 2020-Dec-18 00:04:45 2020-Dec-18 00:04
2156-Jan-09 17:40 00:07 Jupiter 1.95826730502719 1.9582665819438 1.95826802811091 2.96499099094843 2.81533268684561 2508531.235880062 7.3879950257227 73.6753894195444 27.4876633865598 61.8008654023941 2319228.24016719 T 17 CATAB v2.0f-lin.ifort 2020-Dec-18 00:04:45 2020-Dec-18 00:04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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