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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07985633297785842 5.003e-08  
a 3.005707191120837 3.5986e-08 au
q 2.765682436832748 1.5035e-07 au
i 2.973898196564541 5.649e-06 deg
node 201.2062195718701 0.00010859 deg
peri 103.9609000838313 0.00011462 deg
M 131.5123116037236 3.6849e-05 deg
tp 2458305.183807840242
(2018-Jul-05.68380784)
0.00019565 TDB
period 1903.349018240702
5.21
3.4182e-05
9.359e-08
d
yr
n .1891402977330737 3.3968e-09 deg/d
Q 3.245731945408926 3.886e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      7714 days (21.12 yr)  
   first obs. used      1998-09-25  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60743  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:54:10  

Additional Information
 Earth MOID = 1.7526 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 16:26 00:06 Jupiter 1.97069079450489 1.97068989690231 1.97069169211845 3.61616865140232 3.49529051887944 2416929.184572947 5.86481346025355 282.960331074864 18.5987768735319 -84.688053030366 2861536.09494692 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 17:54:12 2019-Dec-04 17:54
1942-Jun-22 01:55 00:04 Jupiter 1.948167996964 1.94816716245831 1.9481688314698 2.9475431231552 2.79614958131257 2430532.579957213 3.93322816841328 62.2697152231598 30.5001636155991 64.9689873208358 2659261.86786048 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 17:54:12 2019-Dec-04 17:54
1988-Oct-26 10:08 00:01 Jupiter 1.93788226245262 1.93788178139006 1.93788274351507 3.33073862347942 3.19681817229692 2447460.922136306 1.41507472952777 70.8207693484161 17.3959315111966 85.3574139855229 2782161.95577293 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 17:54:12 2019-Dec-04 17:54
2026-Jan-27 14:36 < 00:01 Jupiter 1.99954495884734 1.99954448580827 1.99954543188629 2.93520181221676 2.78714807710746 2461068.108013578 0.670355510297271 54.9741713965498 13.4603648681594 83.6189369915998 2777180.1476155 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 17:54:12 2019-Dec-04 17:54
2072-Jun-02 10:20 00:03 Jupiter 1.93463241508736 1.93463191551886 1.93463291465586 3.10588968513776 2.96157203613526 2477995.930606734 3.14443125635833 90.8399953215 15.7368467412015 88.0754291404101 2373720.31803535 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 17:54:12 2019-Dec-04 17:54
2118-Oct-12 00:53 00:06 Jupiter 1.9866196987195 1.98661843610848 1.98662096134181 3.70626990068298 3.58938841395048 2494927.537114845 5.52568306917667 268.445420063603 19.6759014842727 -80.6027543027806 2803725.86142715 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 17:54:12 2019-Dec-04 17:54
2156-Jan-09 17:39 00:08 Jupiter 1.9582672590586 1.95826652868189 1.95826798943564 2.96499075782695 2.81533243772531 2508531.235643174 7.70753222338034 76.2205705867322 27.9715663380716 61.8892403303209 2251754.58831136 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 17:54:12 2019-Dec-04 17:54
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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