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233942 (2009 WH6)
Classification: Main-belt Asteroid          SPK-ID: 2233942
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09859294391717967 4.8035e-08  
a 3.0202500122702 3.5035e-08 au
q 2.722474672194583 1.5003e-07 au
i 7.655519979122261 5.012e-06 deg
node 210.0615269458947 3.4763e-05 deg
peri 281.6989894245232 4.4569e-05 deg
M 18.4226278583142 2.7163e-05 deg
tp 2459298.390322623905
(2021-Mar-24.89032262)
0.00014412 TDB
period 1917.179466850832
5.25
3.3359e-05
9.133e-08
d
yr
n .1877758479185768 3.2673e-09 deg/d
Q 3.318025352345817 3.8489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      6390 days (17.49 yr)  
   first obs. used      2003-09-20  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51383  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:57:21  

Additional Information
 Earth MOID = 1.7504 au 
 Jupiter MOID = 1.78048 au 
 T_jup = 3.226 
[ 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 15.87   n/a MPCxxxxx  

233942 (2009 WH6)          Discovered 2009-Nov-18 by Lowe, A. at Mayhill
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
1903-Aug-20 09:07 00:06 Jupiter 1.80425105217535 1.80425045517687 1.80425164917794 2.71242375247762 2.53344112418267 2416346.879555026 6.43897764553954 384.832291293121 19.3586026784261 -83.0631601485637 1916491.88113086 T 24 CATAB v2.0g-lin.ifort 2021-May-04 10:57:23 2021-May-04 10:57
1950-Sep-25 08:55 00:04 Jupiter 1.80585088245182 1.80585029535873 1.80585146954593 2.43878983336915 2.23821557722419 2433549.871488869 3.82218404302932 201.769551266954 18.980729966533 -76.2176668027725 1873804.5055266 T 24 CATAB v2.0g-lin.ifort 2021-May-04 10:57:23 2021-May-04 10:57
1997-Oct-28 04:22 00:01 Jupiter 1.8342166145936 1.83421607683032 1.83421715235688 2.28782534446365 2.07619007327801 2450749.681702506 1.16076216175159 69.977799905579 13.4320368633851 -75.874790267534 2082086.38829475 T 24 CATAB v2.0g-lin.ifort 2021-May-04 10:57:23 2021-May-04 10:57
2035-Sep-29 16:56 < 00:01 Jupiter 1.99654085343983 1.99654033593078 1.99654137094899 4.22374943299468 4.122083118509 2464600.205295814 0.954706395944606 70.8806556002537 19.965221060431 80.5223411100328 3312970.86607544 T 24 CATAB v2.0g-lin.ifort 2021-May-04 10:57:23 2021-May-04 10:57
2044-Nov-27 22:55 00:02 Jupiter 1.87538831127567 1.87538763093805 1.87538899161361 2.28159604095343 2.0742171750187 2467947.454906232 1.61547849246256 70.7278584170367 3.18986113339692 -71.3753995230519 2298418.48221663 T 24 CATAB v2.0g-lin.ifort 2021-May-04 10:57:23 2021-May-04 10:57
2082-Nov-12 05:49 00:03 Jupiter 1.91665819605056 1.91665694853471 1.91665944357512 3.89519708691857 3.78004059012067 2481810.742614967 3.40403897374453 234.92204056591 21.1282803594984 78.0037145899556 2837312.65735336 T 24 CATAB v2.0g-lin.ifort 2021-May-04 10:57:23 2021-May-04 10:57
2091-Dec-30 03:51 00:04 Jupiter 1.92292711154449 1.9229257257048 1.92292849738494 2.42296825362179 2.2337867214671 2485145.660323553 4.2471451943589 109.048067187887 8.90943545448514 -74.1112064689012 1875847.51649147 T 24 CATAB v2.0g-lin.ifort 2021-May-04 10:57:23 2021-May-04 10:57
2129-Dec-24 11:16 00:06 Jupiter 1.84779009186732 1.8477884712849 1.8477917124823 3.56416603114932 3.43314496235508 2499018.969102390 5.90131511552895 423.836547976115 20.960375474933 82.3448314776619 2513716.30163871 T 24 CATAB v2.0g-lin.ifort 2021-May-04 10:57:23 2021-May-04 10:57
2139-Feb-02 10:20 00:07 Jupiter 1.98581314532976 1.98581077595424 1.98581551470302 2.71289020226944 2.5508233027674 2502345.930329791 6.7053529647268 78.9555862150583 30.2063885970922 -48.2373497552485 668002.756945815 T 24 CATAB v2.0g-lin.ifort 2021-May-04 10:57:23 2021-May-04 10:57
2177-Feb-04 00:19 00:08 Jupiter 1.80641604789329 1.80641467001828 1.8064174258331 3.26437500311157 3.11742694779515 2516227.513159389 8.43422591591698 603.623918599676 20.6063968976976 87.5759501560156 2275383.81606586 T 24 CATAB v2.0g-lin.ifort 2021-May-04 10:57:23 2021-May-04 10:57

Alternate Designations
 2009 WH6 = 2008 RC51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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