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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09852667921204396 4.9343e-08  
a 3.019666737942003 4.1439e-08 au
q 2.722149001925513 1.518e-07 au
i 7.655991410324782 5.3725e-06 deg
node 210.0777512367632 3.6763e-05 deg
peri 281.8672141886009 4.7429e-05 deg
M 303.8975903508307 3.0194e-05 deg
tp 2459299.186754489040
(2021-Mar-25.68675449)
0.00016354 TDB
period 1916.624121645846
5.25
3.9453e-05
1.08e-07
d
yr
n .18783025630026 3.8664e-09 deg/d
Q 3.317184473958495 4.5522e-08 au
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      5913 days (16.19 yr)  
   first obs. used      2003-09-20  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54383  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:01:08  

Additional Information
 Earth MOID = 1.74943 au 
 Jupiter MOID = 1.78207 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 15.7   n/a MPO413119  

233942 (2009 WH6)          Discovered 2009-Nov-18 by Lowe, A. at Mayhill
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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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 09:06 00:08 Jupiter 1.80425103892217 1.80425037510147 1.80425170275395 2.71242304239513 2.53344036154939 2416346.879263576 7.67613747314644 460.041618463969 20.252358532182 -83.2905779169329 1812547.85297144 T 18 CATAB v2.0f-lin.ifort 2019-Dec-14 16:01:10 2019-Dec-14 16:01
1950-Sep-25 08:55 00:05 Jupiter 1.80585090850767 1.80585031451809 1.80585150249839 2.43878996339418 2.23821572076721 2433549.871576439 4.55248039314576 240.872372639354 20.1102041384308 -76.4193376053419 1770772.82457504 T 18 CATAB v2.0f-lin.ifort 2019-Dec-14 16:01:10 2019-Dec-14 16:01
1997-Oct-28 04:22 00:01 Jupiter 1.83421667399998 1.83421612287567 1.83421722512418 2.28782526541435 2.0761899921459 2450749.681769443 1.37013774511 80.0496076235329 14.2404749056003 -76.1919227484636 1985830.83884239 T 18 CATAB v2.0f-lin.ifort 2019-Dec-14 16:01:10 2019-Dec-14 16:01
2035-Sep-29 16:55 00:01 Jupiter 1.9965407075209 1.99654016784305 1.99654124719909 4.22374949061625 4.12208316946117 2464600.205137114 1.16409164176475 83.5027151790157 20.7205991207592 81.4712253942033 3196164.74498859 T 18 CATAB v2.0f-lin.ifort 2019-Dec-14 16:01:10 2019-Dec-14 16:01
2044-Nov-27 22:55 00:02 Jupiter 1.8753885584313 1.87538776957752 1.8753893472855 2.28159621739841 2.07421739659812 2467947.454597025 1.92040550512956 79.1318429666947 3.3151917208037 -71.4246833269465 2168050.3730158 T 18 CATAB v2.0f-lin.ifort 2019-Dec-14 16:01:10 2019-Dec-14 16:01
2082-Nov-12 05:48 00:04 Jupiter 1.91665777456918 1.91665636414792 1.9166591850034 3.89519596598689 3.78003940868551 2481810.741879931 4.08496190000318 280.812959707991 22.0317881800197 78.4972781562759 2733206.40250837 T 18 CATAB v2.0f-lin.ifort 2019-Dec-14 16:01:10 2019-Dec-14 16:01
2091-Dec-30 03:49 00:05 Jupiter 1.92292763787991 1.92292598257639 1.92292929318442 2.42296977545913 2.2337884250755 2485145.659367473 5.06137736111318 126.450914715034 9.48224094688606 -74.0079650310113 1740947.93499176 T 18 CATAB v2.0f-lin.ifort 2019-Dec-14 16:01:10 2019-Dec-14 16:01
2129-Dec-24 11:14 00:07 Jupiter 1.84778954485217 1.84778769930171 1.84779139045011 3.56416361551978 3.4331424142715 2499018.967833769 7.06014946830808 505.81208971405 21.8174014278679 82.6536317904308 2412662.7005183 T 18 CATAB v2.0f-lin.ifort 2019-Dec-14 16:01:10 2019-Dec-14 16:01
2139-Feb-02 10:18 00:08 Jupiter 1.98581394312794 1.98581112119906 1.98581676505366 2.71289387220966 2.55082727213212 2502345.928908127 7.99250155359768 90.8824527118717 32.6911747529098 -45.7261720623674 582363.023320735 T 18 CATAB v2.0f-lin.ifort 2019-Dec-14 16:01:10 2019-Dec-14 16:01
2177-Feb-04 00:17 00:10 Jupiter 1.80641564836748 1.80641410480969 1.80641719202004 3.26437183066642 3.11742359171083 2516227.511466967 10.0786366237617 719.541216070808 21.416664263777 87.7968673436513 2174785.18787741 T 18 CATAB v2.0f-lin.ifort 2019-Dec-14 16:01:10 2019-Dec-14 16:01

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