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JPL Small-Body Database Browser
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379050 (2008 WE42)
Classification: Main-belt Asteroid          SPK-ID: 2379050
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01499231870597631 1.0046e-07  
a 3.069565409362767 8.2025e-08 au
q 3.02354550645676 3.4754e-07 au
i 4.446184722986769 1.0824e-05 deg
node 35.73778772022835 9.46e-05 deg
peri 303.7298810355242 0.00041915 deg
M 62.13983095034201 0.0004152 deg
tp 2458261.436272732621
(2018-May-22.93627273)
0.0022656 TDB
period 1964.326905134339
5.38
7.8736e-05
2.156e-07
d
yr
n .1832688841450145 7.346e-09 deg/d
Q 3.115585312268775 8.3255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      6789 days (18.59 yr)  
   first obs. used      2000-03-05  
   last obs. used      2018-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64273  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:36:09  

Additional Information
 Earth MOID = 2.0163 au 
 Jupiter MOID = 1.92327 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 16.4   n/a MPO455728  

379050 (2008 WE42)          Discovered 2008-Nov-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ 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
1917-Feb-02 23:17 00:12 Jupiter 1.94440945062951 1.94440777557524 1.94441112568953 3.71256743315117 3.59331575387538 2421262.470452053 11.8459284967936 272.071240143999 52.1583684458625 77.9832177990886 1264532.91611878 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 11:36:11 2019-Jul-14 11:36
1976-Feb-10 06:14 00:05 Jupiter 1.93804222977083 1.93804093103017 1.93804352851172 3.73909645661843 3.62032334406019 2442818.759991734 4.67799532274651 159.999640052772 50.6012126448651 82.6495624834921 1254200.91274654 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 11:36:11 2019-Jul-14 11:36
2035-Feb-16 16:07 00:03 Jupiter 1.93913938788581 1.93913811901794 1.93914065675402 3.77573707786959 3.6582214050237 2464375.171583310 2.55236495455751 137.815681188992 46.1434264996129 -79.452444113739 1243458.31895074 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 11:36:11 2019-Jul-14 11:36
2094-Feb-23 15:48 00:10 Jupiter 1.94717158996259 1.94716999652349 1.9471731834236 3.81959008690203 3.70395268325691 2485932.158465213 9.67155414517839 465.035860904457 44.5922858734707 -83.7626527054526 1326668.21316132 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 11:36:11 2019-Jul-14 11:36
2153-Mar-04 14:07 00:17 Jupiter 1.96144477048927 1.96144222722088 1.96144731386548 3.86867586326505 3.75539357219577 2507490.088442598 16.7734872230596 815.933691032173 42.4871754964166 -82.6037779242154 1430134.12226774 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 11:36:11 2019-Jul-14 11:36

Alternate Designations
 2008 WE42 = 2000 EW203 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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