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JPL Small-Body Database Browser
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268457 (2005 WT93)
Classification: Main-belt Asteroid          SPK-ID: 2268457
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2470972389964484 7.5797e-08  
a 3.102814831116793 4.6741e-08 au
q 2.336117853230602 2.406e-07 au
i 23.8548668040458 9.5603e-06 deg
node 281.9008014978718 2.0219e-05 deg
peri 270.52057572 2.9725e-05 deg
M 175.5054606442918 2.8688e-05 deg
tp 2458027.259108984062
(2017-Sep-30.75910898)
0.00014643 TDB
period 1996.329455958344
5.47
4.5109e-05
1.235e-07
d
yr
n .1803309563586943 4.0748e-09 deg/d
Q 3.869511809002983 5.829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      272  
   data-arc span      6335 days (17.34 yr)  
   first obs. used      2002-06-23  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55066  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:16:32  

Additional Information
 Earth MOID = 1.4772 au 
 Jupiter MOID = 1.94449 au 
 T_jup = 3.046 
[ 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 14.5   n/a MPO454994  

268457 (2005 WT93)          Discovered 2005-Nov-25 by NEAT at Palomar
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ 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
1997-Mar-16 04:53 00:01 Jupiter 1.99923396330403 1.99923283453014 1.99923509208224 7.08245440098666 7.02237945975387 2450523.703629730 1.07318113962989 230.586865506943 41.3336953275913 80.6562076900392 1968518.2128441 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 04:16:34 2019-Nov-08 04:16
2059-Nov-20 22:10 00:03 Jupiter 1.96860665079005 1.96860451327259 1.9686087883423 6.33425594286604 6.26596108948357 2473418.423577093 2.84268573912199 584.778090205328 71.6946477417359 -82.2380316650861 1348330.32922347 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 04:16:34 2019-Nov-08 04:16
2068-Jul-26 21:25 00:03 Jupiter 1.97273279643514 1.97273172277249 1.9727338701071 6.86619493562229 6.80337436820389 2476589.392256192 3.22094732337534 475.153879235873 46.9523377787071 87.1956809996914 1827084.24022203 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 04:16:34 2019-Nov-08 04:16
2131-Apr-05 16:31 00:07 Jupiter 1.91559620094808 1.91559394370409 1.9155984586935 6.57678971979557 6.50921036128405 2499486.188312862 6.91981469496685 1969.14488693481 66.8539599896563 -87.3088504378221 1456479.28987327 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 04:16:34 2019-Nov-08 04:16
2139-Dec-08 05:35 00:08 Jupiter 1.97857993161857 1.97857877334947 1.97858108992254 6.62560780929543 6.56067728800016 2502654.732885027 7.64290485289457 1035.52859034157 52.5165302439092 -88.4550257621073 1618522.87252599 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 04:16:34 2019-Nov-08 04:16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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