+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   226094 (2002 OS15) Classification: Main-belt Asteroid          SPK-ID: 2226094 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03830992812060001 5.8457e-08   a 3.160581610775937 3.1121e-08 au q 3.03949995644782 1.78e-07 au i 13.778352131799 4.8979e-06 deg node 267.4736626603395 2.3353e-05 deg peri 344.1253170353589 8.9098e-05 deg M 161.1410682925402 9.0364e-05 deg tp 2458281.844503238259 (2018-Jun-12.34450324) 0.00050919 TDB period 2052.338254540023 5.62 3.0313e-05 8.299e-08 d yr n .1754096817148129 2.5908e-09 deg/d Q 3.281663265104053 3.2314e-08 au   Orbit Determination Parameters    # obs. used (total)      309      data-arc span      6747 days (18.47 yr)      first obs. used      2002-07-18      last obs. used      2021-01-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55494      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 13:08:06   Additional Information  Earth MOID = 2.02444 au   Jupiter MOID = 1.81168 au   T_jup = 3.159  [ hide covariance matrix ] Orbital Elements at Epoch 2457974.5 (2017-Aug-09.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04035353287897622 5.8478e-08   q 3.036070647000499 1.7965e-07 au tp 2458291.438595510808 (2018-Jun-21.93859551) 0.00048403 TDB node 267.549446431963 2.3408e-05 deg peri 345.7917327993632 8.4925e-05 deg i 13.75520028696833 4.8924e-06 deg   Orbit Determination Parameters    # obs. used (total)      309      data-arc span      6747 days (18.47 yr)      first obs. used      2002-07-18      last obs. used      2021-01-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55494      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 13:08:06   Additional Information  Jupiter MOID = 1.81168 au   T_jup = 3.159  Orbit Covariance (6×6)   e q tp node peri i e 3.419725939771775E-15 -1.037237960807824E-14 9.7417339525627E-12 3.315311404674593E-14 1.450863886771361E-12 -8.602599764677468E-16 q -1.037237960807824E-14 3.227460906499299E-14 -2.505670278500436E-11 -9.741002294131954E-14 -3.654382563196713E-12 1.369801655389228E-15 tp 9.7417339525627E-12 -2.505670278500436E-11 2.342876024354344E-7 2.243311469186898E-10 3.952641582085104E-8 -5.516850143939383E-11 node 3.315311404674593E-14 -9.741002294131954E-14 2.243311469186898E-10 5.479353372075821E-10 -4.957905953100145E-10 5.049410367190121E-12 peri 1.450863886771361E-12 -3.654382563196713E-12 3.952641582085104E-8 -4.957905953100145E-10 7.212255772129853E-9 -1.445864256042299E-11 i -8.602599764677468E-16 1.369801655389228E-15 -5.516850143939383E-11 5.049410367190121E-12 -1.445864256042299E-11 2.393551043328055E-11 [ 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 15.0   n/a MPO454623   226094 (2002 OS15)          Discovered 2002-Jul-18 by LINEAR at Socorro Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-08 16:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin