+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   46421 (2002 JC33) Classification: Main-belt Asteroid          SPK-ID: 2046421 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07423522224836772 4.2967e-08   a 2.367569466257486 9.1961e-09 au q 2.191812420741412 1.0417e-07 au i 7.321655459813648 4.4008e-06 deg node 64.88240580655894 2.953e-05 deg peri 177.1188577931437 3.9322e-05 deg M 340.6166836353339 2.6198e-05 deg tp 2459072.143716360661 (2020-Aug-10.64371636) 9.6838e-05 TDB period 1330.61532942081 3.64 7.7526e-06 2.123e-08 d yr n .270551520067562 1.5763e-09 deg/d Q 2.54332651177356 9.8788e-09 au   Orbit Determination Parameters    # obs. used (total)      991      data-arc span      10605 days (29.03 yr)      first obs. used      1991-06-04      last obs. used      2020-06-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51337      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 21:40:26   Additional Information  Earth MOID = 1.17887 au   Jupiter MOID = 2.45384 au   T_jup = 3.532  [ hide covariance matrix ] Orbital Elements at Epoch 2457090.5 (2015-Mar-09.0) TDB Reference: JPL 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07501016476743044 4.2886e-08   q 2.189806834021354 1.0406e-07 au tp 2457740.122171057767 (2016-Dec-17.62217106) 9.5912e-05 TDB node 64.93317195520902 2.9536e-05 deg peri 176.8622613194502 3.9148e-05 deg i 7.321394765351955 4.3999e-06 deg   Orbit Determination Parameters    # obs. used (total)      991      data-arc span      10605 days (29.03 yr)      first obs. used      1991-06-04      last obs. used      2020-06-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51337      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 21:40:26   Additional Information  Jupiter MOID = 2.45384 au   T_jup = 3.532  Orbit Covariance (6×6)   e q tp node peri i e 1.839230521012746E-15 -4.448723621902884E-15 -1.274261505382719E-12 -1.25665812214992E-15 -2.899625685561011E-13 -2.190727252550817E-15 q -4.448723621902884E-15 1.082860849359403E-14 2.970376501228933E-12 3.268551883240048E-15 6.619513106845796E-13 5.315473666794362E-15 tp -1.274261505382719E-12 2.970376501228933E-12 9.199192059619944E-9 1.952774673503202E-12 2.471874678721942E-9 6.212249038072772E-12 node -1.25665812214992E-15 3.268551883240048E-15 1.952774673503202E-12 8.723653746449262E-10 -8.644563514099224E-10 -3.672555455130357E-11 peri -2.899625685561011E-13 6.619513106845796E-13 2.471874678721942E-9 -8.644563514099224E-10 1.532534527652745E-9 3.803055972547776E-11 i -2.190727252550817E-15 5.315473666794362E-15 6.212249038072772E-12 -3.672555455130357E-11 3.803055972547776E-11 1.93589145433509E-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 15.4   n/a MPO319639   46421 (2002 JC33)          Discovered 2002-May-09 by LINEAR at Socorro Reference: 20020822/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2002 JC33 = 1996 XE24  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-02 13:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin