+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   48963 (1998 QJ33) Classification: Main-belt Asteroid          SPK-ID: 2048963 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1312542711736538 3.4216e-08   a 2.319976582516102 8.2674e-09 au q 2.015469747038007 8.1158e-08 au i 6.124471235957326 4.3856e-06 deg node 303.9569563930924 3.5111e-05 deg peri 65.14266809157475 3.907e-05 deg M 31.10730989471504 1.7778e-05 deg tp 2458888.972033527695 (2020-Feb-09.47203353) 6.3608e-05 TDB period 1290.695597463122 3.53 6.8992e-06 1.889e-08 d yr n .2789193677483556 1.4909e-09 deg/d Q 2.624483417994198 9.3525e-09 au   Orbit Determination Parameters    # obs. used (total)      1226      data-arc span      15729 days (43.06 yr)      first obs. used      1977-10-07      last obs. used      2020-10-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53012      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 23:34:59   Additional Information  Earth MOID = 1.02303 au   Jupiter MOID = 2.85622 au   T_jup = 3.559  [ hide covariance matrix ] Orbital Elements at Epoch 2456952.5 (2014-Oct-22.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1324764900958378 3.4288e-08   q 2.012273800882648 8.1423e-08 au tp 2456307.612504272954 (2013-Jan-15.11250427) 6.1159e-05 TDB node 304.0495761441413 3.5148e-05 deg peri 65.04884568219656 3.9005e-05 deg i 6.121978051289682 4.3837e-06 deg   Orbit Determination Parameters    # obs. used (total)      1226      data-arc span      15729 days (43.06 yr)      first obs. used      1977-10-07      last obs. used      2020-10-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53012      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 23:34:59   Additional Information  Jupiter MOID = 2.85622 au   T_jup = 3.559  Orbit Covariance (6×6)   e q tp node peri i e 1.175654369249039E-15 -2.781364231950945E-15 -2.741393346898605E-13 2.053877004554054E-15 -6.634068227179069E-14 3.412096208578108E-16 q -2.781364231950945E-15 6.629708703018859E-15 6.355484961029376E-13 -5.294752616855397E-15 1.58938932203664E-13 -7.392406434344388E-16 tp -2.741393346898605E-13 6.355484961029376E-13 3.74038621157986E-9 -4.219019682417231E-12 1.044829329024875E-9 2.62536712220268E-13 node 2.053877004554054E-15 -5.294752616855397E-15 -4.219019682417231E-12 1.235400198288564E-9 -1.228967609736197E-9 -1.162742935002838E-11 peri -6.634068227179069E-14 1.58938932203664E-13 1.044829329024875E-9 -1.228967609736197E-9 1.521380198638499E-9 1.161899699363086E-11 i 3.412096208578108E-16 -7.392406434344388E-16 2.62536712220268E-13 -1.162742935002838E-11 1.161899699363086E-11 1.921722955318295E-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 MPO439426   48963 (1998 QJ33)          Discovered 1998-Aug-17 by LINEAR at Socorro Reference: 20021120/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1998 QJ33 = 1117 T-3  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Nov-28 00:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin