+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100953 (1998 QB6) Classification: Main-belt Asteroid          SPK-ID: 2100953 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1876980554086801 3.4341e-08   a 2.645981190750049 1.2236e-08 au q 2.149335666598321 9.1637e-08 au i 3.366514500520339 4.0588e-06 deg node 199.8035498763556 6.98e-05 deg peri 186.8151343102012 7.0856e-05 deg M 58.45002462745962 1.221e-05 deg tp 2458945.252937025610 (2020-Apr-05.75293703) 5.2709e-05 TDB period 1572.094165168434 4.30 1.0905e-05 2.986e-08 d yr n .2289939165071766 1.5884e-09 deg/d Q 3.142626714901777 1.4532e-08 au   Orbit Determination Parameters    # obs. used (total)      656      data-arc span      8209 days (22.48 yr)      first obs. used      1998-08-24      last obs. used      2021-02-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51639      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:34:31   Additional Information  Earth MOID = 1.15249 au   Jupiter MOID = 2.30796 au   T_jup = 3.365  [ hide covariance matrix ] Orbital Elements at Epoch 2457579.5 (2016-Jul-10.0) TDB Reference: JPL 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1893379168839483 3.4838e-08   q 2.143785535682781 9.3248e-08 au tp 2457368.700394326214 (2015-Dec-12.20039433) 4.8533e-05 TDB node 199.8818563207545 6.9644e-05 deg peri 185.8593259829217 7.066e-05 deg i 3.368628954277948 4.0708e-06 deg   Orbit Determination Parameters    # obs. used (total)      656      data-arc span      8209 days (22.48 yr)      first obs. used      1998-08-24      last obs. used      2021-02-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51639      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:34:31   Additional Information  Jupiter MOID = 2.30796 au   T_jup = 3.365  Orbit Covariance (6×6)   e q tp node peri i e 1.213681024492534E-15 -3.230032392786846E-15 -5.519291155063073E-13 -7.797443621284214E-15 -1.106816792477376E-13 -6.692050056250655E-16 q -3.230032392786846E-15 8.695272722999643E-15 1.543927778176814E-12 2.171181428351931E-14 3.146783007731481E-13 1.869485284673003E-15 tp -5.519291155063073E-13 1.543927778176814E-12 2.355409264833538E-9 7.958082869138845E-12 5.973392897830504E-10 8.724324911812859E-13 node -7.797443621284214E-15 2.171181428351931E-14 7.958082869138845E-12 4.850305744574386E-9 -4.839556810817639E-9 -9.026591537097597E-11 peri -1.106816792477376E-13 3.146783007731481E-13 5.973392897830504E-10 -4.839556810817639E-9 4.992830425325715E-9 9.03355488608412E-11 i -6.692050056250655E-16 1.869485284673003E-15 8.724324911812859E-13 -9.026591537097597E-11 9.03355488608412E-11 1.657109749396119E-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 15.9   n/a MPO439690   100953 (1998 QB6)          Discovered 1998-Aug-24 by ODAS at Caussols Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 QB6 = 2002 RY37  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-22 19:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin