+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101032 (1998 QM80) Classification: Main-belt Asteroid          SPK-ID: 2101032 [ 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 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3233770379942911 4.7164e-08   a 2.592913452558168 1.1195e-08 au q 1.754424780494357 1.2154e-07 au i 13.92843374470738 4.8368e-06 deg node 182.551825858748 1.5639e-05 deg peri 173.8148496563394 1.6972e-05 deg M 112.115937763298 5.248e-06 deg tp 2458725.552822271453 (2019-Aug-30.05282227) 2.216e-05 TDB period 1525.037272963424 4.18 9.8762e-06 2.704e-08 d yr n .2360598041649531 1.5287e-09 deg/d Q 3.431402124621979 1.4815e-08 au   Orbit Determination Parameters    # obs. used (total)      883      data-arc span      8236 days (22.55 yr)      first obs. used      1998-08-24      last obs. used      2021-03-12      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .45308      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:34:53   Additional Information  Earth MOID = .749694 au   Jupiter MOID = 2.03153 au   T_jup = 3.303  [ 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 15.69   n/a E2021B55   diameter diameter 5.225 km 0.269 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.037   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   101032 (1998 QM80)          Discovered 1998-Aug-24 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 QM80 = 1998 UB4 = 2002 LY55  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-21 06:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin