+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3232849677491684 4.7887e-08   a 2.592686379171619 1.1668e-08 au q 1.754509846697414 1.2382e-07 au i 13.92748648634351 5.4577e-06 deg node 182.5601438102067 1.7542e-05 deg peri 173.7931694644396 1.9379e-05 deg M 64.92936476455044 5.9742e-06 deg tp 2458725.481404880996 (2019-Aug-29.98140488) 2.5574e-05 TDB period 1524.83694553094 4.17 1.0294e-05 2.818e-08 d yr n .2360908168280575 1.5937e-09 deg/d Q 3.430862911645825 1.544e-08 au   Orbit Determination Parameters    # obs. used (total)      816      data-arc span      7847 days (21.48 yr)      first obs. used      1998-08-24      last obs. used      2020-02-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .45713      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:02:50   Additional Information  Earth MOID = .751424 au   Jupiter MOID = 2.03113 au   T_jup = 3.304  [ 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 15.6   n/a MPO502724   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 ] 2020-Nov-28 12:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin