+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   19719 Glasser (1999 VB9) Classification: Main-belt Asteroid          SPK-ID: 2019719 [ 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 35 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3287402653313704 1.7265e-08   a 2.92772272356632 9.7436e-09 au q 1.965262378604446 5.1255e-08 au i 13.26232143830588 4.0903e-07 deg node 150.4126749819101 1.5707e-06 deg peri 261.0635282270126 4.6606e-06 deg M 65.28296545304596 3.1417e-06 deg tp 2458868.689049026494 (2020-Jan-20.18904903) 1.4678e-05 TDB period 1829.756683408887 5.01 9.1343e-06 2.501e-08 d yr n .1967474709966956 9.8218e-10 deg/d Q 3.890183068528195 1.2947e-08 au   Orbit Determination Parameters    # obs. used (total)      2042      data-arc span      23746 days (65.01 yr)      first obs. used      1956-03-10      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48636      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 03:04:01   Additional Information  Earth MOID = 1.02494 au   Jupiter MOID = 1.79537 au   T_jup = 3.156  [ 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 13.26   n/a E2021B10   diameter diameter 13.519 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.029   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   19719 Glasser           Discovered 1999 Nov. 9 by C. W. Juels at Fountain Hills. William Glasser (b. 1925) is a psychiatrist who developed the concepts of Choice Theory and Reality Therapy. Recent publications that emphasize promoting mental health include Choice Theory (1998), Every Student Can Succeed (2000) and Counseling with Choice Theory (2001). NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20020526/MPCPages.arc Last Updated: 2003-10-02 [ show close-approach data ] Alternate Designations  1999 VB9 = 1974 VP2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-19 00:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin