+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   19096 Leonfridman (1979 TY1) Classification: Main-belt Asteroid          SPK-ID: 2019096 [ 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 .1489925853978565 2.3227e-08   a 2.29399815671257 7.6039e-09 au q 1.952209440446047 5.3529e-08 au i 8.496087066521341 7.1485e-07 deg node 32.98947250985676 6.1112e-06 deg peri 31.42942439942391 8.8045e-06 deg M 278.3978925890369 5.4317e-06 deg tp 2459488.164915845944 (2021-Sep-30.66491585) 2.022e-05 TDB period 1269.07714751772 3.47 6.3099e-06 1.728e-08 d yr n .2836706978012724 1.4104e-09 deg/d Q 2.635786872979093 8.7368e-09 au   Orbit Determination Parameters    # obs. used (total)      1956      data-arc span      25273 days (69.19 yr)      first obs. used      1951-09-01      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4621      source      ORB      producer      Otto Matic      solution date      2021-Mar-17 02:08:39   Additional Information  Earth MOID = .96938 au   Jupiter MOID = 2.69652 au   T_jup = 3.567  [ 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 13.88   n/a E2021B10   diameter diameter 4.347 km 0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.339   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   19096 Leonfridman           Discovered 1979 Oct. 14 by N. S. Chernykh at the Crimean Astrophysical Observatory. Architect Leonid Osherovich Fridman (b. 1948) is director of the Crimean Institute of Design, Architect and Restoration. He has been instrumental in preserving and restoring many old historical buildings and monuments in the Crimea. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20020624/MPCPages.arc Last Updated: 2003-10-02 [ show close-approach data ] Alternate Designations  1979 TY1 = 1979 UT1 = 1986 VJ6 = 1986 XB1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-12 20:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin