+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100164 (1993 TV38) Classification: Main-belt Asteroid          SPK-ID: 2100164 [ 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 .2444216747220006 4.8987e-08   a 2.617303196175627 1.8769e-08 au q 1.977577565711136 1.3484e-07 au i 9.674732163941137 5.2123e-06 deg node 181.4615728694436 2.1394e-05 deg peri 165.3707940021773 2.3182e-05 deg M 129.8543554711443 7.5278e-06 deg tp 2458442.629366829462 (2018-Nov-20.12936683) 3.0786e-05 TDB period 1546.605250264572 4.23 1.6636e-05 4.555e-08 d yr n .2327678636409751 2.5038e-09 deg/d Q 3.25702882664012 2.3356e-08 au   Orbit Determination Parameters    # obs. used (total)      622      data-arc span      9607 days (26.30 yr)      first obs. used      1993-10-09      last obs. used      2020-01-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56654      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 09:02:24   Additional Information  Earth MOID = .972911 au   Jupiter MOID = 2.19251 au   T_jup = 3.344  [ 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 15.4   n/a MPO449609   diameter diameter 1.928 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.329   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   100164 (1993 TV38)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1993 TV38 = 2004 FZ107  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-21 02:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin