+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100152 (1993 TN19) Classification: Main-belt Asteroid          SPK-ID: 2100152 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1243356751624654 4.3735e-08   a 2.665553829572949 1.2951e-08 au q 2.334130394491101 1.1627e-07 au i 6.228579783924484 5.6733e-06 deg node 25.25589763885631 3.3131e-05 deg peri 306.5272885508021 3.8613e-05 deg M 81.54529526211373 1.8971e-05 deg tp 2458640.439051127249 (2019-Jun-05.93905113) 8.3612e-05 TDB period 1589.569835728011 4.35 1.1584e-05 3.172e-08 d yr n .226476366063604 1.6505e-09 deg/d Q 2.996977264654796 1.4561e-08 au   Orbit Determination Parameters    # obs. used (total)      607      data-arc span      9613 days (26.32 yr)      first obs. used      1993-10-09      last obs. used      2020-02-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52436      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 01:01:30   Additional Information  Earth MOID = 1.3306 au   Jupiter MOID = 2.36609 au   T_jup = 3.364  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.6   n/a MPO449609   diameter diameter 4.645 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.052   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   100152 (1993 TN19)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 Alternate Designations  1993 TN19 = 2002 VR100  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-20 14:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin