+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1243562257547692 4.1881e-08   a 2.666043704981182 1.2481e-08 au q 2.334504572132461 1.1035e-07 au i 6.228157472414014 4.65e-06 deg node 25.24830633801224 3.2984e-05 deg peri 306.6243888471136 3.6985e-05 deg M 126.7337163205802 1.6927e-05 deg tp 2458640.756584793687 (2019-Jun-06.25658479) 7.3872e-05 TDB period 1590.008052510253 4.35 1.1166e-05 3.057e-08 d yr n .2264139476725565 1.59e-09 deg/d Q 2.997582837829904 1.4034e-08 au   Orbit Determination Parameters    # obs. used (total)      696      data-arc span      9964 days (27.28 yr)      first obs. used      1993-10-09      last obs. used      2021-01-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50609      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:24:35   Additional Information  Earth MOID = 1.32909 au   Jupiter MOID = 2.36563 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 15.71   n/a E2021B55   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 ] 2021-Mar-09 05:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin