+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   13499 Steinberg (1986 TQ5) Classification: Outer Main-belt Asteroid          SPK-ID: 2013499 [ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1898281866019742 2.9679e-08   a 3.214101323721694 1.2482e-08 au q 2.6039742978846 9.741e-08 au i 1.920574764093782 3.4928e-06 deg node 144.6871231254632 8.4567e-05 deg peri 217.4370587154455 8.5086e-05 deg M 329.1653433906744 8.0205e-06 deg tp 2459180.770385669974 (2020-Nov-27.27038567) 4.7001e-05 TDB period 2104.688229982205 5.76 1.2261e-05 3.357e-08 d yr n .1710467112761132 9.9642e-10 deg/d Q 3.824228349558788 1.4852e-08 au   Orbit Determination Parameters    # obs. used (total)      1809      data-arc span      12463 days (34.12 yr)      first obs. used      1986-10-01      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48324      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:53:22   Additional Information  Earth MOID = 1.60164 au   Jupiter MOID = 1.63168 au   T_jup = 3.161  [ 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 13.6   n/a MPO309257   diameter diameter 9.366 km 0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.080   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   13499 Steinberg           Discovered 1986 Oct. 1 at Caussols. Jean Louis Steinberg (b. 1922) is a co-founder of the Nançay Radio Observatory and Astronomy and Astrophysics. He was among the first in France to launch space-astronomy missions using sounding rockets and satellites to study the physics of ionospheric plasma and the terrestrial magnetosphere. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20000523/MPCPages.arc Last Updated: 2013-03-29 [ show close-approach data ] Alternate Designations  1986 TQ5 = 1986 UB2 = 1991 NX5 = 1997 OS = 1998 XV58  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-17 10:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin