+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   58177 (1990 TB6) Classification: Main-belt Asteroid          SPK-ID: 2058177 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO257246 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1190434 n/a   a 2.3028488 n/a AU q 2.0287098 n/a AU i 6.95560 n/a deg node 332.39567 n/a deg peri 33.29650 n/a deg M 152.67425 n/a deg tp 2455859.1727836 (2011-Oct-24.67278360) n/a JED period 1276.4287226 3.49 n/a n/a d yr n 0.28203690 n/a deg/d Q 2.5769878 n/a AU   Orbit Determination Parameters    # obs. used (total)      641      first obs. used      1990-??-??      last obs. used      2013-03-20      # oppositions      10      planetary ephem.      DE403      condition code      0      fit RMS      0.51      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.571  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.3 mag n/a MPO257246   58177 (1990 TB6)          Discovered 1990-Oct-09 by McNaught, R. H. at Siding Spring (413) Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1990 TB6 = 1999 CX42  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-25 17:39 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin