+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   175836 (1999 TZ135) Classification: Main-belt Asteroid          SPK-ID: 2175836 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1975025479504556 4.4424e-08   a 2.374075854510337 1.2735e-08 au q 1.905189824216891 1.0117e-07 au i 3.875371835210252 5.3025e-06 deg node 356.6864551923658 6.3282e-05 deg peri 103.2211038955178 6.5767e-05 deg M 229.5472585067614 1.7394e-05 deg tp 2459684.662359715915 (2022-Apr-15.16235972) 6.6917e-05 TDB period 1336.104151607755 3.66 1.0751e-05 2.943e-08 d yr n .2694400728916279 2.1681e-09 deg/d Q 2.842961884803783 1.5251e-08 au   Orbit Determination Parameters    # obs. used (total)      500      data-arc span      7558 days (20.69 yr)      first obs. used      1999-10-06      last obs. used      2020-06-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52681      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 09:55:21   Additional Information  Earth MOID = .926277 au   Jupiter MOID = 2.32366 au   T_jup = 3.513  [ 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 16.58   n/a E2021B55   diameter diameter 2.575 km 0.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.080   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   175836 (1999 TZ135)          Discovered 1999-Oct-06 by LINEAR at Socorro Reference: 20080221/Numbers.arc Last Updated: 2008-02-22 [ show close-approach data ] Alternate Designations  1999 TZ135 = 2003 YH46  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-13 17:52 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin