+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102426 (1999 TY196) Classification: Main-belt Asteroid          SPK-ID: 2102426 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03141990747236859 5.2356e-08   a 2.622612202982355 1.5096e-08 au q 2.540209970228745 1.4052e-07 au i 11.37060554253012 6.7229e-06 deg node 34.18641042736935 2.0857e-05 deg peri 121.2467188942309 9.5187e-05 deg M 244.9102128799199 9.2265e-05 deg tp 2459696.445357615089 (2022-Apr-26.94535762) 0.00039795 TDB period 1551.313398078929 4.25 1.3394e-05 3.667e-08 d yr n .2320614264311818 2.0036e-09 deg/d Q 2.705014435735966 1.557e-08 au   Orbit Determination Parameters    # obs. used (total)      778      data-arc span      7775 days (21.29 yr)      first obs. used      1999-10-06      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55037      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:31:25   Additional Information  Earth MOID = 1.55936 au   Jupiter MOID = 2.27361 au   T_jup = 3.375  [ 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 15.33   n/a E2021B55   diameter diameter 2.710 km 0.464 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.219   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   102426 (1999 TY196)          Discovered 1999-Oct-12 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-04 22:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin