+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134921 (2000 YD98) Classification: Main-belt Asteroid          SPK-ID: 2134921 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1136230233547521 3.5372e-08   a 2.291108521673921 9.597e-09 au q 2.030785844607494 8.1078e-08 au i 4.06675485098731 4.4263e-06 deg node 316.2349499459192 6.0688e-05 deg peri 122.9324507241296 6.4951e-05 deg M 246.3846128305385 2.318e-05 deg tp 2459400.262055837845 (2021-Jul-04.76205584) 8.2522e-05 TDB period 1266.680013042341 3.47 7.9588e-06 2.179e-08 d yr n .2842075317311936 1.7857e-09 deg/d Q 2.551431198740349 1.0687e-08 au   Orbit Determination Parameters    # obs. used (total)      679      data-arc span      7150 days (19.58 yr)      first obs. used      2000-12-30      last obs. used      2020-07-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5294      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 10:58:33   Additional Information  Earth MOID = 1.04984 au   Jupiter MOID = 2.64103 au   T_jup = 3.586  [ 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 16.4   n/a MPO436660   134921 (2000 YD98)          Discovered 2000-Dec-30 by LINEAR at Socorro Reference: 20060907/Numbers.arc Last Updated: 2006-09-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-25 09:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin