+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1136987988470036 3.0114e-08   a 2.290259920665537 8.5054e-09 au q 2.029860118638432 7.1252e-08 au i 4.067141453339544 4.2667e-06 deg node 316.2360516682722 5.199e-05 deg peri 123.1206339102878 5.69e-05 deg M 303.0579926954161 2.3242e-05 deg tp 2459400.742315403056 (2021-Jul-05.24231540) 8.2237e-05 TDB period 1265.976332016257 3.47 7.0522e-06 1.931e-08 d yr n .2843655058121394 1.5841e-09 deg/d Q 2.550659722692643 9.4725e-09 au   Orbit Determination Parameters    # obs. used (total)      780      data-arc span      7301 days (19.99 yr)      first obs. used      2000-12-30      last obs. used      2020-12-26      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52246      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 18:10:42   Additional Information  Earth MOID = 1.04853 au   Jupiter MOID = 2.64087 au   T_jup = 3.587  [ 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 16.44   n/a E2021B55   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 ] 2021-Apr-19 13:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin