+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102537 (1999 UY7) Classification: Main-belt Asteroid          SPK-ID: 2102537 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1126605355880731 5.4781e-08   a 2.396274379915479 1.1798e-08 au q 2.126308824858223 1.2883e-07 au i 7.042966413841841 5.5793e-06 deg node 48.73203328877076 3.7398e-05 deg peri 7.39639714930566 4.4147e-05 deg M 241.8795471801462 2.7089e-05 deg tp 2459645.055354962162 (2022-Mar-06.55535496) 0.00010396 TDB period 1354.88752342032 3.71 1.0006e-05 2.739e-08 d yr n .2657047125883962 1.9623e-09 deg/d Q 2.666239934972734 1.3127e-08 au   Orbit Determination Parameters    # obs. used (total)      559      data-arc span      7583 days (20.76 yr)      first obs. used      1999-10-10      last obs. used      2020-07-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5393      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:54:11   Additional Information  Earth MOID = 1.1373 au   Jupiter MOID = 2.65096 au   T_jup = 3.510  [ 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 16.02   n/a E2021B55   102537 (1999 UY7)          Discovered 1999-Oct-29 by CSS at Catalina Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-05 02:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin