+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   150676 (2001 OY1) Classification: Main-belt Asteroid          SPK-ID: 2150676 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07559434774609038 3.443e-08   a 2.31498199720971 9.4634e-09 au q 2.1399824430867 8.248e-08 au i 8.009740430918226 4.0294e-06 deg node 72.71779419072367 3.3454e-05 deg peri 188.22663295 5.2352e-05 deg M 224.1013709451315 4.2449e-05 deg tp 2459686.160104217942 (2022-Apr-16.66010422) 0.000153 TDB period 1286.529810744957 3.52 7.8888e-06 2.16e-08 d yr n .279822509352927 1.7158e-09 deg/d Q 2.489981551332719 1.0179e-08 au   Orbit Determination Parameters    # obs. used (total)      577      data-arc span      8729 days (23.90 yr)      first obs. used      1997-04-16      last obs. used      2021-03-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55567      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 19:19:34   Additional Information  Earth MOID = 1.12329 au   Jupiter MOID = 2.54095 au   T_jup = 3.565  [ 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 16.3   n/a MPO493857   150676 (2001 OY1)          Discovered 2001-Jul-18 by NEAT at Palomar Reference: 20070303/Numbers.arc Last Updated: 2007-03-07 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-23 12:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin