+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   523281 (2017 BY19) Classification: Main-belt Asteroid          SPK-ID: 2523281 [ 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 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07361603182451253 4.9089e-08   a 2.470386957838233 3.0588e-08 au q 2.288526872931153 1.3606e-07 au i 7.185950040169458 5.1587e-06 deg node 139.1874041085242 4.2343e-05 deg peri 309.5240771284932 5.7684e-05 deg M 345.5627072985578 3.8378e-05 deg tp 2459057.376015816448 (2020-Jul-26.87601582) 0.00015113 TDB period 1418.227511026079 3.88 2.6341e-05 7.212e-08 d yr n .2538379753609082 4.7145e-09 deg/d Q 2.652247042745313 3.284e-08 au   Orbit Determination Parameters    # obs. used (total)      129      data-arc span      4981 days (13.64 yr)      first obs. used      2006-05-05      last obs. used      2019-12-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54781      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 22:45:07   Additional Information  Earth MOID = 1.3127 au   Jupiter MOID = 2.46707 au   T_jup = 3.470  [ 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 17.4   n/a MPO456486   523281 (2017 BY19)          Discovered 2013-Jan-03 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2018-05-31 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-23 22:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin