+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   523383 (2017 DE23) Classification: Main-belt Asteroid          SPK-ID: 2523383 [ 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 7 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02370749705814047 6.1365e-08   a 2.718964371032145 4.6451e-08 au q 2.654504531204712 1.7009e-07 au i 3.238435144826774 7.3496e-06 deg node 172.1993244782618 0.00012391 deg peri 89.5763297832173 0.00020484 deg M 149.5413087769591 0.0001624 deg tp 2458320.259667459011 (2018-Jul-20.75966746) 0.00073688 TDB period 1637.584435482001 4.48 4.1965e-05 1.149e-07 d yr n .2198359926974017 5.6335e-09 deg/d Q 2.783424210859579 4.7552e-08 au   Orbit Determination Parameters    # obs. used (total)      76      data-arc span      6611 days (18.10 yr)      first obs. used      2001-08-20      last obs. used      2019-09-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60285      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 20:12:09   Additional Information  Earth MOID = 1.64143 au   Jupiter MOID = 2.20667 au   T_jup = 3.357  [ 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 17.6   n/a MPO425363   523383 (2017 DE23)          Discovered 2013-Mar-19 by Pan-STARRS 1 at Haleakala Reference: Last Updated: 2018-05-31 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-23 12:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin