+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15189 (3071 T-2) Classification: Main-belt Asteroid          SPK-ID: 2015189 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0794204298608871 3.5895e-08   a 2.536504203708242 1.0308e-08 au q 2.335053949505786 9.1756e-08 au i 5.274836050252532 3.6005e-06 deg node 47.16475392104189 4.5893e-05 deg peri 240.6131087461695 5.2081e-05 deg M 262.947981548616 2.6892e-05 deg tp 2459398.290015182636 (2021-Jul-02.79001518) 0.00011092 TDB period 1475.542783661776 4.04 8.9949e-06 2.463e-08 d yr n .2439780154029877 1.4873e-09 deg/d Q 2.737954457910698 1.1127e-08 au   Orbit Determination Parameters    # obs. used (total)      1506      data-arc span      17021 days (46.60 yr)      first obs. used      1973-09-19      last obs. used      2020-04-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51774      source      ORB      producer      Otto Matic      solution date      2020-May-20 04:08:37   Additional Information  Earth MOID = 1.32427 au   Jupiter MOID = 2.36744 au   T_jup = 3.437  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.7   n/a MPO492921   15189 (3071 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar Reference: 20000523/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-27 23:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin