+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   487594 (2015 KT40) Classification: Mars-crossing Asteroid          SPK-ID: 2487594 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3522419198854361 5.351e-08   a 2.552444731846002 5.9856e-08 au q 1.653366699099099 1.534e-07 au i 7.28360394366641 1.2868e-05 deg node 78.14710775229857 4.3123e-05 deg peri 276.9136354113249 0.00010237 deg M 11.37671063548073 0.00012471 deg tp 2458953.429679139615 (2020-Apr-13.92967914) 0.00051473 TDB period 1489.474071432488 4.08 5.2393e-05 1.434e-07 d yr n .2416960502399167 8.5018e-09 deg/d Q 3.451522764592905 8.094e-08 au   Orbit Determination Parameters    # obs. used (total)      70      data-arc span      2962 days (8.11 yr)      first obs. used      2011-05-24      last obs. used      2019-07-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53237      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 08:19:28   Additional Information  Earth MOID = .668979 au   Jupiter MOID = 2.04696 au   T_jup = 3.339  [ 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 17.3   n/a MPO477318   487594 (2015 KT40)          Discovered 2011-May-24 by Pan-STARRS 1 at Haleakala Reference: Last Updated: 2017-03-14 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Dec-05 12:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin