+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58197 (1992 EH2) Classification: Main-belt Asteroid          SPK-ID: 2058197 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1727641289951387 3.586e-08   a 2.335838863320609 8.33e-09 au q 1.932289696626029 8.5227e-08 au i 6.874091326159133 3.4528e-06 deg node 137.1297074671458 3.6582e-05 deg peri 289.4052405301898 3.8765e-05 deg M 34.65416018950582 1.158e-05 deg tp 2458874.979221390797 (2020-Jan-26.47922139) 4.2033e-05 TDB period 1303.955428502837 3.57 6.9752e-06 1.91e-08 d yr n .2760830563153077 1.4768e-09 deg/d Q 2.739388030015188 9.7691e-09 au   Orbit Determination Parameters    # obs. used (total)      759      data-arc span      10191 days (27.90 yr)      first obs. used      1992-03-06      last obs. used      2020-01-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50403      source      ORB      producer      Otto Matic      solution date      2020-Feb-23 12:24:50   Additional Information  Earth MOID = .95904 au   Jupiter MOID = 2.56858 au   T_jup = 3.538  [ 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 16.1   n/a MPO452960   58197 (1992 EH2)          Discovered 1992-Mar-06 by Spacewatch at Kitt Peak Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-01 11:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin