+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (1994 EK) Classification: Apollo [NEO, PHA]          SPK-ID: 3012399 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6390579485065234 2.4374e-07   a 2.149854920647274 2.7501e-08 au q .7759730454717725 5.3334e-07 au i 6.040563600123027 4.6393e-05 deg node 332.9121600324241 6.4653e-05 deg peri 99.39658209791843 8.9057e-05 deg M 139.6267383860541 4.4875e-05 deg tp 2458553.941614245424 (2019-Mar-11.44161425) 0.00013651 TDB period 1151.362702659138 3.15 2.2092e-05 6.048e-08 d yr n .3126729736585696 5.9996e-09 deg/d Q 3.523736795822776 4.5076e-08 au   Orbit Determination Parameters    # obs. used (total)      108      data-arc span      6919 days (18.94 yr)      first obs. used      1994-03-07      last obs. used      2013-02-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .63017      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 09:18:17   Additional Information  Earth MOID = .0307003 au   Jupiter MOID = 1.86204 au   T_jup = 3.404  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 20.3   n/a MPO254715   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-18 18:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin