+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2012 EP3) Classification: Aten [NEO]          SPK-ID: 3600564 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 5 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4031453187625789 0.0022581   a .9336696032766995 0.0027047 au q .5572650734447839 0.00076069 au i 6.571323462844869 0.06933 deg node 148.527873561016 0.22469 deg peri 141.8436667870651 0.12994 deg M 188.0593749556629 5.8148 deg tp 2459357.885333028809 (2021-May-23.38533303) 6.0064 TDB period 329.5249152186183 0.90 1.4319 0.00392 d yr n 1.092481883384033 0.0047471 deg/d Q 1.310074133108615 0.0037951 au   Orbit Determination Parameters    # obs. used (total)      19      data-arc span      1 day      first obs. used      2012-03-03      last obs. used      2012-03-04      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      7      norm. resid. RMS      .77174      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 06:07:16   Additional Information  Earth MOID = .0379035 au   Jupiter MOID = 3.87195 au   T_jup = 6.343  [ 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 25.5   n/a MPO223151   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-18 06:11 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin