+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2005 EP1) Classification: Aten [NEO]          SPK-ID: 3273458 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2453433.5 (2005-Mar-04.0) TDB Reference: JPL 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .7703909030797559 0.0033798   a .892703526990474 0.0031553 au q .2049728506497995 0.0022927 au i 16.32566133004417 0.20361 deg node 344.3922420638831 0.0084395 deg peri 328.0475635496043 0.067001 deg M 297.4054973042851 0.60238 deg tp 2453487.066466037528 (2005-Apr-26.56646604) 0.2315 TDB period 308.0770186361781 0.84 1.6334 0.004472 d yr n 1.168538963385451 0.0061954 deg/d Q 1.580434203331148 0.0055862 au   Orbit Determination Parameters    # obs. used (total)      30      data-arc span      3 days      first obs. used      2005-03-03      last obs. used      2005-03-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      9      norm. resid. RMS      .62204      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 09:11:25   Additional Information  Earth MOID = .012426 au   Jupiter MOID = 3.74345 au   T_jup = 6.336  [ 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 23.7   n/a MPO77816   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-04 20:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin