+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   295033 (2008 EU81) Classification: Outer Main-belt Asteroid          SPK-ID: 2295033 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08453034342788453 8.3077e-08   a 3.375057061737077 4.7048e-08 au q 3.089762329219735 2.876e-07 au i 7.452279080422695 1.1887e-05 deg node 320.4246068612347 4.27e-05 deg peri 230.941320123464 7.1784e-05 deg M 8.669927922475747 5.4769e-05 deg tp 2459145.957744586088 (2020-Oct-23.45774459) 0.00034462 TDB period 2264.749156461444 6.20 4.7355e-05 1.297e-07 d yr n .1589580015839289 3.3238e-09 deg/d Q 3.660351794254419 5.1025e-08 au   Orbit Determination Parameters    # obs. used (total)      251      data-arc span      7886 days (21.59 yr)      first obs. used      1998-09-19      last obs. used      2020-04-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52367      source      ORB      producer      Otto Matic      solution date      2020-May-21 18:39:23   Additional Information  Earth MOID = 2.09711 au   Jupiter MOID = 1.37929 au   T_jup = 3.133  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.97   n/a E2021B55   diameter diameter 6.598 km 2.805 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.059   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   295033 (2008 EU81)          Discovered 2008-Mar-02 by LINEAR at Socorro Reference: 20110912/Numbers.arc Last Updated: 2011-09-14 [ show close-approach data ] Alternate Designations  2008 EU81 = 2006 YL56  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-04 23:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin