+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   117613 (2005 EA93) Classification: Main-belt Asteroid          SPK-ID: 2117613 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2732770947455729 2.6751e-08   a 3.070111559055468 1.5983e-08 au q 2.231120391651988 8.2084e-08 au i 13.3846162188833 5.4027e-06 deg node 175.950147261808 1.507e-05 deg peri 301.3421429491507 1.9438e-05 deg M 45.511925635197 9.395e-06 deg tp 2459148.099553349580 (2020-Oct-25.59955335) 5.132e-05 TDB period 1964.851180126604 5.38 1.5344e-05 4.201e-08 d yr n .1832199830914439 1.4308e-09 deg/d Q 3.909102726458947 2.0351e-08 au   Orbit Determination Parameters    # obs. used (total)      730      data-arc span      8647 days (23.67 yr)      first obs. used      1997-09-06      last obs. used      2021-05-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50883      source      ORB      producer      Otto Matic      solution date      2021-Jul-09 00:40:23   Additional Information  Earth MOID = 1.27955 au   Jupiter MOID = 1.40777 au   T_jup = 3.132  [ 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 15.43   n/a MPCxxxxx   diameter diameter 2.487 km 0.313 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.217   0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   117613 (2005 EA93)          Discovered 2005-Mar-08 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  2005 EA93 = 1997 RT11  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jul-28 10:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin