+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   277100 (2005 EW295) Classification: Main-belt Asteroid          SPK-ID: 2277100 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2805656252555186 6.9342e-08   a 3.063537909690278 3.9129e-08 au q 2.20401448056404 2.1067e-07 au i 16.87408653106871 9.6343e-06 deg node 193.4387128823895 1.5915e-05 deg peri 323.7026166813434 2.635e-05 deg M 300.3361933183602 1.8041e-05 deg tp 2459325.094960765284 (2021-Apr-20.59496077) 0.00010132 TDB period 1958.543920923866 5.36 3.7523e-05 1.027e-07 d yr n .1838100213908832 3.5216e-09 deg/d Q 3.923061338816515 5.0107e-08 au   Orbit Determination Parameters    # obs. used (total)      284      data-arc span      5852 days (16.02 yr)      first obs. used      2003-10-21      last obs. used      2019-10-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50076      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 05:21:25   Additional Information  Earth MOID = 1.23315 au   Jupiter MOID = 1.21634 au   T_jup = 3.108  [ 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 15.9   n/a MPO455056   diameter diameter 4.313 km 0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.041   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   277100 (2005 EW295)          Discovered 2005-Mar-07 by LINEAR at Socorro Reference: 20110517/Numbers.arc Last Updated: 2011-05-20 [ show close-approach data ] Alternate Designations  2005 EW295 = 2008 TQ140  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-06 23:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin