+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   175937 (2000 EN118) Classification: Main-belt Asteroid          SPK-ID: 2175937 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1131076311221734 5.9514e-08   a 2.557899008138871 1.7747e-08 au q 2.268581110678527 1.5532e-07 au i 9.313694716951192 5.1027e-06 deg node 35.23879292869099 3.9637e-05 deg peri 80.33119082951258 4.5484e-05 deg M 59.40440497610637 2.5092e-05 deg tp 2458953.930322856422 (2020-Apr-14.43032286) 0.00010304 TDB period 1494.250869230848 4.09 1.5551e-05 4.258e-08 d yr n .2409234000883043 2.5073e-09 deg/d Q 2.847216905599216 1.9754e-08 au   Orbit Determination Parameters    # obs. used (total)      397      data-arc span      7630 days (20.89 yr)      first obs. used      2000-03-04      last obs. used      2021-01-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56507      source      ORB      producer      Otto Matic      solution date      2021-Feb-23 22:20:30   Additional Information  Earth MOID = 1.3069 au   Jupiter MOID = 2.27909 au   T_jup = 3.409  [ 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 15.75   n/a E2021B55   diameter diameter 4.390 km 0.299 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.058   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   175937 (2000 EN118)          Discovered 2000-Mar-11 by LONEOS at Anderson Mesa Reference: 20080221/Numbers.arc Last Updated: 2008-02-22 [ show close-approach data ] Alternate Designations  2000 EN118 = 2004 BK120  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-12 02:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin