+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3741 Rogerburns (1981 EL19) Classification: Main-belt Asteroid          SPK-ID: 2003741 [ 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 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1519307889325925 2.7824e-08   a 2.779446689631791 9.3456e-09 au q 2.357163161279951 7.5644e-08 au i 6.804298724797107 3.9912e-06 deg node 182.3307940102674 2.6988e-05 deg peri 140.2848314774626 3.046e-05 deg M 70.24267811550332 1.3864e-05 deg tp 2458870.256323587680 (2020-Jan-21.75632359) 6.4858e-05 TDB period 1692.528341714741 4.63 8.5364e-06 2.337e-08 d yr n .2126995401656172 1.0728e-09 deg/d Q 3.201730217983632 1.0765e-08 au   Orbit Determination Parameters    # obs. used (total)      2446      data-arc span      15467 days (42.35 yr)      first obs. used      1978-09-12      last obs. used      2021-01-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .47522      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 01:12:51   Additional Information  Earth MOID = 1.34808 au   Jupiter MOID = 2.15943 au   T_jup = 3.307  [ 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 13.12   n/a E2021B10   diameter diameter 6.122 km 0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.326   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   3741 Rogerburns (1981 EL19)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1981 EL19 = 1978 RO2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-07 22:07 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin