+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1519670850716738 3.4284e-08   a 2.779192900880063 1.2056e-08 au q 2.356847056881431 9.7838e-08 au i 6.804578204958275 4.3813e-06 deg node 182.3318616275213 3.0708e-05 deg peri 140.2301958326037 3.3884e-05 deg M 27.74181204114469 1.3963e-05 deg tp 2458870.090632463016 (2020-Jan-21.59063246) 6.5452e-05 TDB period 1692.296532169034 4.63 1.1012e-05 3.015e-08 d yr n .2127286755936232 1.3842e-09 deg/d Q 3.201538744878695 1.3888e-08 au   Orbit Determination Parameters    # obs. used (total)      1932      data-arc span      15008 days (41.09 yr)      first obs. used      1978-09-12      last obs. used      2019-10-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52418      source      ORB      producer      Otto Matic      solution date      2019-Nov-07 02:29:05   Additional Information  Earth MOID = 1.3497 au   Jupiter MOID = 2.15962 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 13.1   n/a MPO347551   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 ] 2020-Aug-08 10:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin