+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   5704 Schumacher (1950 DE) Classification: Outer Main-belt Asteroid          SPK-ID: 2005704 [ 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 41 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1132396872425208 3.1865e-08   a 3.22239350476584 1.6099e-08 au q 2.857490672113826 1.0109e-07 au i 11.59618618470656 3.0464e-06 deg node 151.5518898607564 1.9957e-05 deg peri 41.01984401598465 2.6261e-05 deg M 81.59868995896912 1.6284e-05 deg tp 2458721.597645007227 (2019-Aug-26.09764501) 9.6372e-05 TDB period 2112.838427725861 5.78 1.5833e-05 4.335e-08 d yr n .1703869047797865 1.2769e-09 deg/d Q 3.587296337417853 1.7922e-08 au   Orbit Determination Parameters    # obs. used (total)      2481      data-arc span      25809 days (70.66 yr)      first obs. used      1950-02-17      last obs. used      2020-10-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .42857      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 19:07:25   Additional Information  Earth MOID = 1.87021 au   Jupiter MOID = 1.41761 au   T_jup = 3.147  [ 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 12.18   n/a E2021B10   diameter diameter 23.597 km 0.304 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.055   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   5704 Schumacher (1950 DE)          Discovered 1950-Feb-17 by Reinmuth, K. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1950 DE = 1950 BL1 = 1990 DB1 = 1990 EX5  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-05 10:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin