+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1410 Margret (1937 AL) Classification: Main-belt Asteroid          SPK-ID: 2001410 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 51 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .106255368997679 2.119e-08   a 3.020461132180458 1.0682e-08 au q 2.699520920037476 6.3387e-08 au i 10.35233046091051 1.0642e-06 deg node 170.8887289443992 5.1804e-06 deg peri 233.3876833399689 9.6264e-06 deg M 111.1760757326207 7.0159e-06 deg tp 2458804.369892612972 (2019-Nov-16.86989261) 3.6169e-05 TDB period 1917.380490853067 5.25 1.0172e-05 2.785e-08 d yr n .1877561609275744 9.9605e-10 deg/d Q 3.34140134432344 1.1817e-08 au   Orbit Determination Parameters    # obs. used (total)      3586      data-arc span      30852 days (84.47 yr)      first obs. used      1937-01-08      last obs. used      2021-06-28      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .39427      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 12:20:44   Additional Information  Earth MOID = 1.72148 au   Jupiter MOID = 2.12834 au   T_jup = 3.213  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 11.16   n/a MPCxxxxx   diameter diameter 21.083 km 0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   geometric albedo albedo 0.145   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   1410 Margret (1937 AL)          Discovered 1937-Jan-08 by Reinmuth, K. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1937 AL = A924 RD  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jul-28 04:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin