+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1414 Jerome (1937 CE) Classification: Main-belt Asteroid          SPK-ID: 2001414 [ 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 35 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1608903773454192 3.0983e-08   a 2.78502683781951 9.793e-09 au q 2.336942818965609 8.9223e-08 au i 8.85483823391033 3.2159e-06 deg node 143.7406808654114 2.2766e-05 deg peri 2.456314915346214 2.5282e-05 deg M 322.4437975971888 1.1543e-05 deg tp 2459177.601269348047 (2020-Nov-24.10126935) 5.4833e-05 TDB period 1697.627898621736 4.65 8.9541e-06 2.451e-08 d yr n .2120606054437934 1.1185e-09 deg/d Q 3.23311085667341 1.1369e-08 au   Orbit Determination Parameters    # obs. used (total)      2408      data-arc span      30566 days (83.69 yr)      first obs. used      1937-02-12      last obs. used      2020-10-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .47232      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 04:19:14   Additional Information  Earth MOID = 1.349 au   Jupiter MOID = 1.777 au   T_jup = 3.295  [ 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 13.0   n/a MPO425814   diameter diameter 15.105 km 0.453 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.054   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 1414 Jerome (1937 CE)          Discovered 1937-Feb-12 by Boyer, L. at Algiers Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1937 CE = 1951 EO1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Nov-25 22:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin