+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 38 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .160839239499436 2.9758e-08   a 2.784988700909727 8.9314e-09 au q 2.337053236240884 8.4891e-08 au i 8.855270848987095 3.2103e-06 deg node 143.7391841849503 2.1667e-05 deg peri 2.418716051643643 2.4153e-05 deg M 4.882953002699256 1.065e-05 deg tp 2459177.474258394822 (2020-Nov-23.97425839) 5.0185e-05 TDB period 1697.593028907289 4.65 8.1662e-06 2.236e-08 d yr n .2120649613127392 1.0201e-09 deg/d Q 3.23292416557857 1.0368e-08 au   Orbit Determination Parameters    # obs. used (total)      2564      data-arc span      30662 days (83.95 yr)      first obs. used      1937-02-12      last obs. used      2021-01-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .46245      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 00:55:10   Additional Information  Earth MOID = 1.34899 au   Jupiter MOID = 1.77654 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 13.16   n/a E2021B10   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 ] 2021-Mar-02 05:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin