+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   5588 Jennabelle (1990 SW3) Classification: Main-belt Asteroid          SPK-ID: 2005588 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1377864516174948 7.6489e-08   a 2.787088658839919 3.231e-08 AU q 2.403065602195005 2.2268e-07 AU i 12.37064824697894 8.0495e-06 deg node 93.83111566117854 3.9669e-05 deg peri 252.8422752643945 5.4291e-05 deg M 331.0300196786697 4.214e-05 deg tp 2456537.263530185706 (2013-Sep-01.76353019) 0.00019961 JED period 1699.51343841967 4.65 2.9553e-05 8.091e-08 d yr n .2118253329816291 3.6835e-09 deg/d Q 3.171111715484834 3.6762e-08 AU   Orbit Determination Parameters    # obs. used (total)      912      data-arc span      11467 days (31.39 yr)      first obs. used      1981-11-25      last obs. used      2013-04-18      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .4936      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:17:34   Additional Information  Earth MOID = 1.42933 AU   T_jup = 3.283  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 11.9 mag n/a PDS3 (MPC 28113)   SMASSII spectral type spec_B X   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) 5588 Jennabelle           Discovered 1990 Sept. 23 by B. Roman at Palomar. Jenna Belle Weathers Roman (1911-1992) was the grandmother of the discoverer. She played a prominent role in his upbringing and his pursuit of astronomy. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20060613/MPCPages.arc Last Updated: 2008-05-22 Alternate Designations  1990 SW3 = 1981 WU7 = 1983 EE3  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-18 07:37 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin