+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3407 Jimmysimms (1973 DT) Classification: Main-belt Asteroid          SPK-ID: 2003407 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .156722425178329 3.1114e-08   a 2.686210902122232 1.0954e-08 au q 2.265221415001169 8.3845e-08 au i 13.09693618724351 3.8116e-06 deg node 102.8467462829839 1.8985e-05 deg peri 344.5774293682442 2.4026e-05 deg M 317.651999927515 1.5703e-05 deg tp 2459189.664219276884 (2020-Dec-06.16421928) 7.0605e-05 TDB period 1608.083470839623 4.40 9.8363e-06 2.693e-08 d yr n .2238689760376894 1.3694e-09 deg/d Q 3.107200389243296 1.2671e-08 au   Orbit Determination Parameters    # obs. used (total)      1981      data-arc span      23753 days (65.03 yr)      first obs. used      1954-12-22      last obs. used      2020-01-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4562      source      ORB      producer      Otto Matic      solution date      2020-Jan-28 19:03:06   Additional Information  Earth MOID = 1.28431 au   Jupiter MOID = 2.1001 au   T_jup = 3.319  [ 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 12.6   n/a MPO395028   diameter diameter 15.676 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 6.819 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Bennefeld, C.; Cantue, J.; Holly, V.; Jordon, L.; Martin, T.; Soar, E.; Swinney, T. (2009) Minor Planet Bull. 36, 45-48.] [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] [Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.] geometric albedo albedo 0.071   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   3407 Jimmysimms (1973 DT)          Discovered 1973-Feb-28 by Kohoutek, L. at Bergedorf Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1973 DT = 1973 GW = 1977 BV = 1980 WN  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-03 17:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin