+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   6500 Kodaira (1993 ET) Classification: Mars-crossing Asteroid          SPK-ID: 2006500 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ 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 .417339066879629 1.5836e-08   a 2.754653286336024 8.0592e-09 au q 1.605028854239644 4.1591e-08 au i 29.3227130347205 2.6244e-06 deg node 186.1022063706095 2.0642e-06 deg peri 255.4342062358327 5.1351e-06 deg M 80.23241609207831 2.6738e-06 deg tp 2458828.325843191594 (2019-Dec-10.82584319) 1.1986e-05 TDB period 1669.93221663999 4.57 7.3285e-06 2.006e-08 d yr n .215577612320303 9.4606e-10 deg/d Q 3.904277718432403 1.1423e-08 au   Orbit Determination Parameters    # obs. used (total)      2090      data-arc span      18609 days (50.95 yr)      first obs. used      1970-04-11      last obs. used      2021-03-23      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .43943      source      ORB      producer      Otto Matic      solution date      2021-May-03 22:56:17   Additional Information  Earth MOID = .81774 au   Jupiter MOID = 2.36533 au   T_jup = 3.042  [ 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 12.73   n/a MPCxxxxx   diameter diameter 9.487 km 2.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)   rotation period rot_per 5.400 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Clark, M. (2007) Minor Planet Bull. 34, 19-22.] [Clark, M. (2011) Minor Planet Bull. 38, 187-189.] [Stephens, R.D. (2015) Minor Planet Bull. 42, 104-106.] [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] [Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.151   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)   SMASSII spectral type spec_B B   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) 6500 Kodaira (1993 ET)          Discovered 1993-Mar-15 by Endate, K., Watanabe, K. at Kitami Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1993 ET = 1970 GE1 = 1973 ST5  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jun-23 12:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin