+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4173400622097953 3.0992e-08   a 2.755141918248293 8.9814e-09 au q 1.605310818689736 8.4567e-08 au i 29.31991801280414 4.4656e-06 deg node 186.1023108274704 7.4987e-06 deg peri 255.4567054930171 8.9035e-06 deg M 37.10049274795495 3.3155e-06 deg tp 2458828.356128718731 (2019-Dec-10.85612872) 1.5471e-05 TDB period 1670.376565677092 4.57 8.1678e-06 2.236e-08 d yr n .2155202649494025 1.0539e-09 deg/d Q 3.904973017806851 1.273e-08 au   Orbit Determination Parameters    # obs. used (total)      1946      data-arc span      18345 days (50.23 yr)      first obs. used      1970-04-11      last obs. used      2020-07-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .43841      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 03:35:16   Additional Information  Earth MOID = .818788 au   Jupiter MOID = 2.36417 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 12.7   n/a MPO502215   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-Jan-17 20:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin