+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   13123 Tyson (1994 KA) Classification: Main-belt Asteroid          SPK-ID: 2013123 [ 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 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .271303684608625 3.5482e-08   a 2.359363214291495 7.8654e-09 au q 1.719259280924163 8.2919e-08 au i 23.28656992900158 3.9504e-06 deg node 68.79819794733797 1.0842e-05 deg peri 251.9007555966227 1.2901e-05 deg M 45.11101508120372 7.6192e-06 deg tp 2459034.628897399168 (2020-Jul-04.12889740) 2.7896e-05 TDB period 1323.703242518702 3.62 6.6192e-06 1.812e-08 d yr n .2719642805399517 1.36e-09 deg/d Q 2.999467147658826 9.9993e-09 au   Orbit Determination Parameters    # obs. used (total)      2339      data-arc span      24808 days (67.92 yr)      first obs. used      1953-02-14      last obs. used      2021-01-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .37387      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:09:59   Additional Information  Earth MOID = .832255 au   Jupiter MOID = 2.53974 au   T_jup = 3.396  [ 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 12.49   n/a E2021B10   diameter diameter 10.875 km 0.609 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 3.3303 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Krotz, J.; Albers, K.; Carbo, L.; Kragh, K.; et al. (2010) Minor Planet Bull. 37, 99-101.] [Pravec, P.; Scheirich, P.; Kusnirak, P.; Hornoch, K.; et al. (2016) Icarus 267, 267-295.] [Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.197   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   13123 Tyson           Discovered 1994 May 16 by C. S. Shoemaker and D. H. Levy at Palomar. Neil deGrasse Tyson (b. 1958) is the youngest-ever director of New York's Hayden Planetarium. He spearheaded the complete redesign of the planetarium that reopened in 2000. He also teaches astronomy at Princeton University. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20001111/MPCPages.arc Last Updated: 2013-03-29 Alternate Designations  1994 KA = 1995 YO2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-02 17:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin