+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14312 Polytech (1976 UN2) Classification: Main-belt Asteroid          SPK-ID: 2014312 [ 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 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1357148421354946 3.2235e-08   a 2.132736560027744 6.1819e-09 au q 1.84329255446698 7.11e-08 au i 1.901995665108291 3.3856e-06 deg node 257.6456096238209 0.00010024 deg peri 97.15835257345803 0.00010146 deg M 27.2756664845031 1.812e-05 deg tp 2458914.305983564847 (2020-Mar-05.80598356) 5.7011e-05 TDB period 1137.638412402674 3.11 4.9463e-06 1.354e-08 d yr n .3164450110643554 1.3759e-09 deg/d Q 2.422180565588507 7.0209e-09 au   Orbit Determination Parameters    # obs. used (total)      1953      data-arc span      16094 days (44.06 yr)      first obs. used      1976-10-24      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50391      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:56:13   Additional Information  Earth MOID = .839561 au   Jupiter MOID = 2.99416 au   T_jup = 3.708  [ 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 14.7   n/a MPO492911   diameter diameter 2.758 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.309   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   14312 Polytech           Discovered 1976 Oct. 26 by T. M. Smirnova at the Crimean Astrophysical Observatory. Saint Petersburg State Technical University (former Polytechnical Institute), founded in 1899, is one of the largest universities laying the foundation of higher polytechnic education in Russia. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20020427/MPCPages.arc Last Updated: 2003-10-02 Alternate Designations  1976 UN2 = 1979 SH15 = 1997 HT12  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-28 13:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin