+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2093 Genichesk (1971 HX) Classification: Main-belt Asteroid          SPK-ID: 2002093 [ 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 41 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1681538753693322 3.0906e-08   a 2.269032466339451 5.9644e-09 au q 1.887485863785639 6.9928e-08 au i 6.091935102245256 3.6639e-06 deg node 154.8315233841395 3.1518e-05 deg peri 118.0899874842454 3.319e-05 deg M 104.1124136062136 1.1024e-05 deg tp 2458639.456520623668 (2019-Jun-04.95652062) 3.7821e-05 TDB period 1248.416476704581 3.42 4.9224e-06 1.348e-08 d yr n .2883653065444029 1.137e-09 deg/d Q 2.650579068893264 6.9674e-09 au   Orbit Determination Parameters    # obs. used (total)      2729      data-arc span      25781 days (70.58 yr)      first obs. used      1950-04-17      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .45617      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:04:19   Additional Information  Earth MOID = .880513 au   Jupiter MOID = 2.47353 au   T_jup = 3.588  [ 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 13.0   n/a MPO384768   diameter diameter 7.898 km 1.762 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   rotation period rot_per 11.028 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Warner, B.D. (2008) Minor Planet Bull. 35, 95-98.] [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] geometric albedo albedo 0.206   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   2093 Genichesk           Discovered 1971 Apr. 28 by T. M. Smirnova at the Crimean Astrophysical Observatory. Named for the discoverer's birthplace, a town in the Ukrainian S.S.R. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC 5282 Last Updated: 2007-10-23 Alternate Designations  1971 HX = 1974 CN1 = 1975 VG2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-27 02:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin