+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 45 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1679990255561957 1.4905e-08   a 2.269448315802001 5.363e-09 au q 1.888183210197115 3.4257e-08 au i 6.09185171400593 8.197e-07 deg node 154.8271045793537 1.1094e-05 deg peri 118.1387979753482 1.1008e-05 deg M 161.7331041552841 6.178e-06 deg tp 2458639.483940942453 (2019-Jun-04.98394094) 2.0786e-05 TDB period 1248.75969156447 3.42 4.4265e-06 1.212e-08 d yr n .2882860508966182 1.0219e-09 deg/d Q 2.650713421406886 6.264e-09 au   Orbit Determination Parameters    # obs. used (total)      2978      data-arc span      25899 days (70.91 yr)      first obs. used      1950-04-17      last obs. used      2021-03-14      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .4483      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 13:19:57   Additional Information  Earth MOID = .879381 au   Jupiter MOID = 2.47255 au   T_jup = 3.587  [ 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 13.09   n/a E2021B10   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-May-14 01:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin