+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1394 Algoa (1936 LK) Classification: Main-belt Asteroid          SPK-ID: 2001394 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 40 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07679101591327166 1.8294e-08   a 2.43879347485017 5.6054e-09 au q 2.251516046313768 4.5358e-08 au i 2.675543274377427 5.6638e-07 deg node 178.76196258 1.6157e-05 deg peri 113.4716456391348 1.6842e-05 deg M 45.862842564539 5.5351e-06 deg tp 2459023.277266317437 (2020-Jun-22.77726632) 2.1381e-05 TDB period 1391.108369175806 3.81 4.796e-06 1.313e-08 d yr n .2587864525703991 8.922e-10 deg/d Q 2.626070903386573 6.0358e-09 au   Orbit Determination Parameters    # obs. used (total)      3797      data-arc span      30896 days (84.59 yr)      first obs. used      1936-06-12      last obs. used      2021-01-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .38296      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 12:23:23   Additional Information  Earth MOID = 1.23508 au   Jupiter MOID = 2.48308 au   T_jup = 3.497  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 11.63   n/a E2021B10   rotation period rot_per 2.768 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Hills, K. (2012) Minor Planet Bull. 39, 239-240.] [Klinglesmith III, D.A.; Risley, E.; Turk, J.; Vargas, A.; Warren, C. (2013) Minor Planet Bull. 40, 16-17.] [Aimar, F.; Ghio, G. (2019) Minor Planet Bull. 46, 286.] [Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] 1394 Algoa (1936 LK)          Discovered 1936-Jun-12 by Jackson, C. at Johannesburg (UO) Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1936 LK = 1929 TT = 1933 UY1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-22 15:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin