+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14793 (1975 SE2) Classification: Main-belt Asteroid          SPK-ID: 2014793 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1385212197035218 4.017e-08   a 2.421076705404463 7.866e-09 au q 2.085706207176053 9.9419e-08 au i 6.846872757794724 3.6216e-06 deg node 40.29146988270735 3.2982e-05 deg peri 332.3762342871647 3.5196e-05 deg M 53.72073041105707 1.2165e-05 deg tp 2459191.170826650310 (2020-Dec-07.67082665) 4.642e-05 TDB period 1375.977240820876 3.77 6.7057e-06 1.836e-08 d yr n .2616322344003541 1.275e-09 deg/d Q 2.756447203632873 8.9556e-09 au   Orbit Determination Parameters    # obs. used (total)      1303      data-arc span      16572 days (45.37 yr)      first obs. used      1975-09-30      last obs. used      2021-02-12      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52097      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 17:20:46   Additional Information  Earth MOID = 1.08861 au   Jupiter MOID = 2.71069 au   T_jup = 3.491  [ 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 15.20   n/a MPCxxxxx   rotation period rot_per 3.61 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Stephens, R.D.; Warner, B.D. (2021) Minor Planet Bull. 48-1, submitted. (MBA Gaggle) http://www.planetarysciences.org/lightcurves.html] 14793 (1975 SE2)          Discovered 1975-Sep-30 by Bus, S. J. at Palomar Reference: 20000523/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1975 SE2 = 1990 SC7  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jul-31 11:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin