+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   268336 (2005 ST114) Classification: Main-belt Asteroid          SPK-ID: 2268336 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .227646730139361 4.2313e-08   a 2.383477160292215 1.1296e-08 au q 1.840886378389843 1.0273e-07 au i 1.552684326582541 5.3049e-06 deg node 255.9641680555961 0.00020683 deg peri 63.76695492636159 0.00020728 deg M 28.9737832469843 1.4675e-05 deg tp 2458892.327311197883 (2020-Feb-12.82731120) 5.4526e-05 TDB period 1344.048432916171 3.68 9.5548e-06 2.616e-08 d yr n .2678474905989145 1.9041e-09 deg/d Q 2.926067942194587 1.3868e-08 au   Orbit Determination Parameters    # obs. used (total)      284      data-arc span      7080 days (19.38 yr)      first obs. used      2001-06-27      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54409      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 00:22:13   Additional Information  Earth MOID = .828571 au   Jupiter MOID = 2.393 au   T_jup = 3.501  [ 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 17.0   n/a MPO437234   268336 (2005 ST114)          Discovered 2005-Sep-27 by Spacewatch at Kitt Peak Reference: 20110319/Numbers.arc Last Updated: 2011-03-23 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-19 19:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin