+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   5920 (1992 SX17) Classification: Main-belt Asteroid          SPK-ID: 2005920 [ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1241054896826887 3.9281e-08   a 3.131532045267538 2.1792e-08 au q 2.742891727332579 1.2777e-07 au i 19.38911390352869 6.576e-06 deg node 347.5600893779119 1.3075e-05 deg peri 64.47724467703038 2.9675e-05 deg M 326.4828133753881 2.657e-05 deg tp 2459188.951142183725 (2020-Dec-05.45114218) 0.00014992 TDB period 2024.1081671313 5.54 2.1128e-05 5.785e-08 d yr n .1778561076161339 1.8565e-09 deg/d Q 3.520172363202498 2.4496e-08 au   Orbit Determination Parameters    # obs. used (total)      1837      data-arc span      24217 days (66.30 yr)      first obs. used      1953-09-17      last obs. used      2020-01-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .41249      source      ORB      producer      Otto Matic      solution date      2020-Jan-28 20:14:18   Additional Information  Earth MOID = 1.80916 au   Jupiter MOID = 2.00734 au   T_jup = 3.114  [ 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 11.1   n/a MPO502210   diameter diameter 16.514 km 0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 2.93681 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.283   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   5920 (1992 SX17)          Discovered 1992-Sep-30 by Holt, H. E. at Palomar Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1992 SX17 = 1948 TD2 = 1953 SO = 1983 HB2 = 1990 EG  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-06 11:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin