+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 39 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1242940343827747 3.8637e-08   a 3.132144955212735 1.7543e-08 au q 2.742838022457689 1.2365e-07 au i 19.38843229328187 4.675e-06 deg node 347.5581650662418 1.1937e-05 deg peri 64.4939433486669 2.523e-05 deg M 2.043651299716785 1.9377e-05 deg tp 2459189.006150629416 (2020-Dec-05.50615063) 0.000109 TDB period 2024.70244017827 5.54 1.701e-05 4.657e-08 d yr n .1778039048386305 1.4938e-09 deg/d Q 3.521451887967781 1.9723e-08 au   Orbit Determination Parameters    # obs. used (total)      2429      data-arc span      24598 days (67.35 yr)      first obs. used      1953-09-17      last obs. used      2021-01-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .3665      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 01:27:49   Additional Information  Earth MOID = 1.80811 au   Jupiter MOID = 2.00624 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 11.18   n/a E2021B10   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. 2020-October); 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 ] 2021-Mar-04 23:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin