+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   19328 (1996 XY28) Classification: Main-belt Asteroid          SPK-ID: 2019328 [ 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 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1107917623901901 3.3673e-08   a 2.455627436352961 8.6158e-09 au q 2.183564144905712 8.3675e-08 au i 1.770273423141721 3.4987e-06 deg node 66.24484857645783 0.00011485 deg peri 91.72587026883771 0.00011593 deg M 8.48596907081162 1.606e-05 deg tp 2459167.368500948084 (2020-Nov-13.86850095) 6.2668e-05 TDB period 1405.536546169481 3.85 7.3972e-06 2.025e-08 d yr n .2561299462337786 1.348e-09 deg/d Q 2.72769072780021 9.5704e-09 au   Orbit Determination Parameters    # obs. used (total)      1808      data-arc span      10758 days (29.45 yr)      first obs. used      1991-08-05      last obs. used      2021-01-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5313      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:42:28   Additional Information  Earth MOID = 1.19328 au   Jupiter MOID = 2.25091 au   T_jup = 3.484  [ 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 14.66   n/a E2021B10   diameter diameter 6.715 km 0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.062   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   19328 (1996 XY28)          Discovered 1996-Dec-12 by Spacewatch at Kitt Peak Reference: 20001211/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1996 XY28 = 1991 PR26 = 1998 HW94  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-11 19:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin