+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1108877934664543 3.3843e-08   a 2.455801410801409 8.6952e-09 au q 2.183483011165836 8.4224e-08 au i 1.770310195019312 3.5328e-06 deg node 66.24864589256265 0.00011488 deg peri 91.75897557228282 0.00011597 deg M 317.2365326536439 1.617e-05 deg tp 2459167.477788293603 (2020-Nov-13.97778829) 6.3328e-05 TDB period 1405.68591641153 3.85 7.4656e-06 2.044e-08 d yr n .256102729490964 1.3602e-09 deg/d Q 2.728119810436983 9.6594e-09 au   Orbit Determination Parameters    # obs. used (total)      1719      data-arc span      10491 days (28.72 yr)      first obs. used      1991-08-05      last obs. used      2020-04-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5255      source      ORB      producer      Otto Matic      solution date      2020-May-20 04:59:51   Additional Information  Earth MOID = 1.19343 au   Jupiter MOID = 2.25136 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 14.6   n/a MPO416915   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 ] 2020-Sep-29 21:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin