+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190893 (2001 UW5) Classification: Main-belt Asteroid          SPK-ID: 2190893 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1873860728320885 4.1879e-08   a 2.392930333620786 1.257e-08 au q 1.944528515842807 1.0423e-07 au i 5.867150144299073 4.7298e-06 deg node 84.72027788775985 5.529e-05 deg peri 319.0690242896306 5.8083e-05 deg M 70.71528271954733 1.7871e-05 deg tp 2458934.914542698327 (2020-Mar-26.41454270) 6.6048e-05 TDB period 1352.052356317217 3.70 1.0654e-05 2.917e-08 d yr n .2662618783347893 2.098e-09 deg/d Q 2.841332151398764 1.4926e-08 au   Orbit Determination Parameters    # obs. used (total)      376      data-arc span      7029 days (19.24 yr)      first obs. used      2001-10-21      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59789      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 12:03:34   Additional Information  Earth MOID = .95743 au   Jupiter MOID = 2.55704 au   T_jup = 3.500  [ 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 16.7   n/a MPO251476   diameter diameter 2.986 km 0.599 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.034   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   190893 (2001 UW5)          Discovered 2001-Oct-21 by Yeung, W. K. Y. at Desert Eagle Reference: 20080917/Numbers.arc Last Updated: 2008-09-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-12 06:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin