+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14489 (1994 UW) Classification: Main-belt Asteroid          SPK-ID: 2014489 [ 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 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1507320802165546 4.1435e-08   a 2.395084698127298 5.9621e-09 au q 2.034068599283732 9.8391e-08 au i 6.275750903883992 4.7735e-06 deg node 12.87811851438935 2.7776e-05 deg peri 359.8897556699841 3.0404e-05 deg M 340.8965950159318 1.0776e-05 deg tp 2459072.343589530589 (2020-Aug-10.84358953) 4.0538e-05 TDB period 1353.878654228495 3.71 5.0554e-06 1.384e-08 d yr n .2659027076582024 9.9288e-10 deg/d Q 2.756100796970865 6.8608e-09 au   Orbit Determination Parameters    # obs. used (total)      1524      data-arc span      24566 days (67.26 yr)      first obs. used      1953-08-14      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51331      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:56:45   Additional Information  Earth MOID = 1.0344 au   Jupiter MOID = 2.70799 au   T_jup = 3.506  [ 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 15.0   n/a MPO337381   diameter diameter 2.105 km 0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.576   0.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14489 (1994 UW)          Discovered 1994-Oct-31 by Shimizu, Y., Urata, T. at Nachi-Katsuura Reference: 20000418/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1994 UW = 1979 SD13  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 22:07 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin