+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .150751487465607 4.0002e-08   a 2.395171573056981 5.7076e-09 au q 2.034095895683303 9.4665e-08 au i 6.275686700153619 4.2424e-06 deg node 12.87729617573676 2.6843e-05 deg peri 359.9328962981474 2.9481e-05 deg M 34.04437622913622 1.0481e-05 deg tp 2459072.459827558355 (2020-Aug-10.95982756) 3.942e-05 TDB period 1353.952317080295 3.71 4.8396e-06 1.325e-08 d yr n .2658882410100787 9.504e-10 deg/d Q 2.756247250430659 6.568e-09 au   Orbit Determination Parameters    # obs. used (total)      1721      data-arc span      24673 days (67.55 yr)      first obs. used      1953-08-14      last obs. used      2021-03-03      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50896      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:30:56   Additional Information  Earth MOID = 1.03297 au   Jupiter MOID = 2.70895 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 15.04   n/a MPCxxxxx   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 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 2028-Dec-02 03:56 < 00:01 Amphi 0.0464004374572931 0.0463990498569122 0.0464018251076681 2.04733336977083 2.04733330925592 2462107.663692766 0.646390363425274 117.327168190887 41.441445238524 -59.7312429512839 147418.516044449 T 33 CATAB v2.0f-lin.ifort 2021-Apr-13 00:31:03 2021-Apr-13 00:31 Alternate Designations  1994 UW = 1979 SD13  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-May-11 21:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin