+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   243481 (2009 TW14) Classification: Main-belt Asteroid          SPK-ID: 2243481 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1833833668404501 5.5889e-08   a 3.011333105111414 2.3301e-08 au q 2.459104701617976 1.7617e-07 au i .9772978543999203 6.376e-06 deg node 171.8463376921223 0.00022093 deg peri 193.5111021448132 0.00022142 deg M 29.56877885205621 1.2467e-05 deg tp 2458843.728355813703 (2019-Dec-26.22835581) 6.5877e-05 TDB period 1908.695390819036 5.23 2.2153e-05 6.065e-08 d yr n .1886105041860667 2.1891e-09 deg/d Q 3.563561508604852 2.7574e-08 au   Orbit Determination Parameters    # obs. used (total)      326      data-arc span      7732 days (21.17 yr)      first obs. used      1998-08-27      last obs. used      2019-10-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56029      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 00:56:15   Additional Information  Earth MOID = 1.45739 au   Jupiter MOID = 1.89768 au   T_jup = 3.223  [ 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 16.5   n/a MPO494333   diameter diameter 2.794 km 0.374 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.062   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   243481 (2009 TW14)          Discovered 2009-Oct-14 by La Sagra at La Sagra Reference: 20100626/Numbers.arc Last Updated: 2010-06-28 [ 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 1933-Dec-30 09:54 00:03 Jupiter 1.89288863168922 1.89288813398125 1.8928891293973 1.83526160368874 1.572651536589 2427436.912840524 2.99635844596885 149.888155979391 28.0675350024675 -88.0364349484483 2018247.8627843 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 00:56:17 2020-Nov-12 00:56 1980-Jun-26 11:18 00:01 Jupiter 1.89133725674317 1.89133667824333 1.89133783524301 1.8831245833846 1.62802696871235 2444416.971083106 1.29058250450647 91.9097241372891 22.6669434077612 -75.2048178677239 2053808.01423993 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 00:56:17 2020-Nov-12 00:56 2017-Nov-30 21:51 < 00:01 Jupiter 1.97537446164323 1.97537401170138 1.97537491158498 2.21386093087253 2.01087008522307 2458088.410640579 0.314337502304208 50.6510737148569 7.51677144909896 -89.3498270813346 2318875.16948557 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 00:56:17 2020-Nov-12 00:56 2064-May-28 09:27 00:02 Jupiter 1.88488221224317 1.88488168251785 1.88488274196806 1.80659207810386 1.53786252534075 2475068.893797346 1.8189306485549 100.186888775661 36.7801845556708 84.900452629322 1755421.42697187 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 00:56:17 2020-Nov-12 00:56 2110-Nov-24 14:49 00:04 Jupiter 1.90761123075415 1.90761050508074 1.9076119564306 1.96351098304748 1.72259402134334 2492049.117519544 3.54498064329149 192.559468748121 16.920275926121 -84.8460232269044 2013328.23868051 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 00:56:17 2020-Nov-12 00:56 2148-Apr-30 17:59 00:05 Jupiter 1.94565177390758 1.94565049049323 1.94565305732492 2.08839773933152 1.8683475522564 2505721.249595292 4.83541816312866 179.641985783003 12.1700483419198 83.6845841431994 1807800.93767386 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 00:56:17 2020-Nov-12 00:56 2194-Oct-27 19:07 00:07 Jupiter 1.88301644748405 1.88301592227322 1.88301697269693 1.80072957139461 1.53068046300481 2522702.296328803 6.57380592682037 327.370428813093 34.8278030299582 87.7883411977341 1871491.31725716 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 00:56:17 2020-Nov-12 00:56 Alternate Designations  2009 TW14 = 1998 QL60 = 2004 YP8 = 2007 HU9  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-27 02:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin