+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   452323 (2000 KQ39) Classification: Main-belt Asteroid          SPK-ID: 2452323 [ 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 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2342510115488194 1.1307e-07   a 2.635676175249076 1.7454e-08 au q 2.018266365081856 2.9662e-07 au i 4.489032012371938 7.2084e-06 deg node 107.5336209237397 0.00013195 deg peri 90.80696888790726 0.00013334 deg M 268.3915964302922 1.7518e-05 deg tp 2459398.212569898333 (2021-Jul-02.71256990) 7.7576e-05 TDB period 1562.919116415475 4.28 1.5525e-05 4.251e-08 d yr n .2303382153426168 2.288e-09 deg/d Q 3.253085985416295 2.1542e-08 au   Orbit Determination Parameters    # obs. used (total)      107      data-arc span      6660 days (18.23 yr)      first obs. used      2000-05-24      last obs. used      2018-08-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60995      source      ORB      producer      Otto Matic      solution date      2019-Jul-13 13:04:51   Additional Information  Earth MOID = 1.02238 au   Jupiter MOID = 1.71713 au   T_jup = 3.354  [ 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 17.4   n/a MPO437750   452323 (2000 KQ39)          Discovered 2000-May-24 by Spacewatch at Kitt Peak Reference: Last Updated: 2016-01-04 [ 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 1916-Jul-08 12:37 00:03 Jupiter 1.71954129961204 1.71954006630832 1.71954253292085 0.786713483817018 n/a 2421053.025775956 3.04600651916435 227.129141830325 45.4195810030459 -79.2617284203654 5566874.43241964 F 8 CATAB v2.0e-lin.ifort 2019-Jul-13 13:04:53 2019-Jul-13 13:04 1963-Jun-09 01:03 00:02 Jupiter 1.74363950655406 1.74363879517925 1.74364021792888 0.909904445420499 n/a 2438189.543625133 1.65783218717597 123.926869311974 35.3631800190356 88.6520565651273 7372265.58692032 F 8 CATAB v2.0e-lin.ifort 2019-Jul-13 13:04:53 2019-Jul-13 13:04 2010-May-02 18:32 < 00:01 Jupiter 1.89240382524034 1.89240310287838 1.89240454760112 1.50300313957223 1.16783426277444 2455319.272532215 0.546120844576272 233.383564891001 148.072853498266 41.9885818259939 1068146.16864631 T 8 CATAB v2.0e-lin.ifort 2019-Jul-13 13:04:53 2019-Jul-13 13:04 2024-Jan-19 17:39 < 00:01 Jupiter 1.87066978353105 1.87066853812854 1.87067102893272 1.35360085908685 0.96262828067763 2460329.235207970 0.494892098777622 672.469538952971 393.981698927063 14.5262753057258 513430.484629857 T 8 CATAB v2.0e-lin.ifort 2019-Jul-13 13:04:53 2019-Jul-13 13:04 2070-Dec-14 21:46 00:02 Jupiter 1.73091905623753 1.7309180012191 1.73092011125618 0.832754543259718 n/a 2477460.406860034 1.64810322971801 208.059556863721 51.9956855470476 -87.7204368935705 4974989.62941481 F 8 CATAB v2.0e-lin.ifort 2019-Jul-13 13:04:53 2019-Jul-13 13:04 2117-Nov-16 04:11 00:03 Jupiter 1.72656591038119 1.72656476337958 1.72656705738606 0.819268163540982 n/a 2494597.674418346 3.05630959947454 203.897469857962 45.5772275418538 79.9865676046641 5583543.57096576 F 8 CATAB v2.0e-lin.ifort 2019-Jul-13 13:04:53 2019-Jul-13 13:04 2164-Oct-13 07:32 00:05 Jupiter 1.84790497546366 1.84790213266246 1.84790781827148 1.28958388439348 0.863879865258105 2511730.813804582 4.6228622197777 1687.02607163139 288.124724628241 23.14675898693 582037.10253637 T 8 CATAB v2.0e-lin.ifort 2019-Jul-13 13:04:53 2019-Jul-13 13:04 2178-Jul-01 13:12 00:05 Jupiter 1.92119773774394 1.92119439475856 1.92120108071328 1.57916272882963 1.26964162963545 2516740.049788762 5.06268124198489 502.54228111443 242.478343718824 31.4019948994092 355077.267975842 T 8 CATAB v2.0e-lin.ifort 2019-Jul-13 13:04:53 2019-Jul-13 13:04 Alternate Designations  2000 KQ39 = 2004 EA53  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-20 23:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin