+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78419 (2002 QX39) Classification: Outer Main-belt Asteroid          SPK-ID: 2078419 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1407707045995004 6.312e-08   a 3.420685725962334 3.5906e-08 au q 2.939153386105163 2.2209e-07 au i 5.909205893432884 8.4586e-06 deg node 177.9322061982274 5.1167e-05 deg peri 245.4446057994233 5.8667e-05 deg M 254.0699390230284 3.0551e-05 deg tp 2459880.462420925706 (2022-Oct-27.96242093) 0.00020129 TDB period 2310.831026392679 6.33 3.6384e-05 9.961e-08 d yr n .1557881108087673 2.4529e-09 deg/d Q 3.902218065819504 4.096e-08 au   Orbit Determination Parameters    # obs. used (total)      417      data-arc span      9566 days (26.19 yr)      first obs. used      1993-03-24      last obs. used      2019-06-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57836      source      ORB      producer      Otto Matic      solution date      2020-Feb-23 18:23:52   Additional Information  Earth MOID = 1.95803 au   Jupiter MOID = 1.48214 au   T_jup = 3.118  [ hide covariance matrix ] Orbital Elements at Epoch 2456833.5 (2014-Jun-25.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1502652908983613 6.366e-08   q 2.888961253056552 2.2536e-07 au tp 2457575.898735194348 (2016-Jul-06.39873519) 0.00016678 TDB node 178.8187311617757 5.1282e-05 deg peri 243.9781770400633 5.7346e-05 deg i 5.907049014216647 8.4913e-06 deg   Orbit Determination Parameters    # obs. used (total)      417      data-arc span      9566 days (26.19 yr)      first obs. used      1993-03-24      last obs. used      2019-06-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57836      source      ORB      producer      Otto Matic      solution date      2020-Feb-23 18:23:52   Additional Information  Jupiter MOID = 1.48214 au   T_jup = 3.118  Orbit Covariance (6×6)   e q tp node peri i e 4.052537185309661E-15 -1.423350330488751E-14 -6.654873238079956E-12 1.545233516293447E-14 -9.979281922692568E-13 3.797843985650812E-15 q -1.423350330488751E-14 5.078761819303693E-14 2.452012409078987E-11 -2.701266129805493E-14 3.600566733116455E-12 -1.19160516663733E-15 tp -6.654873238079956E-12 2.452012409078987E-11 2.78149954413458E-8 -2.23682263569528E-11 4.30085844496092E-9 4.330727716947565E-12 node 1.545233516293447E-14 -2.701266129805493E-14 -2.23682263569528E-11 2.629892768170035E-9 -2.619035843918496E-9 1.736874843259064E-10 peri -9.979281922692568E-13 3.600566733116455E-12 4.30085844496092E-9 -2.619035843918496E-9 3.28858608146128E-9 -1.722320053370574E-10 i 3.797843985650812E-15 -1.19160516663733E-15 4.330727716947565E-12 1.736874843259064E-10 -1.722320053370574E-10 7.210228458465673E-11 [ 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 15.1   n/a MPO432334   diameter diameter 5.228 km 0.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.065   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   78419 (2002 QX39)          Discovered 2002-Aug-27 by NEAT at Palomar Reference: 20040415/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 1913-Mar-07 08:56 00:06 Jupiter 1.50486193625956 1.50486070822022 1.50486316430421 1.39032676989433 0.898495376197623 2419833.872391257 5.79720349199676 550.236639371207 132.042408893318 26.9154726079623 1705283.37440087 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 18:24:12 2020-Feb-23 18:24 1926-Oct-09 20:12 00:05 Jupiter 1.6790402007492 1.67903843816366 1.67904196334248 2.93189382876022 2.75446271905119 2424798.341839739 4.7075040796536 251.507089157603 27.6342228066115 83.6973319769338 1109073.52279157 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 18:24:12 2020-Feb-23 18:24 1940-Mar-24 07:03 00:04 Jupiter 1.89687313981532 1.89687157048074 1.89687470915518 4.46906405070267 4.36800424652266 2429712.793687246 3.66959016966576 205.579704646112 36.7243995350788 72.6946219940925 1901601.04842003 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 18:24:12 2020-Feb-23 18:24 1980-May-22 04:09 00:02 Jupiter 1.89704186416678 1.89704070365609 1.89704302467801 3.12056211099913 2.97404016911349 2444381.672804261 2.02281486783518 103.842928491896 29.2041258417169 73.082863490428 1651143.45288596 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 18:24:12 2020-Feb-23 18:24 1993-Oct-30 15:59 00:01 Jupiter 1.61770467401872 1.61770355906466 1.61770578897185 2.17384561818536 1.91791924527908 2449291.165845457 1.39248129137197 86.7087430737907 45.6386672616137 83.2907898991223 964066.493520814 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 18:24:12 2020-Feb-23 18:24 2007-Apr-25 11:43 < 00:01 Jupiter 1.47380179582178 1.47380106755571 1.47380252409631 1.35640360969777 0.830898254289991 2454215.988133234 0.726972554360891 555.51956985106 118.485485840335 28.803102237722 2786873.62104709 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 18:24:12 2020-Feb-23 18:24 2020-Dec-01 21:56 < 00:01 Jupiter 1.55229961540957 1.55229877652947 1.55230045428915 1.98017003099051 1.68218910064722 2459185.413628491 0.567628838748991 110.957878890623 35.4265591778433 -87.5559173720375 1361443.19772772 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 18:24:12 2020-Feb-23 18:24 2034-Jun-12 05:22 00:01 Jupiter 1.77087618855877 1.77087525305656 1.77087712406089 3.76932926358717 3.64022376422671 2464125.723525114 1.04843380860374 77.7123575193337 37.8546993084977 82.584217759136 1576810.66697288 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 18:24:12 2020-Feb-23 18:24 2088-Jan-07 14:29 00:03 Jupiter 1.77352498982742 1.77352369288057 1.7735262867771 2.70962739017236 2.52723075231432 2483693.103157395 3.39694408895486 180.346071869582 30.8449990550357 80.7461209965857 1395868.26858498 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 18:24:12 2020-Feb-23 18:24 2101-Jun-26 02:15 00:04 Jupiter 1.52555174287012 1.52555059704706 1.52555288868997 1.68269769164745 1.31187807312586 2488610.594045579 4.31610535206205 220.666014679796 171.482398232718 -43.7903938249755 686546.611687695 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 18:24:12 2020-Feb-23 18:24 2115-Jan-18 10:02 00:06 Jupiter 1.4781881176342 1.47818737909534 1.47818885617642 1.32166605961835 0.775095563699478 2493564.918349039 5.4966432314908 938.502300124092 182.249602890457 16.1930785210387 1329234.52487381 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 18:24:12 2020-Feb-23 18:24 2128-Aug-18 05:56 00:06 Jupiter 1.62363590332848 1.62363439434639 1.62363741232699 2.87598982582558 2.68848514620132 2498525.747063114 5.98313149720584 339.925499627977 25.3100793031893 87.1557336833997 1182250.89435826 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 18:24:12 2020-Feb-23 18:24 2142-Feb-05 07:53 00:06 Jupiter 1.89299712780534 1.89299511792995 1.89299913769676 4.3458750448623 4.24166581673168 2503444.828337475 6.25796670666165 323.593235685965 37.5771427172262 75.0007996518115 1855781.09811985 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 18:24:12 2020-Feb-23 18:24 2182-Mar-27 10:22 00:08 Jupiter 1.92870431555651 1.92870186859717 1.92870676253975 3.33733123032765 3.20303708092978 2518104.931760695 7.9399560192384 381.79554084594 27.7179571375099 76.1444163155823 2041948.44620497 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 18:24:12 2020-Feb-23 18:24 2195-Sep-03 01:45 00:09 Jupiter 1.65256641810275 1.65256362784897 1.65256920838622 2.20000423444804 1.953181793344 2523012.572862097 8.95982579849045 447.31660419869 38.3301074721048 -89.7460421948971 977492.571460167 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 18:24:12 2020-Feb-23 18:24 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-05 23:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin