+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   49P/Arend-Rigaux Classification: Jupiter-family Comet          SPK-ID: 1000002 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] alternate orbits: [epoch=2013-03-13.0] 67 (default) [epoch=1998-07-06.0] SAO/1998 [epoch=1991-09-21.0] SAO/1991 [epoch=1984-12-06.0] SAO/1984 [epoch=1978-02-21.0] SAO/1978 [epoch=1971-03-30.0] SAO/1971 [epoch=1964-06-14.0] SAO/1964 [epoch=1957-08-30.0] SAO/1957 [epoch=1950-12-25.0] SAO/1950 Orbital Elements at Epoch 2456364.5 (2013-Mar-13.0) TDB Reference: JPL 67 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6004496702270002 4.8104e-08   a 3.564855344969498 2.826e-08 AU q 1.424339128675604 1.7511e-07 AU i 19.05024161258357 5.2479e-06 deg node 118.8553403870046 1.7836e-05 deg peri 332.8500229283208 2.5214e-05 deg M 74.80542766445956 5.9236e-06 deg tp 2455853.651757241623 (2011-Oct-19.15175724) 3.5404e-05 JED period 2458.449515427209 6.73 2.9234e-05 8.004e-08 d yr n .1464337574316397 1.7413e-09 deg/d Q 5.705371561263394 4.5229e-08 AU Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A1 [EST] 3.596133560339624E-10 1.682E-11 A2 [EST] -5.595731170765886E-12 1.117E-13   Orbit Determination Parameters    # obs. used (total)      2904      data-arc span      22472 days (61.52 yr)      first obs. used      1951-01-08      last obs. used      2012-07-18      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .66727      data source      ORB      producer      Ryan S. Park      solution date      2013-Mar-03 19:24:22   Additional Information  Earth MOID = .462901 AU   T_jup = 2.711  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes comet total magnitude M1 13.6 mag 0.8 67 2 parameter fit from 471 observations, autocmod 2.5b comet total magnitude slope K1 8.   n/a 67 autocmod 2.5b diameter diameter 8.48 km n/a Lamy,P.L.;Toth,I.;Fernandez,Y.R.;Weaver,H.A.; (2004) Comets II, pp. 223-264   geometric albedo albedo 0.028   0.005 Earth, Moon, and Planets, v. 89, Issue 1, p. 117-134 (2002)   49P/Arend-Rigaux          Discovered 1951-Feb-05 by Arend, Silvio and Rigaux, F. at Uccle, Belgium (012) discovered on plate/photo taken on discovery date as well as 2/6 Reference: comet.dis Last Updated: 2003-08-29 [ 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 1910-Jan-10 02:06 00:02 Earth 0.492620398527615 0.492597182039443 0.492643620282736 8.16607781214823 8.16541543694964 2418681.588109365 2.66392651278684 1547.45540540397 24.4372859897109 -68.2540728533377 1655512.83022315 T 67 CATAB v2.0c-linF95 2013-Mar-03 19:33:23 2013-Mar-03 19:34 1913-Jan-06 18:28 00:02 Jupiter 1.09056651303892 1.0905597871377 1.09057323901718 5.88405012879025 5.75053766758082 2419774.270036973 2.56957433453816 57.787701416294 5.43578649068399 -54.0495577159908 2385906.55501627 T 67 CATAB v2.0c-linF95 2013-Mar-03 19:33:23 2013-Mar-03 19:34 1949-May-11 12:03 < 00:01 Jupiter 1.2545491988695 1.25453698237129 1.25456141533288 10.1263436424991 10.0594489816119 2433048.002126593 0.609515226510742 143.520005433715 9.52684211612834 -20.5492853575972 1171956.87770541 T 67 CATAB v2.0c-linF95 2013-Mar-03 19:33:23 2013-Mar-03 19:34 1951-Jan-04 20:23 < 00:01 Earth 0.434961026843177 0.434960151522014 0.434961902164055 9.02774419009966 9.0270656131758 2433651.349516840 0.200635116400718 87.9436352297525 35.7117144876699 -87.08272748422 1145587.8286428 T 67 CATAB v2.0c-linF95 2013-Mar-03 19:33:23 2013-Mar-03 19:34 1960-Feb-16 21:19 00:01 Jupiter 1.16833144479521 1.16832628713601 1.16833660250011 6.62654640587293 6.51622188645635 2436981.388385658 1.21302649852848 65.5031274850328 7.43462340233043 -50.3599317022295 2005055.27128393 T 67 CATAB v2.0c-linF95 2013-Mar-03 19:33:23 2013-Mar-03 19:34 1996-Nov-06 13:22 < 00:01 Jupiter 0.977023812724361 0.977020757398193 0.977026868047023 9.34238813488052 9.24912606506388 2450394.057172514 0.118455457398518 32.5839213581555 9.87548657752343 -19.6504227653762 1007949.74990507 T 67 CATAB v2.0c-linF95 2013-Mar-03 19:33:23 2013-Mar-03 19:34 2007-Sep-17 12:39 < 00:01 Jupiter 1.11951161192242 1.11950933787006 1.11951388597593 6.57944737011432 6.46343001861193 2454361.027567592 0.303284787144449 17.168106407023 5.89665850158289 -31.445019709725 1858902.69575583 T 67 CATAB v2.0c-linF95 2013-Mar-03 19:33:23 2013-Mar-03 19:34 2055-Sep-04 01:46 00:01 Jupiter 0.862045941269655 0.862039639722825 0.862052242856988 6.03760865398715 5.8726121521132 2471879.574147857 1.52741444675994 43.2700786203081 4.16716780464636 -44.0667839101618 2168825.24246656 T 67 CATAB v2.0c-linF95 2013-Mar-03 19:33:23 2013-Mar-03 19:34 2058-Dec-20 01:00 00:01 Mars 0.0867990328319525 0.0867918185505045 0.0868062486291456 12.4523055079319 12.4520406301479 2473082.542064828 1.01969605445931 632.381868153019 16.3547837995347 -57.6246650421113 622059.088472273 T 67 CATAB v2.0c-linF95 2013-Mar-03 19:33:23 2013-Mar-03 19:34 2102-Nov-27 01:29 < 00:01 Jupiter 0.985463253184383 0.985459743119767 0.985466763253463 6.14821628909802 6.00679026597762 2489129.562100300 0.735741513727765 22.7518826556027 5.91458062080739 -43.3386683940799 1813965.8804389 T 67 CATAB v2.0c-linF95 2013-Mar-03 19:33:23 2013-Mar-03 19:34 2139-Jan-25 10:14 00:02 Jupiter 1.11301455062262 1.1129879938067 1.11304110706772 9.54858740268622 9.46855259317262 2502337.926637161 2.98561613819112 312.9253323052 21.2440209950676 13.0919257651786 290105.073598882 T 67 CATAB v2.0c-linF95 2013-Mar-03 19:33:23 2013-Mar-03 19:34 2149-Dec-23 21:34 00:02 Jupiter 1.28282962288406 1.28281819913321 1.28284104671184 7.25604412218433 7.16446947527702 2506323.398674907 2.38504034709995 48.9924295319089 10.0626926037837 6.5667351608712 536859.066406781 T 67 CATAB v2.0c-linF95 2013-Mar-03 19:33:23 2013-Mar-03 19:34 2186-Jul-25 09:35 00:02 Jupiter 0.806533676715485 0.806498227150654 0.806569126001422 8.71115081345872 8.58974658181998 2519685.899788471 2.34868726424193 309.342017673433 34.0344402885994 -17.2896484529082 160071.332186073 T 67 CATAB v2.0c-linF95 2013-Mar-03 19:33:23 2013-Mar-03 19:34 2195-Jan-03 23:13 00:01 Earth 0.454951000981941 0.454950899553288 0.454951118230308 12.0194833974322 12.0189961262466 2522770.467959131 1.45636877023813 3861.00052150579 37.8417181628053 88.4434883366923 1318289.81184832 T 67 CATAB v2.0c-linF95 2013-Mar-03 19:33:23 2013-Mar-03 19:34 2197-Aug-02 00:07 00:01 Jupiter 1.10152458572945 1.10151180704783 1.10153736447675 7.00942342328894 6.89884825709408 2523711.505241613 1.85026744975663 65.8895244325723 8.01591500619269 -19.9556822898929 858098.800487832 T 67 CATAB v2.0c-linF95 2013-Mar-03 19:33:23 2013-Mar-03 19:34 Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   1991.6       1991 XVII     1984.9       1984 XXI   1984k   1978.1       1978 III   1977k   1971.4       1971 IV   1970j   1964.7       1964 V   1963g   1957.9   49P/1958 B1   1957 VII   1958b   1951.2   49P/1951 C2   1950 VII   1951b  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2013-Jun-19 10:17 UT (server date/time)   Site Manager:   Donald K. 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