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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 ]
:
Orbital Elements at Epoch 2456908.5 (2014-Sep-08.0) TDB
Reference: JPL 69 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6002741375112215 4.643e-08  
a 3.566556837561493 2.8492e-08 AU
q 1.425645008009518 1.6829e-07 AU
i 19.0561588304762 5.294e-06 deg
node 118.8320203776275 1.8146e-05 deg
peri 332.9187091007017 2.482e-05 deg
M 154.3344573629339 6.5348e-06 deg
tp 2455853.791248583561
(2011-Oct-19.29124858)
3.4257e-05 JED
period 2460.20983905768
6.74
2.9481e-05
8.071e-08
d
yr
n .1463289814895987 1.7535e-09 deg/d
Q 5.707468667113468 4.5595e-08 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 2.835416534470595E-10 1.586E-11
A2 [EST] -5.221918309990964E-12 1.168E-13
  Orbit Determination Parameters
   # obs. used (total)      2957  
   data-arc span      23210 days (63.55 yr)  
   first obs. used      1951-01-08  
   last obs. used      2014-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .65769  
   data source      ORB  
   producer      Ryan S. Park  
   solution date      2014-Aug-29 14:22:04  

Additional Information
 Earth MOID = .466022 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 12.0 mag 01. 69 from 486 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 13.   n/a 69 autocmod 2.5c
comet nuclear magnitude M2 15.3 mag 0.6 69 from 2098 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 69 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 69 autocmod 2.5c
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.disLast 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 02:10 00:03 Earth 0.492658099159061 0.492636321094418 0.492679881842218 8.16607563557302 8.16541331088398 2418681.590291099 2.4935610576098 1449.77154214274 25.2696363633214 -68.2218796573879 1600752.46688968 T 69 CATAB v2.0c-linF95 2014-Aug-29 14:32:01 2014-Aug-29 14:32
1913-Jan-06 18:16 00:03 Jupiter 1.09057751899531 1.09057110305355 1.09058393500845 5.88403851978319 5.75052715534303 2419774.261037149 2.50253066527891 56.1267441950928 5.54971373923691 -54.4834597577131 2350170.97901156 T 69 CATAB v2.0c-linF95 2014-Aug-29 14:32:01 2014-Aug-29 14:32
1949-May-11 12:00 < 00:01 Jupiter 1.25452922788178 1.25451756757378 1.25454088815766 10.1262782315739 10.0593820688781 2433048.000182710 0.589344997830968 136.918533226695 9.9379423389868 -20.4465388453373 1121629.15143348 T 69 CATAB v2.0c-linF95 2014-Aug-29 14:32:01 2014-Aug-29 14:32
1951-Jan-04 20:23 < 00:01 Earth 0.434962399460426 0.434961553712383 0.434963245208348 9.02773855237231 9.02705997716184 2433651.349346979 0.199341881881187 105.288831290262 34.1162004494394 -87.6374984180222 1199552.82367959 T 69 CATAB v2.0c-linF95 2014-Aug-29 14:32:01 2014-Aug-29 14:32
1960-Feb-16 21:12 00:01 Jupiter 1.16834003994454 1.16833511728455 1.16834496265088 6.62656606914756 6.51624270383011 2436981.383215640 1.16434969232713 62.4479146119454 7.54723849383173 -50.4660343762338 1979295.04624049 T 69 CATAB v2.0c-linF95 2014-Aug-29 14:32:01 2014-Aug-29 14:32
1996-Nov-06 13:22 < 00:01 Jupiter 0.977021556144195 0.977018409060542 0.977024703224035 9.34237870542834 9.24911632630963 2450394.056952907 0.122687631242243 33.3963049433724 10.0350202383694 -19.064107004677 973311.833663808 T 69 CATAB v2.0c-linF95 2014-Aug-29 14:32:01 2014-Aug-29 14:32
2007-Sep-17 12:41 < 00:01 Jupiter 1.11951178421875 1.11950952526308 1.11951404317361 6.57944334344514 6.46342594051232 2454361.028327019 0.289712667003546 16.7330849450445 6.02742168428521 -31.03727725251 1826555.13867236 T 69 CATAB v2.0c-linF95 2014-Aug-29 14:32:01 2014-Aug-29 14:32
2055-Sep-04 01:54 00:01 Jupiter 0.862037897657505 0.862031976701996 0.862043818647759 6.03761148048487 5.87261350087418 2471879.579211790 1.42767788434238 40.5259278277461 4.62231583540749 -43.8428134569018 1951388.6535997 T 69 CATAB v2.0c-linF95 2014-Aug-29 14:32:01 2014-Aug-29 14:32
2058-Dec-20 01:05 00:01 Mars 0.0868088304471513 0.0868015107291256 0.0868161517068155 12.4524351822446 12.4521703367373 2473082.545142000 1.03048813753864 638.949049351574 16.6601244173651 -57.4701026722164 609683.2213599 T 69 CATAB v2.0c-linF95 2014-Aug-29 14:32:01 2014-Aug-29 14:32
2102-Nov-27 01:31 < 00:01 Jupiter 0.985459894866718 0.985456594186925 0.98546319555633 6.14823194936028 6.00680581077764 2489129.563454980 0.745154716893676 22.2218729965899 5.95638631270497 -41.7448963145936 1758838.45356763 T 69 CATAB v2.0c-linF95 2014-Aug-29 14:32:01 2014-Aug-29 14:32
2139-Jan-25 10:30 00:03 Jupiter 1.11297633491836 1.11295057797428 1.11300209151287 9.54848454108369 9.46844610428726 2502337.937356332 2.82739603231706 302.068516249922 21.1727693067449 12.7777769623575 285501.549757371 T 69 CATAB v2.0c-linF95 2014-Aug-29 14:32:01 2014-Aug-29 14:32
2149-Dec-23 21:48 00:02 Jupiter 1.28281381427873 1.28280294281693 1.2828246858012 7.25607798021176 7.16450263258143 2506323.408138279 2.24540373148925 46.6993459307291 10.6183777963361 6.24390151457997 546104.091189834 T 69 CATAB v2.0c-linF95 2014-Aug-29 14:32:01 2014-Aug-29 14:32
2186-Jul-25 09:47 00:02 Jupiter 0.80658449230398 0.806550029341891 0.806618954980825 8.71125805958138 8.58986304918919 2519685.907983972 2.19947166352154 300.707216791924 33.8555097972902 -16.6699606175731 156417.37543628 T 69 CATAB v2.0c-linF95 2014-Aug-29 14:32:01 2014-Aug-29 14:32
2195-Jan-03 23:11 00:01 Earth 0.454950500076466 0.454950291569437 0.454950721836876 12.0196291148862 12.0191418490686 2522770.465965047 1.3654119946967 3619.18101207406 38.4686748220895 88.4090140189333 1296788.93168945 T 69 CATAB v2.0c-linF95 2014-Aug-29 14:32:01 2014-Aug-29 14:32
2197-Aug-02 00:18 00:02 Jupiter 1.10150709110079 1.10149508707329 1.10151909518691 7.00945018768064 6.89887368289011 2523711.512467943 1.72618614886139 61.854836433497 8.34531189195235 -20.0849323282267 838416.309263081 T 69 CATAB v2.0c-linF95 2014-Aug-29 14:32:01 2014-Aug-29 14:32

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 
 1964.6       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 ]
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