Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
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 ]
:
Orbital Elements at Epoch 2456498.5 (2013-Jul-25.0) TDB
Reference: JPL 68 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .600436983973088 4.747e-08  
a 3.565425546726039 2.7514e-08 AU
q 1.424612184869258 1.7249e-07 AU
i 19.05165464670012 5.1983e-06 deg
node 118.8471037380482 1.7717e-05 deg
peri 332.8715347055068 2.454e-05 deg
M 94.39985566784358 5.9182e-06 deg
tp 2455853.686213617171
(2011-Oct-19.18621362)
3.4251e-05 JED
period 2459.039385765633
6.73
2.8464e-05
7.793e-08
d
yr
n .1463986311418564 1.6946e-09 deg/d
Q 5.70623890858282 4.4034e-08 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 3.400693616044143E-10 1.636E-11
A2 [EST] -5.578571698888766E-12 1.119E-13
  Orbit Determination Parameters
   # obs. used (total)      2931  
   data-arc span      22807 days (62.44 yr)  
   first obs. used      1951-01-08  
   last obs. used      2013-06-18  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .67042  
   data source      ORB  
   producer      Ryan S. Park  
   solution date      2013-Jul-15 11:17:16  

Additional Information
 Earth MOID = .465143 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 13.8 mag 0.8 68 2 parameter fit from 499 observations, autocmod 2.5c
comet total magnitude slope K1 7.   n/a 68 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 02:08 00:03 Earth 0.492630074037911 0.4926075316475 0.492652621378321 8.16607999443239 8.16541763242074 2418681.588692031 2.58158171957973 1500.73224322824 24.2091274700886 -68.2182365176432 1670732.55243887 T 68 CATAB v2.0c-linF95 2013-Jul-15 11:22:02 2013-Jul-15 11:22
1913-Jan-06 18:27 00:03 Jupiter 1.09056910420051 1.09056250361613 1.09057570485879 5.88404749943272 5.75053529808099 2419774.268490034 2.52965296252826 56.9917333094314 5.37724865753389 -54.1698072937821 2415555.09536729 T 68 CATAB v2.0c-linF95 2013-Jul-15 11:22:02 2013-Jul-15 11:22
1949-May-11 12:03 < 00:01 Jupiter 1.25454517567458 1.25453320710369 1.25455714421218 10.1263310266975 10.0594360666783 2433048.001740214 0.598287984799323 140.646708292049 9.48558755733903 -20.5575947532011 1178075.34394916 T 68 CATAB v2.0c-linF95 2013-Jul-15 11:22:02 2013-Jul-15 11:22
1951-Jan-04 20:23 < 00:01 Earth 0.434961289373004 0.434960423421338 0.434962155324378 9.02774501414738 9.02706643769505 2433651.349489538 0.197785493137444 87.8694372711301 35.3322033404529 -87.2524034491938 1158030.96979327 T 68 CATAB v2.0c-linF95 2013-Jul-15 11:22:02 2013-Jul-15 11:22
1960-Feb-16 21:18 00:01 Jupiter 1.16833350213393 1.1683284242174 1.16833858009441 6.62655052362934 6.51622626984623 2436981.387402035 1.19100445620166 64.3823278769551 7.36068879185811 -50.3532259654417 2025138.03011307 T 68 CATAB v2.0c-linF95 2013-Jul-15 11:22:02 2013-Jul-15 11:22
1996-Nov-06 13:22 < 00:01 Jupiter 0.977024041712116 0.977020979116283 0.977027104304552 9.34238861698776 9.24912657400065 2450394.057180020 0.118652436835001 32.6617999189176 9.81914164242738 -19.6348534503893 1009870.73225844 T 68 CATAB v2.0c-linF95 2013-Jul-15 11:22:02 2013-Jul-15 11:22
2007-Sep-17 12:40 < 00:01 Jupiter 1.11951154742333 1.11950932329833 1.1195137715524 6.5794460364518 6.46342865426625 2454361.027981367 0.291849026599766 16.6269498431919 5.84839431509962 -31.1668088645872 1875390.25947363 T 68 CATAB v2.0c-linF95 2013-Jul-15 11:22:02 2013-Jul-15 11:22
2055-Sep-04 01:49 00:01 Jupiter 0.862043455946613 0.86203737522599 0.862049536705635 6.03760980992423 5.87261285815011 2471879.575709061 1.47730097248223 41.7518797429834 4.16837616513335 -44.0573189826162 2168630.98353364 T 68 CATAB v2.0c-linF95 2013-Jul-15 11:22:02 2013-Jul-15 11:22
2058-Dec-20 01:01 00:01 Mars 0.086800790491132 0.0867937086999614 0.0868078737431936 12.4523284937957 12.4520636218642 2473082.542614901 1.00104657779472 620.84392236148 16.3299837129214 -57.6294505203387 623052.427646033 T 68 CATAB v2.0c-linF95 2013-Jul-15 11:22:02 2013-Jul-15 11:22
2102-Nov-27 01:31 < 00:01 Jupiter 0.985461746917009 0.98545840461067 0.985465089247126 6.14821990132767 6.00679374454209 2489129.562872287 0.719363565363671 21.936153216005 5.87005030219404 -42.9038372468071 1818844.97712562 T 68 CATAB v2.0c-linF95 2013-Jul-15 11:22:02 2013-Jul-15 11:22
2139-Jan-25 10:18 00:03 Jupiter 1.11300745837951 1.11298130574532 1.1130336106456 9.54856790844472 9.46853242200209 2502337.929101557 2.91073653894991 307.539343923044 20.7632999116323 12.9209923498272 293159.219489644 T 68 CATAB v2.0c-linF95 2013-Jul-15 11:22:02 2013-Jul-15 11:22
2149-Dec-23 21:37 00:02 Jupiter 1.2828257332221 1.28281463938962 1.2828368271188 7.25605174670119 7.1644769178105 2506323.401033429 2.31814706645798 47.4644905007032 10.0339644506322 6.78149933012084 554468.522703159 T 68 CATAB v2.0c-linF95 2013-Jul-15 11:22:02 2013-Jul-15 11:22
2186-Jul-25 09:39 00:02 Jupiter 0.80654287368328 0.806507929364234 0.806577817718249 8.71116896407511 8.58976638311608 2519685.901911205 2.27552273342544 304.840278061294 33.1691508439899 -17.0110233998364 161763.719101007 T 68 CATAB v2.0c-linF95 2013-Jul-15 11:22:02 2013-Jul-15 11:22
2195-Jan-03 23:13 00:01 Earth 0.454950585556711 0.454950431081443 0.454950754853856 12.0195238884355 12.0190366184465 2522770.467460745 1.41106308501549 3742.0831910451 37.5843557796018 88.4196518180123 1327302.6614264 T 68 CATAB v2.0c-linF95 2013-Jul-15 11:22:02 2013-Jul-15 11:22
2197-Aug-02 00:10 00:02 Jupiter 1.10151958826605 1.10150724494769 1.1015319316464 7.00943005159808 6.89885448595579 2523711.507235277 1.78886555057335 63.5723105189598 7.97755770582777 -20.0769901334153 869527.359423331 T 68 CATAB v2.0c-linF95 2013-Jul-15 11:22:02 2013-Jul-15 11:22

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-26 09:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin