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209P/LINEAR
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000487
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455715.5 (2011-Jun-03.0) TDB
Reference: JPL 126 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6923075240469339 6.6102e-09  
a 2.931145003353188 5.9566e-09 AU
q .9018912634592007 1.9478e-08 AU
i 19.43778560277115 3.9286e-06 deg
node 65.48656866890643 1.8917e-06 deg
peri 150.4503987384923 5.6015e-06 deg
M 152.5246186387263 2.9338e-07 deg
tp 2454938.909937126033
(2009-Apr-17.40993713)
3.5414e-06 JED
period 1832.965885309508
5.02
5.5873e-06
1.53e-08
d
yr
n .1964030006697106 5.9869e-10 deg/d
Q 4.960398743247175 1.008e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      2484  
   # delay obs. used      9  
   # Doppler obs. used      4  
   data-arc span      3940 days (10.79 yr)  
   first obs. used      2003-12-03  
   last obs. used      2014-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .43044  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-30 09:13:04  

Additional Information
 Earth MOID = .0509078 AU 
 T_jup = 2.797 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 16.9 mag 2. 126 from 247 observations, assumed slope, autocmod 2.6
comet total magnitude slope K1 15.   n/a 126 autocmod 2.6
comet nuclear magnitude M2 21.1 mag 1. 126 from 1809 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 126 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 126 autocmod 2.6

[ 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
1917-May-08 17:40 < 00:01 Jupiter 0.544891671251909 0.544891263102956 0.54489207940097 7.84813983520535 7.64750556737616 2421357.236040723 0.0611269283611187 4.37395419569016 0.421717011223485 36.6720423606859 15072158.4131364 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
1940-Jul-10 22:59 < 00:01 Jupiter 1.78179496481845 1.78179470122895 1.78179522840807 11.2012858077059 11.1587656933508 2429821.457311005 0.0873630265380249 9.80330134466259 4.00181355648592 52.2059461663634 10206217.3884718 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
1952-Nov-06 01:00 < 00:01 Jupiter 1.2466525480747 1.24665192856949 1.24665316758019 11.1125227971638 11.0512120546615 2434322.541599024 0.0788573899777381 9.31962317902893 2.58870642104441 7.82914653312468 4051031.94694788 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
1954-Feb-21 17:36 < 00:01 Earth 0.405722636548732 0.405720308807925 0.405724964309268 21.9427665276793 21.9424672359626 2434795.233593243 0.0916095188251212 171.151287847667 8.54589218677973 -45.6295249835428 4531367.50090072 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
1976-Mar-12 17:33 < 00:01 Jupiter 0.920003221534028 0.920002466711574 0.920003976356318 7.24553524610352 7.11733335983889 2442850.231045491 0.113195067302489 5.09572418296765 1.50755952789645 8.5038386364085 3597037.89774617 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
1999-Feb-22 15:26 < 00:01 Earth 0.490436872806536 0.490436508376712 0.490437237236711 23.6994708954694 23.6992416542592 2451232.142930925 0.0126651384399521 20.9534873140741 8.3833492438952 -32.7349870480725 5043786.07700395 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
2004-Mar-07 18:32 < 00:01 Earth 0.386367949610773 0.386367713526388 0.3863681856954 19.2416426880952 19.2412842838356 2453072.272373869 0.0109303864458887 12.6908398326087 7.01369238497977 -30.5245200447133 4963770.48213447 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
2009-Apr-10 13:24 < 00:01 Earth 0.261274526293396 0.261274409545723 0.26127464304108 15.4689831588744 15.468323889691 2454932.058065775 0.0120873611056692 6.35001954242245 2.98964977532583 -28.4382803107051 6692167.62176556 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
2012-Feb-17 21:42 < 00:01 Jupiter 0.592442906355318 0.592442020834022 0.592443791877626 7.11421590168184 6.91032883641322 2455975.403987577 0.133737910771888 5.19736865074219 1.01912605640531 -19.77366035105 3921412.15352368 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
2014-May-29 07:51 < 00:01 Earth 0.0554539773772275 0.0554539701148387 0.0554539846396167 16.9707802528803 16.9679487691064 2456806.826922941 0.000783083077012008 2.39243768588109 0.377137301909395 -89.2965683701387 18370983.6358684 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
2047-Sep-03 11:12 < 00:01 Jupiter 0.645465489826633 0.645464358385486 0.645466621268279 7.03798016470682 6.84898769826675 2468956.966640837 0.175787226475258 6.42640290135555 0.972914691889915 -14.3947661967137 3305321.33832398 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
2060-Jun-10 06:46 < 00:01 Earth 0.349731468948867 0.349729329954661 0.349733607942369 22.0386828650354 22.0383371681909 2473620.781652086 0.0527714451582315 101.011707157091 2.2250599286986 -0.899507947135501 565887.764705261 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
2082-Nov-08 09:02 < 00:01 Jupiter 1.36393181100046 1.36393120135724 1.36393242064417 8.5669808301087 8.49418212388241 2481806.876089856 0.10411077794905 9.27359657176882 2.88951923327808 39.1153465710922 6782281.40530132 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
2095-Mar-07 14:55 < 00:01 Jupiter 1.16142679572631 1.16142553011097 1.16142806134202 10.6788297321952 10.6103164354834 2486309.121273605 0.061034607968533 15.6932849311788 3.80012278913001 8.23412403123103 2246769.07473175 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
2117-Apr-24 18:03 < 00:01 Earth 0.278787523035053 0.278782448527861 0.27879259753596 16.0161747081645 16.0155779638133 2494392.251737976 0.201580960897269 218.794060626973 2.94844807684213 -4.77417316552812 976758.05543413 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
2130-Nov-06 04:15 < 00:01 Jupiter 0.368022628384573 0.368022272570856 0.368022984198774 7.94126156073702 7.64594892628672 2499335.676748890 0.0417818816838763 5.82918255750577 2.43073744963692 71.8257265541243 2848327.56047165 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
2158-May-24 07:40 < 00:01 Earth 0.157541398042765 0.157512033355824 0.157570763975391 18.1796453683144 18.17871502473 2509396.819148981 0.916618408074826 1441.78733850489 0.992903297733109 -27.029723882193 9190692.59745285 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
2166-May-17 22:48 < 00:01 Jupiter 0.466055593991576 0.466049205491039 0.466061982579569 7.46939616338634 7.22198192451489 2512312.449869270 0.433251139055625 48.8762871366344 1.20919921423919 -44.9880695707779 5026201.08770575 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13
2184-May-09 14:36 00:01 Earth 0.202538694046082 0.202502790250071 0.20257461386955 16.3853554723089 16.3845525766232 2518879.108357690 1.30867127298869 2767.80662240891 6.63041398773325 57.8663904609532 3198990.78328915 T 126 CATAB v2.0c-linF95 2014-Sep-30 09:13:10 2014-Sep-30 09:13

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2009.3   209P/2008 X2       
 2004.3   209P/2004 CB       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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