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JPL Small-Body Database Browser
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209P/LINEAR
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000487
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2455947.5 (2012-Jan-21.0) TDB
Reference: JPL 136 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6920214125136112 1.0041e-08  
a 2.93150567542216 1.7288e-08 au
q .902840977124849 3.3518e-08 au
i 20.61911890684173 3.4831e-06 deg
node 63.60831693351952 1.7942e-06 deg
peri 152.1306549514886 5.215e-06 deg
M 198.3460721042514 2.7344e-07 deg
tp 2456770.724518442107
(2014-Apr-23.22451844)
7.545e-06 TDB
period 1833.304210401142
5.02
1.6218e-05
4.44e-08
d
yr
n .1963667556958422 1.7371e-09 deg/d
Q 4.96017037371947 2.9252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2794  
   # delay obs. used      9  
   # Doppler obs. used      4  
   data-arc span      5743 days (15.72 yr)  
   first obs. used      2003-12-03  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41972  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-09 09:50:48  

Additional Information
 Earth MOID = .0576412 au 
 Jupiter MOID = .461507 au 
 T_jup = 2.789 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 16.9   2. 136 from 437 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 15.   n/a 136 autocmod 2.8

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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 0.544891652055566 0.54489125269068 0.544892051420731 7.84813962301587 7.64750534245884 2421357.236081833 0.17452452575645 28.3856059938175 4.88488582162914 47.2415593151791 14271053.9428292 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
1940-Jul-10 22:59 < 00:01 Jupiter 1.78179502756226 1.78179468010775 1.78179537501677 11.2012857225528 11.1587656093734 2429821.457373872 0.270721549213634 42.0235250998654 16.7353166623081 83.7145017313311 12111358.9299277 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
1952-Nov-06 01:00 < 00:01 Jupiter 1.24665259496798 1.24665197369742 1.24665321623855 11.1125228934037 11.0512121537479 2434322.541630143 0.222982392768033 32.3717972879619 10.892227514373 19.0080485443536 5500314.93469743 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
1954-Feb-21 17:36 < 00:01 Earth 0.405722267898195 0.405720070412 0.405724465398874 21.9427475020552 21.9424482098071 2434795.233648001 0.369217165572276 163.376528821902 7.91289125679142 -47.9529069521597 5440131.7587241 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
1976-Mar-12 17:33 < 00:01 Jupiter 0.92000319675158 0.920002459285638 0.920003934217575 7.2455350755871 7.1173331827665 2442850.231132441 0.3623552593007 37.0297569894566 12.1244002590531 9.18079488922948 3663963.08070295 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
1999-Feb-22 15:26 < 00:01 Earth 0.490436867244269 0.490436506699775 0.490437227788818 23.6994692094378 23.6992399682087 2451232.142942977 0.0571136795062788 20.0637299373709 7.93323313668937 -28.8997518829185 5123716.21086268 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
2004-Mar-07 18:32 < 00:01 Earth 0.386367965273363 0.386367728406137 0.386368202140611 19.24164222354 19.2412838192863 2453072.272385831 0.049666361550919 13.6403149042829 6.90782672847539 -35.4554819062054 5599651.82995364 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
2009-Apr-10 13:24 < 00:01 Earth 0.261274539027164 0.261274422170132 0.261274655884315 15.4689839484461 15.4683246793285 2454932.058071399 0.0452068600738757 11.6678778068875 2.54934154060405 -62.6013037206313 11424501.7908524 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
2012-Feb-17 21:42 < 00:01 Jupiter 0.592442778980067 0.592441934208957 0.592443623751312 7.11421625416502 6.9103291548139 2455975.404073856 0.374687948841821 44.5552151845915 7.57324340161468 -18.69422742543 3883407.6852957 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
2014-May-29 07:51 < 00:01 Earth 0.0554539768386915 0.05545396862036 0.055453985057023 16.9707806875628 16.967949203834 2456806.826922946 0.00236712841401279 4.58564395633377 0.409383676385572 89.76128125671 18405159.8524015 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
2047-Sep-03 11:12 < 00:01 Jupiter 0.645465227390664 0.645464172812076 0.645466281969325 7.03798057369551 6.84898804063963 2468956.966769157 0.498504995710824 54.0489913655636 7.40394346245068 -12.7967605283434 3234633.85812326 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
2060-Jun-10 06:45 < 00:01 Earth 0.349730608411543 0.349728487779118 0.349732729044267 22.0386631120951 22.0383174140901 2473620.781596361 0.190586528626321 106.925992463047 7.09153017075638 -8.53813402205948 1124836.97173154 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
2082-Nov-08 09:02 < 00:01 Jupiter 1.36393151850943 1.36393092807842 1.36393210894066 8.56697920429426 8.49418046845569 2481806.876177053 0.356920815152064 48.9983232799816 19.2397461458585 61.1498486679634 6606526.77035717 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
2095-Mar-07 14:55 < 00:01 Jupiter 1.16142736137661 1.16142610350885 1.16142861924436 10.67883147958 10.6103182276272 2486309.121273291 0.186160380802975 63.815578970117 18.189822692744 12.5355568246939 2395008.83428183 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
2117-Apr-24 18:03 < 00:01 Earth 0.27878618715585 0.278781482320953 0.278790891993425 16.0161600634766 16.0155633157202 2494392.251892338 0.735991574336072 238.55066064104 13.4056366093984 10.4482280763019 553921.246198271 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
2130-Nov-06 04:15 < 00:01 Jupiter 0.368022591355875 0.368022242171974 0.368022940539881 7.94126054907093 7.64594784525985 2499335.676769348 0.121605362849487 40.7858478573966 16.5725342200675 83.3594879642156 2870062.33920999 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
2158-May-24 07:41 00:03 Earth 0.157556009571085 0.157528743920892 0.157583284254144 18.1798697998218 18.1789395540031 2509396.820108305 2.57647720643764 2321.28525838226 6.37160232933771 -54.1399933805481 2855361.69659715 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
2166-May-17 22:47 00:01 Jupiter 0.466058913956897 0.466052891311023 0.466064936654485 7.4693889989851 7.22197630731539 2512312.449436177 1.11080312256602 390.239412541194 6.10861170338394 -39.1382683931961 5618456.90132849 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51
2184-May-09 14:38 00:03 Earth 0.202520589767138 0.202487197720988 0.202554023696077 16.3853951428234 16.3845921773054 2518879.109567360 3.21898571599454 4885.63122656004 7.78143063529574 70.0602063917917 3601941.63382589 T 136 CATAB v2.0f-lin.ifort 2019-Oct-09 09:50:57 2019-Oct-09 09:51

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 | Mission Design | Physical Parameters | Close-Approach Data ]
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