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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 ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2455947.5 (2012-Jan-21.0) TDB
Reference: JPL 139 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6920214030579277 1.0041e-08  
a 2.931505661877386 1.7288e-08 au
q .9028410006727384 3.3518e-08 au
i 20.61912261051878 3.4831e-06 deg
node 63.60831886306269 1.7942e-06 deg
peri 152.1306592817882 5.215e-06 deg
M 198.3460710166581 2.7343e-07 deg
tp 2456770.724518275230
(2014-Apr-23.22451828)
7.545e-06 TDB
period 1833.304197695203
5.02
1.6218e-05
4.44e-08
d
yr
n .1963667570567861 1.7371e-09 deg/d
Q 4.960170323082034 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41798  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:27:56  

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 18.1   0.8 139 2 parameter fit from 470 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 139 autocmod 2.9c

[ 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 0.544891803323543 0.544891403937701 0.544892202709664 7.84813958047067 7.64750535634928 2421357.236141332 0.174356949743014 28.4786960165381 4.89061729946616 47.4230804006397 14283078.3284218 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
1940-Jul-10 22:59 < 00:01 Jupiter 1.78179519453422 1.7817948462838 1.78179554278475 11.2012852627381 11.1587651520341 2429821.457438255 0.270886705835163 42.0634923890293 16.7593404691852 83.623441563287 12088167.6940305 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
1952-Nov-06 01:00 < 00:01 Jupiter 1.24665288394291 1.2466522618883 1.24665350599759 11.1125239464483 11.0512132272256 2434322.541675085 0.223061035525871 32.4123991675496 10.8896396854079 19.0026038569563 5497405.285236 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
1954-Feb-21 17:36 < 00:01 Earth 0.405722219554813 0.405720020374928 0.405724418749204 21.9427403932883 21.9424411009075 2434795.233680136 0.369509317587386 163.509749976668 7.91392634175877 -47.9551238941998 5439625.35683879 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
1976-Mar-12 17:33 < 00:01 Jupiter 0.9200034146874 0.920002677236606 0.920004152138194 7.24553482610145 7.11733296014429 2442850.231270855 0.36235459412237 37.0289115604277 12.1263489634485 9.18008620772016 3663900.31655589 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
1999-Feb-22 15:26 < 00:01 Earth 0.490436934040264 0.490436573485908 0.490437294594676 23.6994682493652 23.6992390081581 2451232.142960717 0.0571142883583896 20.0644727509709 7.93332170929738 -28.900848781813 5123713.57678012 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
2004-Mar-07 18:32 < 00:01 Earth 0.386368052722468 0.38636781585499 0.386368289589989 19.2416431275113 19.2412847233554 2453072.272404117 0.0496663635314788 13.6403563423148 6.90784210000232 -35.4557051933191 5599653.62722171 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
2009-Apr-10 13:24 < 00:01 Earth 0.261274563515113 0.261274446659555 0.261274680370805 15.4689858437855 15.4683265748104 2454932.058086064 0.0452058841935759 11.6677728272171 2.54935323303259 -62.6015093428 11424480.2909784 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
2012-Feb-17 21:42 < 00:01 Jupiter 0.59244280356342 0.592441958791399 0.592443648335575 7.11421679440391 6.9103297207204 2455975.404249641 0.374688253754147 44.5552869123432 7.57325399112929 -18.6943242021989 3883414.89952601 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
2014-May-29 07:51 < 00:01 Earth 0.0554539769303381 0.0554539687120066 0.0554539851486696 16.9707818723764 16.9679503888495 2456806.826922420 0.00236712812426521 4.58565080319109 0.409383662295865 89.7612835660556 18405160.6061552 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
2047-Sep-03 11:13 < 00:01 Jupiter 0.645464847766847 0.645463793043145 0.645465902490622 7.03798140655835 6.84898878485544 2468956.967090685 0.498569515314201 54.0572124513276 7.40556806449352 -12.800418204815 3234650.63506371 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
2060-Jun-10 06:45 < 00:01 Earth 0.349727486157181 0.349725364059925 0.349729608254714 22.0385933074002 22.0382476052139 2473620.781403954 0.190726717437489 106.999951351344 7.08837781555877 -8.53845016527374 1125149.88111068 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
2082-Nov-08 09:02 < 00:01 Jupiter 1.36393057105795 1.36392997960294 1.36393116251318 8.56697376270204 8.49417492984434 2481806.876405445 0.356992390538868 49.0540377414717 19.2499908813907 61.1047544742387 6601025.84437493 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
2095-Mar-07 14:55 < 00:01 Jupiter 1.16142931575464 1.16142805598617 1.16143057552317 10.6788378288324 10.6103247339198 2486309.121253656 0.186182772186526 63.9158654824567 18.193314392134 12.5505456147112 2393563.64196345 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
2117-Apr-24 18:03 < 00:01 Earth 0.278784001782137 0.278779295136087 0.278788708430866 16.0161355407353 16.0155387873871 2494392.252151090 0.736243002789744 238.640811438192 13.4267375814635 10.4460730704596 553010.141404529 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
2130-Nov-06 04:15 < 00:01 Jupiter 0.368022683010306 0.36802233357206 0.368023032448635 7.94125829127101 7.64594557688549 2499335.676876208 0.121541178264031 40.8133519079858 16.5727547671084 83.2934259748864 2869947.85353678 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
2158-May-24 07:44 00:03 Earth 0.157591731668258 0.157564431731542 0.157619040649884 18.1804188856165 18.1794888787568 2509396.822457827 2.57944551797004 2323.47620121511 6.35048587332185 -54.127011604142 2864355.45411426 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
2166-May-17 22:46 00:01 Jupiter 0.466067290125992 0.466061261152016 0.466073319151815 7.46937118535957 7.22196240749382 2512312.448449624 1.1121839211742 390.67776035857 6.12586088444417 -39.1433113157141 5608537.57229117 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28
2184-May-09 14:42 00:03 Earth 0.202476736886659 0.202443310863035 0.202510204965989 16.3854904974446 16.3846873626882 2518879.112489269 3.22431525807749 4894.64499404378 7.76020725366118 70.0773303200081 3611530.72467594 T 139 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:09 2021-Apr-15 23:28

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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