Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
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 ]  
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2455947.5 (2012-Jan-21.0) TDB
Reference: JPL 138 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6920214125125672 1.0041e-08  
a 2.931505675420449 1.7288e-08 au
q .9028409771273824 3.3518e-08 au
i 20.61911890702222 3.4831e-06 deg
node 63.60831693350104 1.7942e-06 deg
peri 152.1306549514883 5.215e-06 deg
M 198.3460721040053 2.7344e-07 deg
tp 2456770.724518442640
(2014-Apr-23.22451844)
7.545e-06 TDB
period 1833.304210399538
5.02
1.6218e-05
4.44e-08
d
yr
n .1963667556960141 1.7371e-09 deg/d
Q 4.960170373713515 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-Dec-03 20:30:50  

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. 138 from 437 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 15.   n/a 138 autocmod 2.8

[ 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 0.54489165204988 0.544891252684994 0.544892051415044 7.84813962803666 7.64750534760923 2421357.236083224 0.174524532302415 28.3855993364108 4.88489030240792 47.2415487245577 14271036.3726052 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
1940-Jul-10 22:59 < 00:01 Jupiter 1.78179502815294 1.78179468069833 1.78179537560755 11.2012857914467 11.158765678544 2429821.457366653 0.270721544581224 42.0235233296394 16.7353189922321 83.7145041043481 12111357.3830648 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
1952-Nov-06 01:00 < 00:01 Jupiter 1.24665259385232 1.24665197258176 1.24665321512289 11.1125228849965 11.051212145239 2434322.541629717 0.22298238667257 32.3717956063011 10.8922278632137 19.008050273617 5500315.16171102 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
1954-Feb-21 17:36 < 00:01 Earth 0.405722266136878 0.405720068650784 0.405724463637432 21.9427474275234 21.942448135273 2434795.233647805 0.369217145546946 163.376520815545 7.91289137692366 -47.9529072212071 5440131.68447903 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
1976-Mar-12 17:33 < 00:01 Jupiter 0.920003197296821 0.920002459830826 0.920003934762816 7.24553507761347 7.11733318490603 2442850.231131412 0.362355259708932 37.0297573113002 12.1244002615223 9.18079537709868 3663963.08591065 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
1999-Feb-22 15:26 < 00:01 Earth 0.49043686655266 0.490436506008167 0.490437227097209 23.6994691827565 23.6992399415268 2451232.142943021 0.0571136793326163 20.0637298663291 7.93323315083591 -28.8997519913213 5123716.21335962 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
2004-Mar-07 18:32 < 00:01 Earth 0.386367964906009 0.386367728038783 0.386368201773257 19.2416422085517 19.2412838042973 2453072.272385953 0.0496663615366888 13.6403148839453 6.90782672709 -35.4554820858338 5599651.84055298 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
2009-Apr-10 13:24 < 00:01 Earth 0.261274539007448 0.261274422150416 0.261274655864599 15.4689839835149 15.4683247143987 2454932.058071921 0.0452068599951386 11.6678778001688 2.54934152567924 -62.6013036939824 11424501.8586509 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
2012-Feb-17 21:42 < 00:01 Jupiter 0.592442778987911 0.592441934216801 0.592443623759155 7.11421625476065 6.91032915542984 2455975.404076508 0.374687946928948 44.5552151879198 7.57324339903382 -18.6942274191375 3883407.68542327 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
2014-May-29 07:51 < 00:01 Earth 0.0554539768627363 0.0554539686444048 0.0554539850810678 16.970780687953 16.9679492042255 2456806.826922976 0.00236712842694516 4.58564396063445 0.409383676273283 89.7612812406619 18405159.8701496 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
2047-Sep-03 11:12 < 00:01 Jupiter 0.645465227631766 0.645464173053215 0.645466282210427 7.03798057360978 6.8489880406231 2468956.966772930 0.498504988416675 54.0489905626009 7.40394359908043 -12.7967603790787 3234633.8157123 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
2060-Jun-10 06:45 < 00:01 Earth 0.349730612195041 0.349728491562513 0.349732732827847 22.0386631678794 22.038317469879 2473620.781596083 0.190586536603951 106.925996806306 7.09153061044459 -8.53813383454521 1124836.89675035 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
2082-Nov-08 09:02 < 00:01 Jupiter 1.3639315204555 1.3639309300245 1.36393211088674 8.56697920570135 8.49418046997915 2481806.876179159 0.356920815055915 48.9983235314143 19.2397460252541 61.1498488893805 6606526.79788295 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
2095-Mar-07 14:55 < 00:01 Jupiter 1.16142735771492 1.16142609984717 1.16142861558267 10.67883148525 10.6103182331172 2486309.121275731 0.186160383970276 63.8155791107182 18.1898224702368 12.5355565940674 2395008.82074844 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
2117-Apr-24 18:03 < 00:01 Earth 0.278786182651458 0.278781477816668 0.278790887488926 16.016160039635 16.0155632918681 2494392.251891572 0.735991561852824 238.550655201123 13.4056364014405 10.4482281978736 553921.252873308 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
2130-Nov-06 04:15 < 00:01 Jupiter 0.368022591451606 0.368022242267705 0.368022940635612 7.94126055225638 7.64594784864663 2499335.676771344 0.12160536620271 40.7858481467274 16.5725343115065 83.3594900333837 2870062.3324732 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
2158-May-24 07:41 00:03 Earth 0.157556001058407 0.157528735408881 0.157583275740807 18.1798696826522 18.1789394367772 2509396.820108057 2.57647719796058 2321.28537085662 6.3716032731988 -54.1399963949374 2855361.25021619 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
2166-May-17 22:47 00:01 Jupiter 0.466058912096199 0.466052889450243 0.466064934793842 7.46938900414056 7.22197631164277 2512312.449438865 1.11080312445392 390.239419910389 6.10861015400704 -39.1382689069744 5618457.73562432 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31
2184-May-09 14:38 00:03 Earth 0.202520599207333 0.202487207155793 0.202554033141652 16.385395124797 16.3845921593155 2518879.109567070 3.21898577541484 4885.63116557584 7.7814316333186 70.0602027835073 3601941.24354797 T 138 CATAB v2.0f-lin.ifort 2019-Dec-03 20:31:04 2019-Dec-03 20:31

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-11 11:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin