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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 2455694.5 (2011-May-13.0) TDB
Reference: JPL 122 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6920517987350402 6.5741e-09  
a 2.931650766630134 5.7454e-09 AU
q .9027965803207901 1.9306e-08 AU
i 19.39938013838081 3.9618e-06 deg
node 65.57398788606578 1.9078e-06 deg
peri 150.3767229689321 5.7093e-06 deg
M 148.3857149803813 3.0283e-07 deg
tp 2454938.787909941913
(2009-Apr-17.28790994)
3.4917e-06 JED
period 1833.440317734635
5.02
5.3897e-06
1.476e-08
d
yr
n .1963521782071474 5.7721e-10 deg/d
Q 4.960504952939477 9.7216e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      2447  
   # delay obs. used      9  
   # Doppler obs. used      4  
   data-arc span      3895 days (10.66 yr)  
   first obs. used      2003-12-03  
   last obs. used      2014-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .42707  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 13:57:36  

Additional Information
 Earth MOID = .049707 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 16.7 mag 2. 122 from 223 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 15.   n/a 122 autocmod 2.5c
comet nuclear magnitude M2 21.1 mag 1. 122 from 1797 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 122 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 122 autocmod 2.5c

[ 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 0.544891684311662 0.544891274315657 0.544892094307341 7.84813984164774 7.64750557885937 2421357.236029430 0.0618441092716354 4.39245743305093 0.422170521836089 36.6740864419346 15055882.2283273 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
1940-Jul-10 22:59 < 00:01 Jupiter 1.78179496072263 1.78179469741671 1.78179522402648 11.2012858251878 11.1587657108015 2429821.457297126 0.0881232647700257 9.83153844566441 4.02261448680248 52.2899242158275 10164322.1353928 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
1952-Nov-06 01:00 < 00:01 Jupiter 1.24665253468957 1.24665191371782 1.24665315566014 11.1125226418088 11.0512118977845 2434322.541580180 0.0794351850355401 9.342826822508 2.61237402608776 7.85631759593006 4038327.83458851 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
1954-Feb-21 17:36 < 00:01 Earth 0.405722725238365 0.405720387521716 0.405725062975016 21.9427710427475 21.9424717511578 2434795.233580219 0.0920684842849945 171.940406613351 8.62811974698596 -45.646236283192 4489511.69254773 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
1976-Mar-12 17:33 < 00:01 Jupiter 0.920003236364449 0.92000247882162 0.920003993907143 7.24553527828941 7.11733339468975 2442850.231021698 0.114453997974911 5.11435762876047 1.52002008201767 8.54677960828502 3583992.17191256 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
1999-Feb-22 15:26 < 00:01 Earth 0.490436871539572 0.490436506587536 0.490437236491513 23.6994711077352 23.6992418665265 2451232.142929220 0.0127266675661334 20.9713008160168 8.44776350795592 -32.7331119802004 5014740.58444244 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
2004-Mar-07 18:32 < 00:01 Earth 0.386367941606208 0.386367704663966 0.38636817854821 19.2416425608067 19.2412841565373 2453072.272371900 0.0109843454218477 12.7073396227693 7.05188312634355 -30.2822179917806 4933452.48366036 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
2009-Apr-10 13:24 < 00:01 Earth 0.26127451966841 0.261274402136311 0.261274637200519 15.468982815281 15.4683235460663 2454932.058065135 0.0121145897221256 6.3920048471119 2.99720105846609 -28.3023427913523 6650642.93418777 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
2012-Feb-17 21:42 < 00:01 Jupiter 0.592442947418429 0.592442057091151 0.592443837746737 7.1142157879622 6.91032873367852 2455975.403962863 0.135124974144378 5.22430912142703 1.0275424794198 -19.8468569915612 3902448.39748024 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
2014-May-29 07:51 < 00:01 Earth 0.0554539773615376 0.0554539701095633 0.0554539846135123 16.9707800865475 16.9679486027451 2456806.826922991 0.00078489838419877 2.39881764477773 0.377558362199311 -89.2866584289619 18350457.4929958 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
2047-Sep-03 11:12 < 00:01 Jupiter 0.645465558056304 0.645464419588631 0.645466696523058 7.03798004741184 6.84898759798841 2468956.966605701 0.177559850246227 6.46330806740655 0.978528391252485 -14.4402617950028 3293843.7152571 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
2060-Jun-10 06:46 < 00:01 Earth 0.349731619567126 0.349729472572665 0.34973376656081 22.038686315511 22.0383406188694 2473620.781661759 0.0529941640237555 101.389063084469 2.23281790001584 -0.904140769652292 564805.40022572 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
2082-Nov-08 09:02 < 00:01 Jupiter 1.36393185816224 1.36393124561717 1.36393247070899 8.56698110310716 8.49418240174858 2481806.876069769 0.1052395790248 9.32913671187052 2.90108920891726 39.216604799678 6765109.30105061 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
2095-Mar-07 14:55 < 00:01 Jupiter 1.16142669784425 1.16142542497711 1.16142797071174 10.6788294417379 10.6103161373577 2486309.121272363 0.0613224481890722 15.7807798356811 3.82332421052856 8.32570491360486 2240099.3769787 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
2117-Apr-24 18:02 < 00:01 Earth 0.278787843033343 0.278782733690039 0.278792952370195 16.0161781039272 16.0155813603875 2494392.251700154 0.203039180629742 220.289983200697 2.95252823347176 -4.7734755128083 975136.266229981 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
2130-Nov-06 04:15 < 00:01 Jupiter 0.368022638619544 0.368022281295017 0.368022995944568 7.9412617124934 7.6459490922759 2499335.676743084 0.0422453885080893 5.86909277625537 2.43813501739646 71.8215969355828 2839430.22571925 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
2158-May-24 07:39 < 00:01 Earth 0.157538883579704 0.157509295491062 0.157568472933149 18.1796066849927 18.178676324579 2509396.818984034 0.923610337758321 1452.76610525179 0.993556233355696 -27.0303207394054 9184688.26670794 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
2166-May-17 22:48 < 00:01 Jupiter 0.466055050290827 0.466048616372447 0.466061484298241 7.46939732000373 7.22198282717826 2512312.449934662 0.435972404073794 49.2258212449497 1.21334034583076 -44.9866949221908 5008908.43053128 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57
2184-May-09 14:36 00:01 Earth 0.202541741416074 0.202505570435523 0.202577928661539 16.3853486538392 16.3845457698997 2518879.108154390 1.31838614490044 2788.2937663887 6.64915472446752 57.8650028299904 3189973.39625785 T 122 CATAB v2.0c-linF95 2014-Aug-13 13:57:43 2014-Aug-13 13:57

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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