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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 2454945.5 (2009-Apr-24.0) TDB
Reference: JPL 92 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6889627134577714 4.2897e-08  
a 2.937606577013568 1.0222e-08 AU
q .9137051786429045 1.2586e-07 AU
i 19.14869204150267 8.4483e-06 deg
node 66.44791592906684 2.2998e-05 deg
peri 149.7331152201804 2.5678e-05 deg
M 1.570815856122862 3.5017e-06 deg
tp 2454937.475616977878
(2009-Apr-15.97561698)
1.7858e-05 JED
period 1839.030257241033
5.03
9.5991e-06
2.628e-08
d
yr
n .1957553436559998 1.0218e-09 deg/d
Q 4.961507975384231 1.7265e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1061  
   data-arc span      3782 days (10.35 yr)  
   first obs. used      2003-12-03  
   last obs. used      2014-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .43141  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:40:25  

Additional Information
 Earth MOID = .0384272 AU 
 T_jup = 2.800 
[ 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 16.3 mag 1. 92 from 169 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 14.   n/a 92 autocmod 2.5c
comet nuclear magnitude M2 19.8 mag 0.9 92 from 788 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 92 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 92 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 17:38 < 00:01 Jupiter 0.544891717194476 0.544890015042291 0.544893419346618 7.848139671319 7.6475054163286 2421357.235029875 0.297281339986296 12.5248562153789 4.76947460053906 19.4297579237871 1084366.81414581 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
1940-Jul-10 22:57 < 00:01 Jupiter 1.78179941448323 1.78179695756391 1.78180187140201 11.2013003421435 11.1587803895584 2429821.456534141 0.234398340673702 40.5461455522324 10.7339190723003 36.7997950049765 2915628.09739293 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
1952-Nov-06 00:59 < 00:01 Jupiter 1.24664812164134 1.24664419695047 1.24665204632514 11.1125031296575 11.0511920597437 2434322.540871662 0.209946666243873 49.5900269246635 12.2336419769373 7.95258436071516 783444.706029774 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
1954-Feb-21 17:36 < 00:01 Earth 0.405723947503935 0.405719143263749 0.405728751823508 21.9428022222801 21.9425029320174 2434795.233461661 0.174437469057581 348.049062179695 17.0643876495084 -45.0471397647956 2246654.62308218 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
1976-Mar-12 17:30 < 00:01 Jupiter 0.920005381727921 0.920003064637792 0.920007698819687 7.24554011029429 7.11733861537832 2442850.229286822 0.501058808025992 17.0405442937284 7.34858065302193 33.5199789582993 1484920.52098146 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
1999-Feb-22 15:26 < 00:01 Earth 0.490436707475646 0.49043590877073 0.490437506180513 23.6994435060036 23.6992142644513 2451232.142959477 0.0171138980857238 40.1597551878388 13.1846969620302 -11.9404331510965 1923728.50164129 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
2004-Mar-07 18:32 < 00:01 Earth 0.386367740672997 0.386367227843244 0.386368253502721 19.2416194575671 19.2412610526809 2453072.272417898 0.0206858453263934 24.1604661221552 10.3009629023538 2.50327364350713 2078848.48227064 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
2009-Apr-10 13:24 < 00:01 Earth 0.261274072651017 0.261273811668314 0.261274333633708 15.4689672287739 15.4683079577669 2454932.058114456 0.0456219439019081 16.0842648494795 9.64329444876867 52.5431124568979 2872311.10390021 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
2012-Feb-17 21:39 < 00:01 Jupiter 0.592445223784062 0.592442625520348 0.592447822050409 7.11420780564681 6.91032131080488 2455975.402204348 0.51821578036974 13.7545373458515 4.27198186840432 -11.0824434768036 878703.444430703 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
2014-May-29 07:51 < 00:01 Earth 0.0554555151974151 0.0554543667818798 0.0554566636123487 16.9707846133682 16.9679532088476 2456806.826915295 0.0404560070289772 48.6208864833882 16.1905760208541 2.84786259194404 143906.284467977 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
2047-Sep-03 11:09 < 00:01 Jupiter 0.645468949740459 0.64546609592522 0.645471803559365 7.03797271903968 6.84898107417861 2468956.964475316 0.685578921322173 14.8017700711502 4.68979496789256 -13.8688586641768 934179.791328581 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
2060-Jun-10 06:46 < 00:01 Earth 0.349741348082155 0.349726934715213 0.349755761413486 22.0388824892554 22.0385368053071 2473620.782109519 0.319825666326848 679.811209956595 5.97562697429768 -0.535069167769283 99428.0254731547 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
2082-Nov-08 09:00 < 00:01 Jupiter 1.36393735162664 1.36393275759657 1.36394194566978 8.56700459962784 8.49420639410717 2481806.874706878 0.374829183307669 72.4792948391029 4.32934563205672 37.0230773002457 4044423.34328905 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
2095-Mar-07 14:54 < 00:01 Jupiter 1.16141964859328 1.16141075432628 1.16142854281902 10.6788028404418 10.6102889471044 2486309.120797085 0.244366633587788 108.616275243501 10.9316941217744 4.47319643289982 353144.464770037 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
2117-Apr-24 18:00 < 00:01 Earth 0.278806317417033 0.27879252660168 0.278820108190887 16.0163676363894 16.0157709394536 2494392.249661337 0.554157270622366 593.618806325466 16.9610117190377 -5.87084655841854 213938.68894989 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
2130-Nov-06 04:13 < 00:01 Jupiter 0.368023101834012 0.36802199767775 0.36802420599049 7.94127049901032 7.64595859703228 2499335.675957283 0.203023446326865 35.267700210263 7.17846737332928 -89.170332775094 1005996.81930287 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
2158-May-24 07:22 00:05 Earth 0.157361886072265 0.157202042077755 0.157521767640919 18.1768655369129 18.1759339895543 2509396.807210795 5.03290067705023 7860.35668264637 11.8255609376663 -27.1902710023554 774997.009018376 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
2166-May-17 22:55 00:03 Jupiter 0.466015229766705 0.46597626262972 0.466054200098087 7.46948104169969 7.22204791379801 2512312.454583577 2.58132345540469 297.350467432912 3.01314881264193 -44.6355846564503 2003780.0152517 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40
2184-May-09 14:15 00:07 Earth 0.202759897366598 0.202559018941922 0.202961266739734 16.3848694902959 16.3840674467709 2518879.093629615 7.27315501831035 15378.4224934377 26.3563312955038 57.5681064195625 802989.289350354 T 92 CATAB v2.0c-linF95 2014-Apr-17 13:40:28 2014-Apr-17 13:40

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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