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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 2455706.5 (2011-May-25.0) TDB
Reference: JPL 123 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6921962772775282 6.596e-09  
a 2.931364212943644 5.8581e-09 AU
q .9022848173994823 1.9406e-08 AU
i 19.4206101184806 3.9439e-06 deg
node 65.52518948938759 1.8984e-06 deg
peri 150.4177300915852 5.6451e-06 deg
M 150.7504638917294 2.9733e-07 deg
tp 2454938.857067836454
(2009-Apr-17.35706784)
3.5169e-06 JED
period 1833.171510353395
5.02
5.4952e-06
1.505e-08
d
yr
n .1963809703384491 5.8868e-10 deg/d
Q 4.960443608487806 9.9131e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      2467  
   # delay obs. used      9  
   # Doppler obs. used      4  
   data-arc span      3906 days (10.69 yr)  
   first obs. used      2003-12-03  
   last obs. used      2014-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .42924  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-24 20:15:16  

Additional Information
 Earth MOID = .050458 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 16.8 mag 2. 123 from 233 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 15.   n/a 123 autocmod 2.5c
comet nuclear magnitude M2 21.1 mag 1. 123 from 1803 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 123 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 123 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 0.544891682709229 0.544891273860216 0.544892091559057 7.84813986401309 7.64750560121371 2421357.236034051 0.0614183116266278 4.38140848568575 0.421950631147807 36.674454342169 15064361.2774057 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
1940-Jul-10 22:59 < 00:01 Jupiter 1.78179496273277 1.78179469921619 1.78179522625083 11.2012857359255 11.158765621247 2429821.457308588 0.0876617955208582 9.81675384079673 4.01177165628595 52.2486285802069 10186376.6552284 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
1952-Nov-06 01:00 < 00:01 Jupiter 1.24665254483445 1.24665192459874 1.24665316507045 11.1125227057486 11.0512119625793 2434322.541584244 0.0790815230098054 9.33095990149554 2.5974089053591 7.84347260930523 4045764.18834054 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
1954-Feb-21 17:36 < 00:01 Earth 0.405722708963192 0.405720377191731 0.405725040754538 21.9427700639756 21.9424707723606 2434795.233582439 0.0917923922207942 171.466478805208 8.5822392211096 -45.6352759528392 4512644.28992517 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
1976-Mar-12 17:33 < 00:01 Jupiter 0.920003238356737 0.920002482396465 0.920003994316883 7.24553527087622 7.11733338742315 2442850.231036057 0.113694459307854 5.10342752786024 1.51264766111815 8.50936786810168 3590724.49618573 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
1999-Feb-22 15:26 < 00:01 Earth 0.490436874312083 0.490436509631405 0.490437238993026 23.6994710535185 23.6992418123106 2451232.142929558 0.0126905713902667 20.9610845349114 8.4126844509285 -32.7281234675472 5030038.41627088 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
2004-Mar-07 18:32 < 00:01 Earth 0.386367946754271 0.386367710262449 0.386368183246037 19.2416426189471 19.2412842146836 2453072.272372486 0.0109534600696883 12.6986657519282 7.03128777502703 -30.411310982432 4949614.08987489 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
2009-Apr-10 13:24 < 00:01 Earth 0.261274523238167 0.261274406142627 0.261274640333718 15.4689829799237 15.468323710725 2454932.058065507 0.0121009174526952 6.36818389457601 2.99317668771888 -28.3823710733894 6674113.30839082 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
2012-Feb-17 21:42 < 00:01 Jupiter 0.592442938443326 0.592442051087827 0.592443825799081 7.11421583531423 6.91032877929334 2455975.403970422 0.134288099690618 5.20788269035685 1.02317366812435 -19.8010458790432 3911581.68071694 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
2014-May-29 07:51 < 00:01 Earth 0.055453977583979 0.0554539703262682 0.0554539848416903 16.9707802018935 16.9679487181217 2456806.826922975 0.000783870693952385 2.39454821010598 0.377321972742132 -89.2941143903128 18361982.9998193 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
2047-Sep-03 11:12 < 00:01 Jupiter 0.645465540220836 0.645464406013348 0.64546667442741 7.03798009661027 6.84898764325014 2468956.966620522 0.176509854121493 6.44115718806668 0.975799497878204 -14.4144802147097 3299379.84420855 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
2060-Jun-10 06:46 < 00:01 Earth 0.349731557587124 0.349729414357603 0.349733700815871 22.0386849452145 22.0383392484902 2473620.781657753 0.0528864193541467 101.211437431161 2.22843925567826 -0.901664636004054 565312.627187409 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
2082-Nov-08 09:02 < 00:01 Jupiter 1.36393184256985 1.36393123155917 1.3639324535822 8.56698098765145 8.49418228446758 2481806.876078493 0.10456542988308 9.30074680301059 2.89489555058872 39.1623039339935 6774145.18507953 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
2095-Mar-07 14:55 < 00:01 Jupiter 1.16142674268015 1.16142547337999 1.16142801197991 10.6788295401084 10.6103162390169 2486309.121265846 0.0611389505682953 15.7378943674518 3.80889956829294 8.27149691924896 2243198.63522801 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
2117-Apr-24 18:02 < 00:01 Earth 0.278787756598994 0.27878266847491 0.278792844716677 16.0161772157257 16.0155804719679 2494392.251710937 0.202153531126261 219.379057903041 2.95080014492887 -4.77346003098725 975791.817657223 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
2130-Nov-06 04:15 < 00:01 Jupiter 0.368022638780354 0.368022282373917 0.368022995187279 7.9412616762254 7.64594905473863 2499335.676747088 0.0419632874947685 5.84714442376798 2.43434225034581 71.841222374727 2844231.66370641 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
2158-May-24 07:39 < 00:01 Earth 0.157539757313997 0.157510292833022 0.15756922304918 18.179620167306 18.1786898127423 2509396.819041389 0.919744463957923 1446.69282796025 0.993234639608403 -27.0301173367329 9187651.06500366 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
2166-May-17 22:48 < 00:01 Jupiter 0.46605524715065 0.466048837619738 0.466061656769589 7.46939691786195 7.2219825175567 2512312.449911264 0.434522385590459 49.037637235644 1.21119658561254 -44.9867671343404 5017788.67763894 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15
2184-May-09 14:36 00:01 Earth 0.202540683773244 0.202504659309878 0.202576724370547 16.3853510409347 16.3845481529196 2518879.108224718 1.31304209829049 2777.02871053566 6.63899945097082 57.8653473811926 3194848.4539827 T 123 CATAB v2.0c-linF95 2014-Aug-24 20:15:22 2014-Aug-24 20:15

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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