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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 2455715.5 (2011-Jun-03.0) TDB
Reference: JPL 127 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6923075240458147 6.6102e-09  
a 2.931145003353462 5.9566e-09 AU
q .9018912634625653 1.9478e-08 AU
i 19.43778560273289 3.9286e-06 deg
node 65.48656866893002 1.8917e-06 deg
peri 150.4503987383453 5.6015e-06 deg
M 152.5246186388467 2.9338e-07 deg
tp 2454938.909937125311
(2009-Apr-17.40993713)
3.5414e-06 JED
period 1832.965885309765
5.02
5.5873e-06
1.53e-08
d
yr
n .196403000669683 5.9869e-10 deg/d
Q 4.960398743244358 1.008e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      2484  
   # delay obs. used      9  
   # Doppler obs. used      4  
   data-arc span      3940 days (10.79 yr)  
   first obs. used      2003-12-03  
   last obs. used      2014-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .43044  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 13:53:13  

Additional Information
 Earth MOID = .0509078 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 16.9 mag 2. 127 from 247 observations, assumed slope, autocmod 2.6
comet total magnitude slope K1 15.   n/a 127 autocmod 2.6
comet nuclear magnitude M2 21.1 mag 1. 127 from 1809 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 127 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 127 autocmod 2.6

[ 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 0.544891670979871 0.544891262831625 0.544892079128226 7.84813983177728 7.64750556375667 2421357.236042204 0.061126925984026 4.37395464149061 0.42171694949308 36.6720477114568 15072162.404074 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
1940-Jul-10 22:59 < 00:01 Jupiter 1.78179497109439 1.78179470750491 1.78179523468534 11.2012858106194 11.1587656964255 2429821.457313998 0.0873630263095449 9.80330130995947 4.00181331457288 52.2059475035165 10206218.1310542 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
1952-Nov-06 01:00 < 00:01 Jupiter 1.24665253952702 1.24665192002181 1.24665315903163 11.1125227384552 11.0512119952056 2434322.541596522 0.0788573899869246 9.31962318589003 2.58870639925104 7.82914657852796 4051031.90671155 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
1954-Feb-21 17:36 < 00:01 Earth 0.405722621233158 0.405720293492466 0.405724948993581 21.9427658202323 21.9424665284946 2434795.233594710 0.0916095234620657 171.151286445576 8.54589202196805 -45.6295269132662 4531367.53573198 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
1976-Mar-12 17:33 < 00:01 Jupiter 0.920003222846744 0.920002468024304 0.920003977669057 7.24553524982649 7.11733336381349 2442850.231048152 0.113195067143882 5.09572418054592 1.50755953401567 8.50383851958334 3597037.89427603 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
1999-Feb-22 15:26 < 00:01 Earth 0.4904368716791 0.49043650724919 0.490437236109055 23.6994708313968 23.6992415901855 2451232.142931672 0.0126651383816943 20.9534873922209 8.383349192826 -32.734986805731 5043786.05973804 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
2004-Mar-07 18:32 < 00:01 Earth 0.386367949157518 0.386367713073132 0.386368185242145 19.2416426712785 19.2412842670181 2453072.272374112 0.0109303864570238 12.6908398429249 7.01369236493009 -30.524520009671 4963770.47898226 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
2009-Apr-10 13:24 < 00:01 Earth 0.261274526298881 0.261274409551208 0.261274643046564 15.4689831589768 15.4683238897934 2454932.058065775 0.0120873611019264 6.35001954582901 2.98964977500301 -28.4382803049582 6692167.62023728 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
2012-Feb-17 21:42 < 00:01 Jupiter 0.592442906358938 0.592442020837642 0.592443791880488 7.11421590166185 6.91032883639391 2455975.403987577 0.133737910776413 5.19736865144311 1.01912605635765 -19.7736603504698 3921412.15346941 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
2014-May-29 07:51 < 00:01 Earth 0.0554539773747222 0.0554539701123334 0.0554539846371114 16.9707802527585 16.9679487689845 2456806.826922941 0.000783083077034785 2.39243768595258 0.377137301954076 -89.2965683693667 18370983.6328187 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
2047-Sep-03 11:12 < 00:01 Jupiter 0.645465490492896 0.645464359051045 0.645466621934542 7.03798016404714 6.84898769778664 2468956.966639730 0.175787226770207 6.42640290917584 0.972914683239878 -14.3947660501374 3305321.33776143 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
2060-Jun-10 06:46 < 00:01 Earth 0.349731474187728 0.349729335193534 0.349733613181152 22.0386829708727 22.038337274035 2473620.781652166 0.0527714443049952 101.011706728431 2.22505991804776 -0.899507799198221 565887.745020605 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
2082-Nov-08 09:02 < 00:01 Jupiter 1.36393181233436 1.36393120269231 1.36393242197621 8.56698084163513 8.49418213557913 2481806.876087909 0.104110777693988 9.27359656145788 2.88951923719299 39.1153466196692 6782281.41947456 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
2095-Mar-07 14:55 < 00:01 Jupiter 1.16142679378409 1.1614255281675 1.16142805939979 10.678829722346 10.6103164254556 2486309.121273216 0.0610346078145672 15.6932848362893 3.8001227885949 8.23412407158049 2246769.08179779 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
2117-Apr-24 18:03 < 00:01 Earth 0.27878752868372 0.278782454176563 0.278792603184592 16.0161747900607 16.0155780457247 2494392.251736563 0.201580962145622 218.794060832743 2.9484479747746 -4.77417413555165 976758.303181961 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
2130-Nov-06 04:15 < 00:01 Jupiter 0.368022628516537 0.368022272702815 0.368022984330122 7.94126156849361 7.64594893445083 2499335.676749405 0.0417818817863181 5.82918259738227 2.43073745558225 71.8257260627272 2848327.55050615 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
2158-May-24 07:40 < 00:01 Earth 0.157541323261636 0.157511958579961 0.157570689188999 18.1796442527007 18.1787139086176 2509396.819144687 0.91661850273822 1441.78728708724 0.992903411536027 -27.029743072031 9190693.06223053 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
2166-May-17 22:48 < 00:01 Jupiter 0.466055575950234 0.466049187449792 0.466061964538134 7.46939620291189 7.22198195565289 2512312.449871705 0.4332511385366 48.8762897841155 1.2091993653432 -44.9880738798344 5026200.67172397 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53
2184-May-09 14:36 00:01 Earth 0.202538784353757 0.202502880504504 0.202574704230449 16.3853552880187 16.384552392682 2518879.108352156 1.30867139166138 2767.80714471825 6.63041395178855 57.8663425490097 3198990.53524658 T 127 CATAB v2.0c-linF95 2014-Oct-09 13:53:19 2014-Oct-09 13:53

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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