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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 2455687.5 (2011-May-06.0) TDB
Reference: JPL 120 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6919695282952831 6.5607e-09  
a 2.931814876205146 5.687e-09 AU
q .9030883192683772 1.925e-08 AU
i 19.38780842501178 3.972e-06 deg
node 65.60112231774683 1.9141e-06 deg
peri 150.3540618931808 5.7506e-06 deg
M 147.0066806927967 3.0614e-07 deg
tp 2454938.748312901925
(2009-Apr-17.24831290)
3.4798e-06 JED
period 1833.594269899837
5.02
5.3351e-06
1.461e-08
d
yr
n .1963356920937943 5.7126e-10 deg/d
Q 4.960541433141914 9.6222e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      2435  
   # delay obs. used      9  
   # Doppler obs. used      4  
   data-arc span      3883 days (10.63 yr)  
   first obs. used      2003-12-03  
   last obs. used      2014-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .42709  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-28 13:13:37  

Additional Information
 Earth MOID = .0495108 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. 120 from 222 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 15.   n/a 120 autocmod 2.5c
comet nuclear magnitude M2 21.1 mag 1. 120 from 1790 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 120 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 120 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 0.544891676084387 0.544891265330262 0.544892086838186 7.84813983839625 7.64750557245347 2421357.236033372 0.0621142925540628 4.39863728626063 0.422311406416843 36.6678035088146 15048405.6776076 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
1940-Jul-10 22:59 < 00:01 Jupiter 1.78179496203003 1.78179469892139 1.78179522513577 11.2012858067462 11.1587656923208 2429821.457305510 0.0884017055506169 9.83726774306731 4.02784839056906 52.3195211302547 10154849.6723485 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
1952-Nov-06 01:00 < 00:01 Jupiter 1.24665253240652 1.24665191109682 1.24665315371742 11.1125226761045 11.0512119321578 2434322.541587000 0.0796480621776753 9.34807150439618 2.62348160682372 7.86739459651647 4034225.16199813 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
1954-Feb-21 17:36 < 00:01 Earth 0.405722679900068 0.405720339092331 0.405725020727663 21.9427688528254 21.9424695611724 2434795.233585875 0.0922164793269522 172.193626136376 8.65626887735885 -45.6540671176012 4475526.05436329 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
1976-Mar-12 17:33 < 00:01 Jupiter 0.920003227554451 0.920002469127044 0.920003985981701 7.2455352725461 7.11733338760426 2442850.231031434 0.114948091898592 5.12042517243174 1.52523353879792 8.58466254846947 3581051.55203415 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
1999-Feb-22 15:26 < 00:01 Earth 0.49043687126598 0.490436506197373 0.49043723633463 23.6994710472916 23.6992418060822 2451232.142929845 0.0127455989794327 20.9759337134926 8.46864187707198 -32.742058636455 5006284.29196853 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
2004-Mar-07 18:32 < 00:01 Earth 0.386367943990767 0.386367706801937 0.386368181179838 19.2416426231732 19.2412842189072 2453072.272371878 0.0110012645887227 12.7121030588128 7.0639740343133 -30.2089214009219 4924225.00141727 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
2009-Apr-10 13:24 < 00:01 Earth 0.261274522133418 0.261274404331456 0.26127463993539 15.4689829939701 15.4683237247692 2454932.058065503 0.012120990872903 6.40670323581059 2.99897794425998 -28.2323290589653 6635120.61413388 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
2012-Feb-17 21:42 < 00:01 Jupiter 0.592442928351475 0.592442036199217 0.592443820504768 7.11421583939733 6.9103287799726 2455975.403975381 0.135647705015 5.23383879325791 1.02964450892364 -19.8726734136118 3898325.69155086 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
2014-May-29 07:51 < 00:01 Earth 0.0554539776083973 0.0554539703599162 0.0554539848568789 16.9707801719989 16.9679486882233 2456806.826923013 0.000785542842094438 2.40339228310045 0.377700293995398 -89.2796168701635 18343534.2446389 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
2047-Sep-03 11:12 < 00:01 Jupiter 0.645465531523205 0.645464390676404 0.645466672370961 7.03798009624374 6.8489876402917 2468956.966615518 0.178174422298593 6.47506268371854 0.979665673319478 -14.4510033753798 3291205.9159487 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
2060-Jun-10 06:46 < 00:01 Earth 0.349731584656453 0.349729436514741 0.349733732797389 22.0386855286601 22.0383398319717 2473620.781659570 0.0530282827396323 101.442845046742 2.23442602221674 -0.904645633086346 564576.569378804 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
2082-Nov-08 09:02 < 00:01 Jupiter 1.36393184526838 1.36393123223156 1.36393245830196 8.56698105129336 8.49418234879957 2481806.876071428 0.105654670366356 9.34042098734736 2.90430453495637 39.256234339682 6762061.17520324 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
2095-Mar-07 14:55 < 00:01 Jupiter 1.16142672130934 1.16142544702325 1.16142799559253 10.6788294844327 10.6103161817169 2486309.121269871 0.0614563983971454 15.7982381814566 3.83248629653237 8.35236129416799 2238646.28630775 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
2117-Apr-24 18:02 < 00:01 Earth 0.278787728703769 0.278782607043093 0.278792850357963 16.0161769481297 16.0155802043022 2494392.251713390 0.2035515077723 220.81775847187 2.95336230095107 -4.77458397578976 975029.285291445 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
2130-Nov-06 04:15 < 00:01 Jupiter 0.368022633249838 0.368022275367427 0.368022991132749 7.94126168485393 7.64594905917687 2499335.676743897 0.0424378369131262 5.87851536930811 2.44016993300496 71.801594615056 2836755.15125591 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
2158-May-24 07:39 < 00:01 Earth 0.157539471590351 0.157509827066252 0.157569117384055 18.1796157735329 18.178685417057 2509396.819022606 0.925372996331101 1455.53715099657 0.993619375074834 -27.0301871225869 9184098.12256702 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
2166-May-17 22:48 < 00:01 Jupiter 0.466055164163351 0.466048719793878 0.466061608621808 7.46939708501075 7.22198264562172 2512312.449921191 0.436546619950194 49.3069800909552 1.21435810165963 -44.9866339353136 5004703.63220243 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13
2184-May-09 14:36 00:01 Earth 0.202541060993903 0.2025048251914 0.20257731312038 16.3853502475034 16.3845473609447 2518879.108199447 1.3207797895491 2793.32685081262 6.65503400794621 57.8655286791961 3187163.02611998 T 120 CATAB v2.0c-linF95 2014-Jul-28 13:13:43 2014-Jul-28 13:13

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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