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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 2455712.5 (2011-May-31.0) TDB
Reference: JPL 125 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .692270157584845 6.6031e-09  
a 2.931218489701042 5.9215e-09 AU
q .9020234039200902 1.9448e-08 AU
i 19.43193459162152 3.9326e-06 deg
node 65.49964352540046 1.8939e-06 deg
peri 150.4393190605615 5.6174e-06 deg
M 151.9331764408479 2.9467e-07 deg
tp 2454938.892215987752
(2009-Apr-17.39221599)
3.5323e-06 JED
period 1833.034816808672
5.02
5.5545e-06
1.521e-08
d
yr
n .1963956149107756 5.9512e-10 deg/d
Q 4.960413575481993 1.0021e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      2479  
   # delay obs. used      9  
   # Doppler obs. used      4  
   data-arc span      3918 days (10.73 yr)  
   first obs. used      2003-12-03  
   last obs. used      2014-08-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .43075  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:40:27  

Additional Information
 Earth MOID = .0507522 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. 125 from 247 observations, assumed slope, autocmod 2.6
comet total magnitude slope K1 15.   n/a 125 autocmod 2.6
comet nuclear magnitude M2 21.1 mag 1. 125 from 1806 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 125 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 125 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 0.544891670788812 0.544891262391106 0.544892079186896 7.84813983271252 7.64750556464517 2421357.236040966 0.0612157836041667 4.37606336219148 0.421756351461218 36.6702113165031 15070016.6572579 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
1940-Jul-10 22:59 < 00:01 Jupiter 1.78179496617518 1.78179470265342 1.78179522969841 11.201285786356 11.158765671952 2429821.457314478 0.0874535236680084 9.80563351199529 4.00366753150433 52.2175536154762 10202916.4366179 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
1952-Nov-06 01:00 < 00:01 Jupiter 1.24665254482708 1.24665192518496 1.24665316446894 11.112522744254 11.051212001298 2434322.541594616 0.0789265939542496 9.32173640624741 2.59226522826287 7.83309659618062 4049583.48895099 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
1954-Feb-21 17:36 < 00:01 Earth 0.405722630059757 0.405720301271571 0.405724958867773 21.9427662360587 21.9424669443333 2434795.233593847 0.091658681158026 171.236019000847 8.55563973313628 -45.6318959202531 4526394.08861583 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
1976-Mar-12 17:33 < 00:01 Jupiter 0.920003221689984 0.92000246655696 0.920003976822895 7.24553524868104 7.11733336248477 2442850.231046429 0.113356313568271 5.09783871720825 1.50929663079051 8.51445645614868 3595841.96544359 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
1999-Feb-22 15:26 < 00:01 Earth 0.490436872600792 0.490436508123903 0.490437237077588 23.6994708859173 23.6992416447069 2451232.142931054 0.0126713349544291 20.9551424429695 8.39072623243234 -32.7365848265654 5040611.37011142 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
2004-Mar-07 18:32 < 00:01 Earth 0.386367949657059 0.386367713481678 0.386368185832498 19.2416426909513 19.2412842866917 2453072.272373862 0.0109359755343105 12.6925715733767 7.01806841634958 -30.4980491982736 4960370.41375363 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
2009-Apr-10 13:24 < 00:01 Earth 0.261274526434235 0.26127440959331 0.261274643275171 15.4689831340433 15.4683238648592 2454932.058065293 0.0120899105900169 6.35497669356331 2.99032444648625 -28.4135002431651 6686690.52946076 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
2012-Feb-17 21:42 < 00:01 Jupiter 0.592442905445888 0.592442019326555 0.592443791564245 7.11421590375338 6.91032883822829 2455975.403987217 0.133908196591374 5.20052904300172 1.01987760077154 -19.7816282333832 3919777.1813856 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
2014-May-29 07:51 < 00:01 Earth 0.0554539774813747 0.0554539702202331 0.0554539847425567 16.9707802578484 16.9679487740807 2456806.826922967 0.000783309455892692 2.39382336867195 0.377188303709279 -89.2944165290385 18368491.3153137 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
2047-Sep-03 11:12 < 00:01 Jupiter 0.645465490663522 0.645464358440479 0.645466622887498 7.03798016459718 6.84898769840251 2468956.966638960 0.175988600888266 6.4303025627571 0.973341854589983 -14.3981104218459 3304273.58546787 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
2060-Jun-10 06:46 < 00:01 Earth 0.349731484008566 0.349729344586899 0.349733623429463 22.0386831781429 22.0383374813182 2473620.781652583 0.0527838473364247 101.031734327393 2.22562861218663 -0.899658160328229 565796.540424053 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
2082-Nov-08 09:02 < 00:01 Jupiter 1.3639318149548 1.36393120514581 1.36393242476243 8.56698084895796 8.49418214310517 2481806.876089069 0.104246550280146 9.27755794349177 2.89074161798978 39.1296230439669 6781049.63134806 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
2095-Mar-07 14:55 < 00:01 Jupiter 1.16142679046255 1.16142552432866 1.16142805659679 10.6788297092756 10.6103164121042 2486309.121273318 0.0610777687871607 15.6997080604527 3.80311486871864 8.24264446793007 2246198.9268364 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
2117-Apr-24 18:02 < 00:01 Earth 0.278787528820746 0.278782450289072 0.278792607346126 16.0161748051598 16.0155780608246 2494392.251736089 0.20174819212233 218.966559219442 2.94869643895479 -4.77451631578277 976726.694933702 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
2130-Nov-06 04:15 < 00:01 Jupiter 0.36802262891897 0.368022272917768 0.368022984920273 7.94126157871125 7.64594894539227 2499335.676751080 0.0418445631652916 5.83234885833149 2.43150624244073 71.8199515928444 2847337.85424894 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
2158-May-24 07:40 < 00:01 Earth 0.157541217543357 0.15751183395323 0.157570602380781 18.1796425984985 18.1787122537064 2509396.819137140 0.917210189560552 1442.71654857108 0.99292950911908 -27.0297762602071 9190455.53103388 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
2166-May-17 22:48 < 00:01 Jupiter 0.46605554982268 0.466049157766484 0.466061941966429 7.46939626071923 7.22198200133274 2512312.449875755 0.433446841703369 48.9038764353381 1.20960013528664 -44.9880057039818 5024528.34571375 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 13:40
2184-May-09 14:36 00:01 Earth 0.202538926252741 0.202503000386954 0.20257486816558 16.3853549823407 16.3845520875515 2518879.108342496 1.30947651783612 2769.50125792866 6.63254483598186 57.8663160457223 3197964.06381206 T 125 CATAB v2.0c-linF95 2014-Sep-12 13:40:33 2014-Sep-12 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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