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217P/LINEAR
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000345
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455413.5 (2010-Aug-05.0) TDB
Reference: JPL 128 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6896124377441168 6.6756e-08  
a 3.944212683566493 4.456e-08 au
q 1.224234559870939 2.6141e-07 au
i 12.88038541924797 4.9927e-06 deg
node 125.6209072877638 1.9564e-05 deg
peri 246.764171333605 2.992e-05 deg
M 41.52383981229764 2.0806e-06 deg
tp 2455083.484816862273
(2009-Sep-08.98481686)
1.635e-05 TDB
period 2861.138720952209
7.83
4.8486e-05
1.327e-07
d
yr
n .1258240285113436 2.1323e-09 deg/d
Q 6.664190807262048 7.529e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.584372802014197E-9 3.258E-11
A2 [EST] -1.224085867174653E-10 1.263E-11
A3 [EST] -2.204927992313826E-12 2.272E-11
DT [EST] 22.37552737625511 1.943
  Orbit Determination Parameters
   # obs. used (total)      3268  
   data-arc span      6117 days (16.75 yr)  
   first obs. used      2001-06-21  
   last obs. used      2018-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59383  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-20 18:19:41  

Additional Information
 Earth MOID = .307519 au 
 Jupiter MOID = .655396 au 
 T_jup = 2.549 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 13.9   1. 128 2 parameter fit from 546 observations, autocmod 2.6n
comet total magnitude slope K1 7.   n/a 128 autocmod 2.6n

[ 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
1905-Nov-12 22:27 00:14 Mars 0.0998513213574496 0.0997915919670267 0.0999121206054774 12.340059055926 12.3398267077749 2417162.435170603 13.8073717953278 16620.5632823473 230.299681468573 79.6133225421673 64099.2218336107 T 128 CATAB v2.0e-lin.ifort 2018-Sep-20 18:19:49 2018-Sep-20 18:19
1911-Mar-07 17:16 00:16 Jupiter 1.62133464626357 1.62129550225137 1.62137379324571 6.0117738187371 5.92423652805741 2419103.219555554 16.3261645948758 4002.82531952831 139.245636023086 60.8813367327494 1401902.3271455 T 128 CATAB v2.0e-lin.ifort 2018-Sep-20 18:19:49 2018-Sep-20 18:19
1934-Feb-23 17:26 00:09 Jupiter 1.74143544861349 1.74142881745012 1.74144207983169 6.03684692980245 5.95573121249041 2427492.226425916 9.45918728787244 797.758312218195 243.107537057711 -72.4442003412202 911410.820039681 T 128 CATAB v2.0e-lin.ifort 2018-Sep-20 18:19:49 2018-Sep-20 18:19
1957-Mar-21 00:21 00:05 Jupiter 1.47041041736774 1.47039341930798 1.47042741543585 6.04669771606121 5.9506691507422 2435918.514750662 4.93783131563655 866.86423387799 208.32929340702 -11.5142390011543 330824.200313302 T 128 CATAB v2.0e-lin.ifort 2018-Sep-20 18:19:49 2018-Sep-20 18:19
1980-Aug-07 05:27 00:02 Jupiter 1.13695439496923 1.1369429607114 1.13696582922926 6.30337335627422 6.18405454662768 2444458.726882773 2.13857300208158 575.922691588641 131.300111793931 4.85822890593357 381805.671526821 T 128 CATAB v2.0e-lin.ifort 2018-Sep-20 18:19:49 2018-Sep-20 18:19
2004-Apr-17 10:47 < 00:01 Jupiter 1.10500498048884 1.10500087323904 1.10500908773915 6.34468715142659 6.22269953738346 2453112.949143389 0.828198638258116 208.316224424249 58.1587522409886 8.26382305780121 1090457.3845188 T 128 CATAB v2.0e-lin.ifort 2018-Sep-20 18:19:49 2018-Sep-20 18:19
2028-Apr-06 12:44 00:02 Jupiter 1.36963974170857 1.36963490373597 1.36964457968413 6.13504310903835 6.03339866771277 2461868.030404002 1.60901185354961 267.162917313266 120.399342141487 -27.812155523628 1088071.7256524 T 128 CATAB v2.0e-lin.ifort 2018-Sep-20 18:19:49 2018-Sep-20 18:19
2048-Sep-07 21:24 < 00:01 Earth 0.396267596774104 0.396233620051439 0.396301575355842 12.3341468698824 12.3336017095119 2469327.391551035 0.920263068101411 2170.266042152 107.101638322349 38.7371767169181 657312.643421153 T 128 CATAB v2.0e-lin.ifort 2018-Sep-20 18:19:49 2018-Sep-20 18:19
2052-Jul-02 13:55 00:04 Jupiter 1.5842117201275 1.58420646846333 1.58421697179275 6.12664585430059 6.03874651554253 2470721.080101223 3.70679933969163 382.5260581217 251.37700946994 77.2320482599456 748745.496291243 T 128 CATAB v2.0e-lin.ifort 2018-Sep-20 18:19:49 2018-Sep-20 18:19
2056-Apr-01 09:03 00:03 Mars 0.0635681927091116 0.0635628276343879 0.0635735838982776 12.4103446765749 12.4099817750201 2472089.877189417 2.73014718236614 2947.63577562403 193.561782790846 -86.3814144025697 49508.8257139335 T 128 CATAB v2.0e-lin.ifort 2018-Sep-20 18:19:49 2018-Sep-20 18:19
2076-Oct-26 23:57 00:08 Jupiter 1.45515542237115 1.45512898810313 1.45518185737899 6.12242386309952 6.02659988694429 2479603.497764342 7.82906603413644 2125.71574524046 197.288247681903 52.1653490185969 870627.914754023 T 128 CATAB v2.0e-lin.ifort 2018-Sep-20 18:19:49 2018-Sep-20 18:19
2100-Dec-02 08:00 00:06 Jupiter 1.12525705459849 1.12520808731607 1.12530603177177 6.7776503328607 6.66566352427401 2488404.833665017 6.38833470162681 5845.78246258483 113.034569700668 64.8191152069079 1028684.86143989 T 128 CATAB v2.0e-lin.ifort 2018-Sep-20 18:19:49 2018-Sep-20 18:19
2124-Aug-23 13:48 00:08 Jupiter 1.01556843549801 1.01551195254767 1.01562499067654 8.46162802888472 8.36248008646787 2497070.075256040 7.78665946297048 13878.5883166353 63.630446909008 -78.671494104862 1126435.67938113 T 128 CATAB v2.0e-lin.ifort 2018-Sep-20 18:19:49 2018-Sep-20 18:19
2148-Jan-15 20:14 00:30 Jupiter 1.88359271863865 1.88306137955568 1.88412412051498 12.1974072311066 12.1604841224128 2505615.342884232 29.9647229580995 31577.3821835617 249.436733522329 -33.2140618527252 431092.190853234 T 128 CATAB v2.0e-lin.ifort 2018-Sep-20 18:19:49 2018-Sep-20 18:19
2158-Aug-13 05:55 00:30 Jupiter 1.90544657669021 1.90490310311073 1.90599007873617 12.3751190686812 12.3391457522545 2509477.746415770 30.2237292703 29498.8734278626 1495.41566126214 -23.6781413930105 55805.5840315369 T 128 CATAB v2.0e-lin.ifort 2018-Sep-20 18:19:49 2018-Sep-20 18:19
2181-Dec-30 15:20 00:13 Jupiter 0.96868108134846 0.968545980253732 0.96881629627429 8.64407779206377 8.54232198033574 2518018.138937130 12.7547053104624 18390.0156366948 1537.23911921441 -69.5167978605569 82080.9868316786 T 128 CATAB v2.0e-lin.ifort 2018-Sep-20 18:19:49 2018-Sep-20 18:19

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2009.7   217P/2009 F3       
 2001.9   217P/2001 MD7       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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