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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 2455418.5 (2010-Aug-10.0) TDB
Reference: JPL 131 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6896140111994894 6.668e-08  
a 3.944252431639624 4.4618e-08 au
q 1.224240691073283 2.6109e-07 au
i 12.88033434700374 4.9802e-06 deg
node 125.6208629706365 1.9505e-05 deg
peri 246.7646805888779 2.985e-05 deg
M 42.15221219735923 2.0825e-06 deg
tp 2455083.485695614831
(2009-Sep-08.98569561)
1.6358e-05 TDB
period 2861.181971042947
7.83
4.8549e-05
1.329e-07
d
yr
n .1258221265349209 2.135e-09 deg/d
Q 6.664264172205965 7.5388e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.600286446663552E-9 3.252E-11
A2 [EST] -1.220539524128858E-10 1.263E-11
A3 [EST] 2.746143125238606E-12 2.267E-11
DT [EST] 22.1008722396352 1.921
  Orbit Determination Parameters
   # obs. used (total)      3272  
   data-arc span      6117 days (16.75 yr)  
   first obs. used      2001-06-21  
   last obs. used      2018-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59271  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:27:56  

Additional Information
 Earth MOID = .307607 au 
 Jupiter MOID = .655399 au 
 T_jup = 2.548 
[ 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 14.0   1. 131 2 parameter fit from 553 observations, autocmod 2.9c
comet total magnitude slope K1 6.5   n/a 131 autocmod 2.9c

[ show close-approach data ]
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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