Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
222P/LINEAR
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000530
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454620.5 (2008-Jun-03.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7268241441104772 8.7922e-08  
a 2.857451014258531 3.6084e-08 au
q .7805866264824591 2.5912e-07 au
i 5.146523755949469 6.7296e-06 deg
node 7.132797132343198 0.00013097 deg
peri 345.4267483330132 0.00012753 deg
M 267.1227145852772 2.3095e-06 deg
tp 2455075.670000326911
(2009-Sep-01.17000033)
1.4306e-05 TDB
period 1764.276371623075
4.83
3.3419e-05
9.15e-08
d
yr
n .2040496635279495 3.8651e-09 deg/d
Q 4.934315402034603 6.2311e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 8.96284537690192E-11 8.257E-11
A2 [EST] -4.370495715662282E-12 3.002E-13
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      5283 days (14.46 yr)  
   first obs. used      2004-12-07  
   last obs. used      2019-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .79702  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:27:57  

Additional Information
 Earth MOID = .0628239 au 
 Jupiter MOID = .50935 au 
 T_jup = 2.835 
[ hide covariance matrix ]
Orbit Covariance (8×8)
  e q tp node peri i A1 A2
e 7.730340442044258E-15 -2.277647165678535E-14 -4.164688598539485E-13 2.891629487075437E-12 -9.168202142134695E-13 -9.19431151848191E-14 5.827081794463206E-18 1.282337178869204E-20
q -2.277647165678535E-14 6.714403672696011E-14 1.276300499413789E-12 -8.373597112174696E-12 2.560547375576429E-12 2.789031957041109E-13 -1.732993932742968E-17 -3.853917784354312E-20
tp -4.164688598539485E-13 1.276300499413789E-12 2.046699954134183E-10 -6.280827765165169E-11 3.900706375571883E-11 3.137698472708473E-11 -5.783512864305717E-16 -2.176790640896349E-18
node 2.891629487075437E-12 -8.373597112174696E-12 -6.280827765165169E-11 1.715280671167847E-8 -1.639063049348043E-8 9.89243006776456E-11 1.427794234840097E-15 2.042224029194428E-18
peri -9.168202142134695E-13 2.560547375576429E-12 3.900706375571883E-11 -1.639063049348043E-8 1.626406983568977E-8 -1.338311168139951E-10 8.547435800815697E-17 7.336589697900354E-19
i -9.19431151848191E-14 2.789031957041109E-13 3.137698472708473E-11 9.89243006776456E-11 -1.338311168139951E-10 4.52870675768691E-11 -1.188318806035332E-16 -3.245978846468487E-19
A1 5.827081794463206E-18 -1.732993932742968E-17 -5.783512864305717E-16 1.427794234840097E-15 8.547435800815697E-17 -1.188318806035332E-16 6.818076003166627E-21 1.548227219400182E-23
A2 1.282337178869204E-20 -3.853917784354312E-20 -2.176790640896349E-18 2.042224029194428E-18 7.336589697900354E-19 -3.245978846468487E-19 1.548227219400182E-23 9.012614265791124E-26

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 19.3   2. 37 2 parameter fit from 73 observations, autocmod 2.9c
comet total magnitude slope K1 11.   n/a 37 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2009.7   222P/2009 MB9       
 2004.8   222P/2004 X1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-09 06:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin