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 ]  
C/2005 L3 (McNaught)
Classification: Comet          SPK-ID: 1000587
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454729.5 (2008-Sep-20.0) TDB
Reference: JPL 218 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9995866280593779 1.461e-06  
a 13531.70744603458 47.828 au
q 5.593628166897508 1.0223e-06 au
i 139.4492472756613 4.9215e-06 deg
node 288.7398150206444 1.003e-05 deg
peri 47.13387025925456 1.9591e-05 deg
M .000155067120358103 8.2218e-07 deg
tp 2454481.846455677075
(2008-Jan-16.34645568)
0.00020069 TDB
period 574946357.1024146
1574117.34
3.0482e+06
8346
d
yr
n 6.261453708730492E-7 3.3197e-09 deg/d
Q 27057.82126390226 95.636 au
  Orbit Determination Parameters
   # obs. used (total)      5219  
   data-arc span      3464 days (9.48 yr)  
   first obs. used      2004-07-16  
   last obs. used      2014-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .60144  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:30:51  

Additional Information
 Earth MOID = 4.71252 au 
 Jupiter MOID = 1.20432 au 
 T_jup = -2.228 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 2.134522316205481E-12 1.242320666823084E-12 1.219916783403183E-10 -1.171772289740843E-12 1.09541971181377E-11 -1.2079578254719E-12
q 1.242320666823084E-12 1.04507134518731E-12 1.097613037974433E-10 -6.714943767052984E-13 1.079616264005688E-11 -7.459193209892855E-13
tp 1.219916783403183E-10 1.097613037974433E-10 4.027738756161785E-8 -3.621609221022708E-11 3.52235516435124E-9 -3.435402188734399E-11
node -1.171772289740843E-12 -6.714943767052984E-13 -3.621609221022708E-11 1.005977920027094E-10 7.237105823194025E-11 1.273445283017955E-11
peri 1.09541971181377E-11 1.079616264005688E-11 3.52235516435124E-9 7.237105823194025E-11 3.83824819892623E-10 5.633374219986572E-12
i -1.2079578254719E-12 -7.459193209892855E-13 -3.435402188734399E-11 1.273445283017955E-11 5.633374219986572E-12 2.422151314961083E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 8.4   1. 218 2 parameter fit from 735 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 218 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2008.0   C/2005 L3       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-24 22:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin