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 ]  
284P/McNaught
Classification: Jupiter-family Comet          SPK-ID: 1002452
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455364.5 (2010-Jun-17.0) TDB
Reference: JPL 64 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3782822660668965 4.5342e-07  
a 3.671705087449623 1.8974e-07 au
q 2.282764166639827 1.7707e-06 au
i 11.87390868247508 1.498e-05 deg
node 144.364566998063 5.755e-05 deg
peri 202.76766762 0.00011612 deg
M 144.8207016592854 4.4515e-05 deg
tp 2454330.719679945006
(2007-Aug-18.21967995)
0.00037265 TDB
period 2569.804668502214
7.04
0.00019919
5.454e-07
d
yr
n .140088468362003 1.0859e-08 deg/d
Q 5.060646008259418 2.6151e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 7.776918045806679E-9 2.98E-9
A2 [EST] -2.891656958431084E-10 1.597E-10
A3 [EST] -5.517985424826156E-9 5.977E-10
  Orbit Determination Parameters
   # obs. used (total)      1831  
   data-arc span      4819 days (13.19 yr)  
   first obs. used      2007-04-17  
   last obs. used      2020-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59611  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:15  

Additional Information
 Earth MOID = 1.27995 au 
 Jupiter MOID = .419105 au 
 T_jup = 2.939 
[ 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 7.5   1. 64 2 parameter fit from 347 observations, autocmod 2.9c
comet total magnitude slope K1 20.5   n/a 64 autocmod 2.9c
comet nuclear magnitude M2 13.5   0.8 64 from 1302 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 64 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 64 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2014.7   284P/2013 J1       
 2007.6   284P/2007 H1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-20 08:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin