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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
320P/McNaught
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000508
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2455658.5 (2011-Apr-07.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6824438904394822 7.7684e-08  
a 3.102948731326915 2.6528e-08 au
q .9853603272859196 2.3844e-07 au
i 4.893564317653751 1.6358e-05 deg
node 295.9559793074027 0.00023351 deg
peri .6659741140897921 0.00022952 deg
M 73.91602249272096 5.0134e-06 deg
tp 2455248.582541883706
(2010-Feb-21.08254188)
3.0759e-05 TDB
period 1996.458683046671
5.47
2.5602e-05
7.009e-08
d
yr
n .1803192838684878 2.3124e-09 deg/d
Q 5.220537135367911 4.4631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      4055 days (11.10 yr)  
   first obs. used      2004-09-02  
   last obs. used      2015-10-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .71595  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:23  

Additional Information
 Earth MOID = .0278604 au 
 Jupiter MOID = .0321803 au 
 T_jup = 2.802 
[ 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 19.6   01. 30 2 parameter fit from 59 observations, autocmod 2.9c
comet total magnitude slope K1 14.25   n/a 30 autocmod 2.9c

[ 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
1907-Dec-05 11:32 00:10 Jupiter 0.0601659786110432 0.0596100067249491 0.0607291826934191 7.75491338021227 5.65530605706355 2417914.980894993 10.4200144027635 48330.4910532238 65.8740519225581 52.7651266801083 138041.358132957 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:24 2021-Apr-15 23:28
1967-Feb-10 21:41 01:34 Jupiter 1.8764400342169 1.87482346257748 1.8780566586589 8.59031012260187 8.53760099142316 2439532.403182813 94.3554607050375 82134.9473957498 291.18543849703 -12.8161444240507 161162.016318157 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:24 2021-Apr-15 23:28
1990-Oct-25 11:52 00:02 Jupiter 0.0415691853006587 0.0415649097647178 0.041573461035913 8.52586585707907 5.65136847445188 2448189.994741138 2.18090825595246 282.240549852274 25.2106774772866 34.7937349699227 182332.755161309 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:24 2021-Apr-15 23:28
2002-Nov-04 15:05 00:01 Jupiter 0.806802922146645 0.806797255084234 0.806808589208643 8.30638710510255 8.17901984294542 2452583.128370285 1.37124355391355 282.352769790568 200.516816981708 10.6893573607369 337937.591307991 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:24 2021-Apr-15 23:28
2015-Sep-05 12:06 < 00:01 Earth 0.183476655417887 0.183475442164337 0.183477868671437 16.2847920759049 16.2839002887435 2457271.004274962 0.161144996257931 60.5143623820676 30.6255955503585 -1.48552202074335 436407.134971925 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:24 2021-Apr-15 23:28
2026-May-27 15:53 < 00:01 Earth 0.231497009844357 0.231493308105888 0.231500711587233 17.8522115916291 17.8515668543416 2461188.162055015 0.422661013064081 192.313271167379 66.029882789281 17.3841518380636 212912.318564493 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:24 2021-Apr-15 23:28
2049-Sep-30 20:34 00:01 Jupiter 1.66306005478602 1.66305585678646 1.66306425278548 10.6360720694418 10.5880780960645 2469715.356891176 1.2093060954513 260.114071782199 208.018997479747 -85.2681704118439 809151.21083809 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:24 2021-Apr-15 23:28
2061-Jul-06 14:41 00:02 Jupiter 0.123712806249196 0.12371028939321 0.123715323225791 6.95510258614688 5.88897984889442 2474012.111773783 1.8979074371569 280.030857594848 67.8985703642899 66.9011834931519 274719.633973361 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:24 2021-Apr-15 23:28
2098-Mar-31 05:10 00:50 Jupiter 1.51894480635414 1.51857721212577 1.51931241268473 9.57129940053142 9.51285943750622 2487428.715148447 50.3990938992067 19545.8302765167 546.087065559303 21.247354713836 109365.400160484 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:24 2021-Apr-15 23:28
2108-Dec-04 21:42 00:04 Jupiter 0.198910262670694 0.198613243189811 0.199207274300754 6.74803253026667 6.08434988084161 2491329.404078639 3.6512911602358 14639.7120783913 141.82550289617 -1.05327985941997 2037.85576839099 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:24 2021-Apr-15 23:28
2170-May-08 12:11 15:22 Jupiter 0.786545655179354 0.781531151833502 0.792176173950526 5.96293170092176 5.77951348262938 2513764.007430221 922.369236763485 1146550.0639003 1034.56055601285 77.9004405420542 117046.669000861 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:24 2021-Apr-15 23:28

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2015.6   320P/2015 HC10       
 2004.7   320P/2004 R1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-17 13:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin