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 ]  
350P/McNaught
Classification: Encke-type Comet          SPK-ID: 1003092
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455791.5 (2011-Aug-18.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08691048624972099 4.0936e-07  
a 4.104985219942692 7.2034e-07 au
q 3.748218958429555 2.027e-06 au
i 7.356478059807627 4.1806e-05 deg
node 65.66931695476946 0.00015348 deg
peri 150.0569130449323 0.00051901 deg
M 77.23971365963349 0.00042045 deg
tp 2455139.715575758394
(2009-Nov-04.21557576)
0.0036951 TDB
period 3037.846486083045
8.32
0.00079962
2.189e-06
d
yr
n .118505000713245 3.1193e-08 deg/d
Q 4.461751481455829 7.8295e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -1.986964580110883E-9 5.318E-11
ALN [SET] .0408373333128795 n/a
NK [SET] 2.6 n/a
NM [SET] 2. n/a
NN [SET] 3. n/a
R0 [SET] 5. n/a
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      4614 days (12.63 yr)  
   first obs. used      2005-11-01  
   last obs. used      2018-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .6979  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 11:12:53  

Additional Information
 Earth MOID = 2.74469 au 
 Jupiter MOID = .537315 au 
 T_jup = 3.023 
 Nongrav. accels. using CO driven g(r) 
[ 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 11.2   1. 23 from 73 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 10.   n/a 23 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2018.2   350P/2017 B2       
 2009.8   350P/2010 J5       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-05 09:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin