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 ]  
8P/Tuttle
Classification: Jupiter-family Comet* [NEO]          SPK-ID: 1000099
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 2454495.5 (2008-Jan-30.0) TDB
Reference: JPL K215/11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8198532564761598 2.5427e-07  
a 5.701640821364433 8.1816e-06 au
q 1.027132026711396 7.2832e-08 au
i 54.9828639120142 1.2295e-05 deg
node 270.3415116921017 5.3868e-06 deg
peri 207.5066807787936 1.3978e-05 deg
M .2155325246588622 9.5007e-07 deg
tp 2454492.522796472102
(2008-Jan-27.02279647)
1.0685e-05 TDB
period 4972.76813204726
13.61
0.010704
2.931e-05
d
yr
n .07239428632916976 1.5582e-07 deg/d
Q 10.37614961601747 1.4889e-05 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 5.628981793677806E-10 8.812E-11
A2 [EST] 1.390167687923292E-10 1.828E-13
A3 [EST] -4.387120587091222E-10 1.033E-10
  Orbit Determination Parameters
   # obs. used (total)      1641  
   data-arc span      19865 days (54.39 yr)  
   first obs. used      1967-01-07  
   last obs. used      2021-05-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .69776  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2021-Jun-01 11:32:01  

Additional Information
 Earth MOID = .0954047 au 
 Jupiter MOID = .739016 au 
 T_jup = 1.600 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 15.0   1. K215/11 2 parameter fit from 222 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a K215/11 autocmod 2.9c
diameter diameter 4.5 km 1. Harmon, J.K.;Nolan,M.C.;Howell,E.S.;Giorgini,J.D. (2008) IAUC 8909 equivalent diameter of a sphere having a volume equal to the sum of a 3km and 4km sphere

8P/Tuttle          Discovered 1790-Jan-09 by Mechain, Pierre F. A. at Paris, France
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1994.5       1994 XV   1992r 
 1980.8       1980 XIII   1980h 
 1967.2       1967 V   1967a 
 1940.0       1939 X   1939k 
 1926.4       1926 IV   1926a 
 1912.8       1912 IV   1912b 
 1899.2       1899 III   1899b 
 1885.5       1885 IV   1885b 
 1871.9   8P/1871 T1   1871 III   1871d 
 1858.3   8P/1858 A1   1858 I   
 1790.2   8P/1790 A2   1790 II   
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-18 22:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin