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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
41P/Tuttle-Giacobini-Kresak
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000100
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.


[ revert to old Java-based viewer ]

:
Orbital Elements at Epoch 2457844.5 (2017-Apr-01.0) TDB
Reference: JPL K171/18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6612506884287184 3.6904e-07  
a 3.085003278874254 3.4009e-06 au
q 1.0450427369138 3.3356e-08 au
i 9.229131696230207 2.6651e-06 deg
node 141.066286210229 1.4021e-05 deg
peri 62.15858521740492 1.9255e-05 deg
M 357.86232425359 3.2607e-06 deg
tp 2457856.252254856775
(2017-Apr-12.75225486)
7.858e-06 TDB
period 1979.164405801095
5.42
0.0032727
8.96e-06
d
yr
n .1818949446265354 3.0078e-07 deg/d
Q 5.124963820834708 5.6498e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.7443075575162E-8 2.164E-10
A2 [EST] 4.288032804305828E-9 2.154E-10
A3 [EST] 1.47032014107612E-9 1.171E-10
ALN [SET] 24.491 n/a
DT [EST] 11.40671877972504 .5944
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      4259  
   # delay obs. used      2  
   # Doppler obs. used      7  
   data-arc span      262 days  
   first obs. used      2016-11-10  
   last obs. used      2017-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .41437  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2018-Jan-31 15:24:02  

Additional Information
 Earth MOID = .133597 au 
 Jupiter MOID = .488323 au 
 T_jup = 2.827 
 Using nonstandard R0=1 au and ALN=24.491 
[ 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 15.3   1. K171/18 from 493 observations, assumed slope, autocmod 2.6l
comet total magnitude slope K1 17.   n/a K171/18 autocmod 2.6l
diameter diameter 1.4 km n/a Lamy,P.L.,Toth,I.,Fernandez,Y.R.,Weaver,H.A. (2004) Comets II, pp. 223-264  

41P/Tuttle-Giacobini-Kresak          Discovered 1858-May-03 by Tuttle, Horace at Harvard College Observatory, Massachusetts
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1990.2       1990 II   1989b1 
 1979.3       1978 XXV   1978r 
 1973.9       1973 VI   1973b 
 1963.1       1962 V   1962b 
 1952.3   41P/1951 H1   1951 IV   1951f 
 1908.9   41P/1907 L1   1907 III   1907c 
 1860.1   41P/1858 J1   1858 III   
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 17:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin