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 ]  
110P/Hartley 3
Classification: Jupiter-family Comet          SPK-ID: 1000119
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2457131.5 (2015-Apr-19.0) TDB
Reference: JPL K212/7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3149284621917051 2.505e-07  
a 3.613225317772116 3.3286e-07 au
q 2.475317824894008 1.0288e-06 au
i 11.69107151902421 1.786e-05 deg
node 287.7127423857948 3.0438e-05 deg
peri 167.7471972006812 8.1386e-05 deg
M 17.53802155714299 3.9577e-05 deg
tp 2457009.286525080188
(2014-Dec-17.78652508)
0.00026635 TDB
period 2508.655313701163
6.87
0.00034666
9.491e-07
d
yr
n .1435031740047505 1.983e-08 deg/d
Q 4.751132810650223 4.3769e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1381  
   data-arc span      2652 days (7.26 yr)  
   first obs. used      2013-08-11  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48203  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2020-Nov-17 10:19:22  

Additional Information
 Earth MOID = 1.49204 au 
 Jupiter MOID = .475284 au 
 T_jup = 2.989 
[ 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 6.7   1. K212/7 from 274 observations, assumed slope, autocmod 2.9a
comet total magnitude slope K1 20.25   n/a K212/7 autocmod 2.9a
comet nuclear magnitude M2 13.3   0.9 K212/7 from 1101 observations, autocmod 2.9a
comet nuclear magnitude slope K2 5.   n/a K212/7 autocmod 2.9a
comet nuclear phase coefficient PC 0.03   n/a K212/7 autocmod 2.9a
diameter diameter 4.3 km n/a Lamy,P.L.,Toth,I.,Fernandez,Y.R.,Weaver,H.A. (2004) Comets II, pp. 223-264  
rotation period rot_per 10.153 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Kokotankekova, R.; Snodgrass, C.; Lacerda, P.; Green S.F.; et al. (2017) Mon. Not. Royal Ast. Soc. 471, 2974-3007.]

110P/Hartley 3          Discovered 1988-Feb-19 by Hartley, Malcolm at U. K. Schmidt Telescope, Siding Spring
discovered on plate/photo taken on discovery date
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1994.4   110P/1993 M1   1994 XII   1993m 
 1987.5   110P/1988 D1   1987 XII   1988d 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-27 01:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin