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 ]  
C/2018 F3 (Johnson)
Classification: Hyperbolic Comet          SPK-ID: 1003567
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ 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 2458200.5 (2018-Mar-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000016241112605 0.013053  
a -152892.6936152077 1.2288e+08 au
q 2.483147453487701 0.0084571 au
i 105.5349126929927 0.18823 deg
node 173.0311386136694 0.021009 deg
peri 293.0107966292608 0.3849 deg
M 3.623162188531425E-6 0.0043679 deg
tp 2457980.732332175265
(2017-Aug-15.23233218)
1.2794 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.648632951513551E-8 1.9875e-05 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      17 days  
   first obs. used      2018-03-20  
   last obs. used      2018-04-06  
   two-body model      T  
   norm. resid. RMS      .71903  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:43  

Additional Information
 Earth MOID = 1.93616 au 
 Jupiter MOID = 1.46717 au 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 12.9   0.4 4 from 49 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 10.   n/a 4 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-25 10:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin