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/2021 K3 (Catalina)
Classification: Hyperbolic Comet          SPK-ID: 1003789
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459382.5 (2021-Jun-17.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.003720444027253 0.0017052  
a -1405.793928436791 644.36 au
q 5.230177624601068 0.00026301 au
i 134.8159522138483 0.0087392 deg
node 114.434895242653 0.0045981 deg
peri 181.9442710992318 0.025694 deg
M -.004307231047779674 0.0029646 deg
tp 2459612.843833213224
(2022-Feb-02.34383321)
0.18512 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.869913766604973E-5 1.2857e-05 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      83 days  
   first obs. used      2021-05-20  
   last obs. used      2021-08-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .33164  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-04 23:43:10  

Additional Information
 Earth MOID = 4.2142 au 
 Jupiter MOID = .0833424 au 
[ 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 10.4   0.4 3 from 79 observations, assumed slope, autocmod 2.9e
comet total magnitude slope K1 10.   n/a 3 autocmod 2.9e

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-21 09:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin