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 ]  
C/2020 Y3 (ATLAS)
Classification: Comet          SPK-ID: 1003755
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 2459249.5 (2021-Feb-04.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9868408370182463 4.446e-05  
a 151.9307442827698 0.51513 au
q 1.999281425956109 2.5338e-05 au
i 83.09720348167075 0.00037094 deg
node 191.4270682350669 0.00026888 deg
peri 342.0460226867961 0.0015599 deg
M .03289878655405327 0.00016879 deg
tp 2459186.990747749801
(2020-Dec-03.49074775)
0.002999 TDB
period 684017.0464372076
1872.74
3478.8
9.524
d
yr
n .0005263026731206586 2.6767e-06 deg/d
Q 301.8622071395835 1.0235 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      87 days  
   first obs. used      2020-12-28  
   last obs. used      2021-03-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .58103  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:34:17  

Additional Information
 Earth MOID = 1.03229 au 
 Jupiter MOID = 3.38119 au 
 T_jup = 0.244 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 15.3   0.5 5 2 parameter fit from 245 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 5 autocmod 2.9c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2020.9   C/2020 Y3       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-23 00:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin