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 ]  
C/2019 T4 (ATLAS)
Classification: Comet          SPK-ID: 1003644
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | 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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458891.5 (2020-Feb-12.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9961002378770759 5.5706e-05  
a 1087.622737164068 15.514 au
q 4.241469954423454 0.00010565 au
i 53.61640771394391 3.2e-05 deg
node 199.9810880792554 0.00042975 deg
peri 351.2037892353677 0.0008043 deg
M 359.9766926009497 0.00049952 deg
tp 2459739.717356951352
(2022-Jun-09.21735695)
0.031379 TDB
period 13101343.81977383
35869.52
2.8031e+05
767.4
d
yr
n 2.747809728164317E-5 5.8791e-07 deg/d
Q 2171.004004373713 30.967 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      470 days (1.29 yr)  
   first obs. used      2019-02-05  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .36649  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-26 12:44:31  

Additional Information
 Earth MOID = 3.24792 au 
 Jupiter MOID = 1.17484 au 
 T_jup = 1.518 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 6.2   0.5 13 from 167 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 8.25   n/a 13 autocmod 2.8
comet nuclear magnitude M2 9.3   0.3 13 from 9 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 13 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 13 autocmod 2.8

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2022.4   C/2019 T4       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-30 10:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin