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/2017 T2 (PANSTARRS)
Classification: Comet          SPK-ID: 1003539
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.


Orbital Elements at Epoch 2458830.5 (2019-Dec-13.0) TDB
Reference: JPL 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9996775499451402 1.2901e-06  
a 5008.823891361519 20.042 au
q 1.615095538552386 1.1621e-06 au
i 57.23144437876542 1.1601e-05 deg
node 64.37877969874813 5.7996e-06 deg
peri 92.99331460599163 5.3104e-05 deg
M 359.9995997678676 2.4024e-06 deg
tp 2458974.449951330102
(2020-May-04.94995133)
7.1433e-05 TDB
period 129479815.0332748
354496.41
7.7714e+05
2128
d
yr
n 2.7803561497789E-6 1.6688e-08 deg/d
Q 10016.03268718448 40.078 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 3.59162031904565E-8 6.087E-10
A2 [EST] -7.884138542696051E-10 5.241E-10
A3 [EST] -3.931756987293125E-10 1.286E-10
DT [EST] -46.72747386972377 1.943
  Orbit Determination Parameters
   # obs. used (total)      6863  
   data-arc span      1394 days (3.82 yr)  
   first obs. used      2017-09-15  
   last obs. used      2021-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .5031  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-26 23:12:25  

Additional Information
 Earth MOID = 1.20234 au 
 Jupiter MOID = .998418 au 
 T_jup = 0.854 
[ 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 10.2   1. 51 2 parameter fit from 4618 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 51 autocmod 2.9c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2020.3   C/2017 T2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-04 03:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin