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/2017 T1 (Heinze)
Classification: Hyperbolic Comet          SPK-ID: 1003538
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ 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 2458101.5 (2017-Dec-14.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000345786802034 8.2969e-06  
a -1679.227553118097 40.282 au
q .5806547254801013 3.2406e-06 au
i 96.83375647604693 0.00019288 deg
node 102.3159450857234 2.2449e-05 deg
peri 96.91627909591816 0.00050198 deg
M -.0009984433940463837 3.5924e-05 deg
tp 2458171.208173180186
(2018-Feb-21.70817318)
0.00020965 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.432318978530029E-5 5.1539e-07 deg/d
Q n/a n/a au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 4.684788318732516E-8 1.315E-9
A2 [EST] -1.614069446285346E-8 1.294E-9
  Orbit Determination Parameters
   # obs. used (total)      1005  
   data-arc span      262 days  
   first obs. used      2017-09-28  
   last obs. used      2018-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .64919  
   source      ORB  
   producer      Javier Roa  
   solution date      2019-May-15 15:10:09  

Additional Information
 Earth MOID = .0140842 au 
 Jupiter MOID = 3.03183 au 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.9   1. 11 from 274 observations, assumed slope, autocmod 2.6q
comet total magnitude slope K1 14.   n/a 11 autocmod 2.6q
comet nuclear magnitude M2 17.0   1. 11 from 619 observations, autocmod 2.6q
comet nuclear magnitude slope K2 5.   n/a 11 autocmod 2.6q
comet nuclear phase coefficient PC 0.03   n/a 11 autocmod 2.6q

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-17 02:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin