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 ]  
P/2007 T2 (Kowalski)
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1002480
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | 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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2454411.5 (2007-Nov-07.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7750089841708707 8.7851e-05  
a 3.092645035630441 0.0011149 au
q .6958173481654067 2.6047e-05 au
i 9.896422280894011 0.00064772 deg
node 3.997656618327088 0.0016087 deg
peri 358.553635824916 0.0018362 deg
M 8.87574673320575 0.0048078 deg
tp 2454362.522575797925
(2007-Sep-19.02257580)
0.0010029 TDB
period 1986.522739183513
5.44
1.0742
0.002941
d
yr
n .1812211825714941 9.7995e-05 deg/d
Q 5.489472723095476 0.001979 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.310510516131422E-8 4.691E-9
A2 [EST] 2.359364581979795E-9 3.1E-9
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      160 days  
   first obs. used      2007-08-11  
   last obs. used      2008-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .27926  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 10:57:33  

Additional Information
 Earth MOID = .156333 au 
 Jupiter MOID = .0304344 au 
 T_jup = 2.642 
[ 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 18.5   0.6 21 2 parameter fit from 68 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a 21 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2007.7   P/2007 T2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-29 11:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin