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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.


Orbital Elements at Epoch 2454411.5 (2007-Nov-07.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7750089844606387 8.7851e-05  
a 3.092645037475934 0.0011149 au
q .6958173476844763 2.6047e-05 au
i 9.8964223084264 0.00064772 deg
node 3.997656530187372 0.0016087 deg
peri 358.553635866107 0.0018362 deg
M 8.875746723701628 0.0048078 deg
tp 2454362.522575806530
(2007-Sep-19.02257581)
0.0010029 TDB
period 1986.522740961657
5.44
1.0742
0.002941
d
yr
n .1812211824092824 9.7995e-05 deg/d
Q 5.48947272726739 0.001979 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.310515543179985E-8 4.691E-9
A2 [EST] 2.359307158954154E-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .27926  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:31:12  

Additional Information
 Earth MOID = .156333 au 
 Jupiter MOID = .0304343 au 
 T_jup = 2.642 
[ hide covariance matrix ]
Orbit Covariance (8×8)
  e q tp node peri i A1 A2
e 7.717864592375822E-9 -1.871198086714383E-9 -2.814961487644451E-9 9.656409186248343E-8 1.378094282304185E-8 5.454294325212442E-8 -2.185530436206102E-13 1.11853304688941E-13
q -1.871198086714383E-9 6.78455979035745E-10 1.538224976312108E-8 -2.183129969425952E-8 1.768592827130091E-8 -1.534251053357803E-8 1.736863561100633E-14 9.568919244596623E-15
tp -2.814961487644451E-9 1.538224976312108E-8 1.005878187717923E-6 3.15197754164836E-8 1.408202889074897E-6 -1.694657177690586E-7 -1.801517584707939E-12 2.577676125966158E-12
node 9.656409186248343E-8 -2.183129969425952E-8 3.15197754164836E-8 2.587764454697119E-6 -1.040271774686311E-6 7.388737110863116E-7 -4.738772538704128E-12 9.760610537612763E-13
peri 1.378094282304185E-8 1.768592827130091E-8 1.408202889074897E-6 -1.040271774686311E-6 3.371546377928762E-6 -1.692671464699612E-7 -2.067461823611646E-12 4.287102578993357E-12
i 5.454294325212442E-8 -1.534251053357803E-8 -1.694657177690586E-7 7.388737110863116E-7 -1.692671464699612E-7 4.195437267925436E-7 -1.474299581334697E-12 3.355656398110039E-13
A1 -2.185530436206102E-13 1.736863561100633E-14 -1.801517584707939E-12 -4.738772538704128E-12 -2.067461823611646E-12 -1.474299581334697E-12 2.200888467368869E-17 -4.687702841666481E-18
A2 1.11853304688941E-13 9.568919244596623E-15 2.577676125966158E-12 9.760610537612763E-13 4.287102578993357E-12 3.355656398110039E-13 -4.687702841666481E-18 9.607370902156655E-18

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 22 2 parameter fit from 68 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 22 autocmod 2.9c

[ 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 ]
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