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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 ]

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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.


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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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2004-Sep-30 00:08 21:52 Jupiter 0.0198563495632364 0.0196463523980657 0.0221427682801435 11.3702985782852 6.63088690313234 2453278.505209883 1311.83765134588 570758.441841741 8291.67844538152 -86.1246810008613 535.163954225549 T 21 CATAB v2.0f-lin.ifort 2020-Nov-11 10:57:34 2020-Nov-11 10:57
2007-Sep-10 21:07 00:03 Earth 0.302956262513297 0.302875225823992 0.303037299207114 18.644001390786 18.643529655036 2454354.379678270 3.45677758106768 4041.40021577705 420.446278848357 1.05866339460984 8557.59111907854 T 21 CATAB v2.0f-lin.ifort 2020-Nov-11 10:57:34 2020-Nov-11 10:57
2007-Oct-02 01:45 00:05 Venus 0.110795190902789 0.110725012709949 0.110865549814926 17.254775572095 17.2536396383107 2454375.572751257 4.62943955141633 7902.00192027058 301.425485594103 -63.7606133443997 46152.4531895456 T 21 CATAB v2.0f-lin.ifort 2020-Nov-11 10:57:34 2020-Nov-11 10:57
2016-Dec-17 12:33 3_07:55 Jupiter 1.01177001987502 0.974245650310888 1.04934655525089 9.51457056057123 9.42617180580082 2457740.022791443 4795.48812842316 1907478.4781189 17425.9725303947 12.3563262703221 1190.52520972844 T 21 CATAB v2.0f-lin.ifort 2020-Nov-11 10:57:34 2020-Nov-11 10:57
2018-Jun-15 11:51 6_16:57 Earth 0.41845080165173 0.304332044679158 0.539041516827573 32.5573665654088 32.5571709874146 2458284.994033701 9656.62982382031 6403615.48460888 4256.91970864633 22.938722690554 5366.00371895703 T 21 CATAB v2.0f-lin.ifort 2020-Nov-11 10:57:34 2020-Nov-11 10:57

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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