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140P/Bowell-Skiff
Classification: Jupiter-family Comet          SPK-ID: 1000006
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2451320.5 (1999-May-22.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.691761661370916 5.9685e-07  
a 6.39724825593164 4.0534e-07 au
q 1.97187717420617 3.7662e-06 au
i 3.83582756854885 4.0404e-05 deg
node 343.4564572071254 0.00049698 deg
peri 173.0867710151257 0.00059916 deg
M .437851279495995 3.2412e-05 deg
tp 2451313.311929034546
(1999-May-14.81192903)
0.00053143 TDB
period 5910.010244898941
16.18
0.0005617
1.538e-06
d
yr
n .06091359999091776 5.7893e-09 deg/d
Q 10.8226193376571 6.8573e-07 au
  Orbit Determination Parameters
   planetary ephem.      DE405  
   source      ORB  

Additional Information
 Earth MOID = .981441 au 
 T_jup = 2.411 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 3.562285273155126E-13 -2.246858186725512E-12 9.413718369650887E-11 -4.417629175404059E-11 1.502252101355144E-10 1.368842831284067E-12
q -2.246858186725512E-12 1.418445327121961E-11 -5.3706483196912E-10 2.686260883166294E-10 -9.180644853034017E-10 -7.858443585350974E-12
tp 9.413718369650887E-11 -5.3706483196912E-10 2.824140682758521E-7 -4.737251948280199E-8 1.63740627126231E-7 3.243782870506134E-9
node -4.417629175404059E-11 2.686260883166294E-10 -4.737251948280199E-8 2.469846547842222E-7 -2.718617141782932E-7 -1.582658367051957E-8
peri 1.502252101355144E-10 -9.180644853034017E-10 1.63740627126231E-7 -2.718617141782932E-7 3.589965052066859E-7 1.718735083492448E-8
i 1.368842831284067E-12 -7.858443585350974E-12 3.243782870506134E-9 -1.582658367051957E-8 1.718735083492448E-8 1.632454822921355E-9

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 11.5   n/a MPC 33595  
comet total magnitude slope K1 15   n/a MPC 33595  
comet nuclear magnitude M2 16.3   n/a MPC 33595  
comet nuclear magnitude slope K2 5   n/a MPC 33595  
comet nuclear phase coefficient PC 0.03   n/a MPC 33595  

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1999.4   140P/1998 X2       
 1983.2   140P/1983 C1   1983 II   1983c 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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