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139P/Vaisala-Oterma
Classification: Jupiter-family Comet          SPK-ID: 1000238
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455516.5 (2010-Nov-16.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2475258895835873 1.8595e-07  
a 4.522310018781327 7.1455e-08 au
q 3.40292120840971 8.347e-07 au
i 2.328730212472332 1.9725e-05 deg
node 242.3775854441777 0.00034897 deg
peri 165.7253966892989 0.00035396 deg
M 96.29128772402149 5.0653e-05 deg
tp 2454576.942383031845
(2008-Apr-20.44238303)
0.00049682 TDB
period 3512.682716197136
9.62
8.3253e-05
2.279e-07
d
yr
n .1024857720112392 2.429e-09 deg/d
Q 5.641698829152944 8.9142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      546  
   data-arc span      28975 days (79.33 yr)  
   first obs. used      1939-10-07  
   last obs. used      2019-02-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .71929  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:27:39  

Additional Information
 Earth MOID = 2.41255 au 
 Jupiter MOID = .0503809 au 
 T_jup = 2.956 
[ 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 7.2   0.7 41 from 280 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 18.   n/a 41 autocmod 2.9c
comet nuclear magnitude M2 14.4   0.7 41 from 189 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 41 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 41 autocmod 2.9c

[ 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
1935-May-05 08:20 05:08 Jupiter 0.186762279394191 0.186735973199916 0.186788810828283 3.30362170420963 1.35768966734528 2427927.847469306 308.19482368503 20425.7990698929 260.913430978237 -68.1267514762308 289111.066520743 T 41 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:40 2021-Apr-15 23:27
1981-Jul-30 14:49 00:10 Jupiter 1.06388866382151 1.0638570685143 1.06392025914618 4.77681398469615 4.60712900280522 2444816.117038261 10.302820318384 1591.13496139938 206.873781476341 18.7249124524423 166960.994229753 T 41 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:40 2021-Apr-15 23:27
1988-Oct-03 20:57 00:14 Jupiter 1.2354465812601 1.23543924932059 1.23545391322159 3.46166362713278 3.25759336398375 2447438.373205881 13.5186808197137 488.428132505365 149.679309551247 53.5569883832446 412172.250782823 T 41 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:40 2021-Apr-15 23:27
1995-Nov-28 11:35 00:05 Jupiter 1.08877861341304 1.08876788033432 1.08878934649058 5.00455780629308 4.84661589474831 2450049.982782004 4.59531531883364 538.443585236378 276.599192338342 19.9482408601009 218536.338502157 T 41 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:40 2021-Apr-15 23:27
2042-May-04 14:04 00:14 Jupiter 0.0710035403359044 0.070996937908551 0.0710101431558195 5.11057142661725 1.50311042279745 2467009.086365670 13.8123287191295 903.488148160531 244.122836680275 27.1696406370772 88174.9433696872 T 41 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:40 2021-Apr-15 23:27
2046-Mar-09 12:24 02:51 Jupiter 1.1395126415915 1.13949513280468 1.13953014960343 1.62661829811586 1.07668339484188 2468414.016993948 171.30798403116 16684.1716507689 2335.1328375505 -11.471827477361 30915.2437206299 T 41 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:40 2021-Apr-15 23:27
2099-Nov-17 20:22 10:18 Jupiter 0.839868146928841 0.836207357999788 0.84352750058806 4.37174551880542 4.13462477214963 2488025.348341570 617.943952160705 173301.643976877 573.201851800692 -0.422975282923933 502.281582495529 T 41 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:40 2021-Apr-15 23:27

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1998.7   139P/1998 WG22       
 1941.0   139P/1939 TN       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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