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98P/Takamizawa
Classification: Jupiter-family Comet          SPK-ID: 1000091
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2456717.5 (2014-Mar-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5605977808221723 1.3101e-07  
a 3.808319341400365 1.6104e-07 AU
q 1.673383969949164 5.3823e-07 AU
i 10.54421204182212 1.0484e-05 deg
node 114.7417165616202 5.0075e-05 deg
peri 157.8742443878394 9.645e-05 deg
M 27.5372541598409 2.1425e-05 deg
tp 2456509.857333809695
(2013-Aug-05.35733381)
0.00015722 JED
period 2714.553869264272
7.43
0.00017218
4.714e-07
d
yr
n .1326184770455748 8.412e-09 deg/d
Q 5.943254712851567 2.5132e-07 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 4.481930143048554E-9 1.18E-10
A2 [EST] 4.240353860189232E-10 8.515E-13
  Orbit Determination Parameters
   # obs. used (total)      682  
   data-arc span      10752 days (29.44 yr)  
   first obs. used      1984-07-06  
   last obs. used      2013-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .84313  
   data source      ORB  
   producer      Ryan S. Park  
   solution date      2014-Feb-19 14:43:06  

Additional Information
 Earth MOID = .660877 AU 
 T_jup = 2.759 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 14.3 mag 1. 15 2 parameter fit from 175 observations, autocmod 2.5c
comet total magnitude slope K1 10.   n/a 15 autocmod 2.5c
diameter diameter 5.4 km n/a Scotti,J (1994) BAAS 26:1375  

98P/Takamizawa          Discovered 1984-Jul-30 by Takamizawa at Tokyo Astronomical Observatory
Reference: comet.disLast Updated: 2003-08-29

[ 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
1920-Dec-18 16:13 00:17 Sylvi 0.030214818962624 0.0301175737255172 0.0303146064278848 10.0153842498506 10.0153842279819 2422677.175593753 17.0623248627927 14769.3735940003 613.222530943149 70.7136511338571 6957.34671498165 T 15 CATAB v2.0c-linF95 2014-Feb-19 14:52:02 2014-Feb-19 14:52
1931-Jun-04 15:23 00:11 Jupiter 0.361413171265091 0.36137124344702 0.36145510036253 6.28258682086965 5.89776367156002 2426497.140650410 10.7492294581711 182.914702980698 69.6753853874635 -1.7488195453572 30769.6675870511 T 15 CATAB v2.0c-linF95 2014-Feb-19 14:52:02 2014-Feb-19 14:52
1966-Jan-16 00:14 00:15 Jupiter 0.876083595538015 0.876074266634474 0.876092924882064 5.43223704446311 5.25124199340437 2439141.509437428 14.9716594839085 111.182189246576 11.5166165172215 60.1811344876211 894020.413681462 T 15 CATAB v2.0c-linF95 2014-Feb-19 14:52:02 2014-Feb-19 14:52
2000-Nov-04 15:34 00:02 Jupiter 0.654567406807665 0.654563474448704 0.654571339255605 6.6861564060082 6.48973419562069 2451853.148509260 1.60688718594423 61.9410596468595 10.0389418160533 57.6907293188536 919397.030488319 T 15 CATAB v2.0c-linF95 2014-Feb-19 14:52:02 2014-Feb-19 14:52
2026-Apr-17 21:04 00:02 Jupiter 0.363649981343808 0.363625856796669 0.363674105621123 7.8761924108427 7.57469190848832 2461148.377971234 1.59811891158419 166.640025612755 16.6788478017565 5.29760253022677 55382.5106532201 T 15 CATAB v2.0c-linF95 2014-Feb-19 14:52:02 2014-Feb-19 14:52
2036-Oct-11 17:36 00:03 Jupiter 1.02429894870199 1.02419628602153 1.02440160874693 8.71285479433017 8.61742308620521 2464978.233385497 3.47797676616458 1136.84949237018 24.7061785248152 24.135172121101 365352.371452315 T 15 CATAB v2.0c-linF95 2014-Feb-19 14:52:02 2014-Feb-19 14:52
2073-Feb-25 04:02 00:33 Jupiter 0.631206526204926 0.631161017423668 0.631252040907492 5.66176348739939 5.41957057897994 2478263.667979868 32.5483395101824 298.531504380079 21.3664662420031 56.0355314253472 344675.373834592 T 15 CATAB v2.0c-linF95 2014-Feb-19 14:52:02 2014-Feb-19 14:52
2109-Apr-12 23:01 00:10 Jupiter 0.348444314343248 0.34822564936609 0.348662955141911 7.7621263478378 7.4423697331918 2491458.459032488 9.81065964368128 1520.90874498725 79.2776237688802 -9.51713351548466 13888.0556852064 T 15 CATAB v2.0c-linF95 2014-Feb-19 14:52:02 2014-Feb-19 14:52
2120-Feb-18 08:10 01:29 Jupiter 0.405245362059005 0.4052442477254 0.405246077756357 6.17078243232405 5.82222132401584 2495421.840153683 88.8182892148531 2489.21359451379 132.816916011144 87.316064878058 46559.7097730658 T 15 CATAB v2.0c-linF95 2014-Feb-19 14:52:02 2014-Feb-19 14:52
2131-Nov-25 11:41 02:19 Jupiter 1.83245509608836 1.82906462177183 1.83584097850585 11.2291866564316 11.1879473339303 2499719.986574131 138.929600737894 50840.2100611353 154.814492656281 9.10355065985786 51549.8006795143 T 15 CATAB v2.0c-linF95 2014-Feb-19 14:52:02 2014-Feb-19 14:52
2180-Apr-25 15:25 01:18 Jupiter 0.80306502444553 0.797811946723859 0.808305157253812 8.66746809455099 8.54491245528084 2517404.142286182 77.5706928109318 50473.1244867886 231.333021629523 -16.0625967497363 20428.2198671302 T 15 CATAB v2.0c-linF95 2014-Feb-19 14:52:02 2014-Feb-19 14:52
2188-Jun-29 04:53 00:07 Earth 0.3416130530507 0.337640268164336 0.345599965211331 9.31624484492085 9.31540759228864 2520390.703271604 6.97778618924676 171669.478256912 1467.0645022172 32.0780364489847 11863.0245058523 T 15 CATAB v2.0c-linF95 2014-Feb-19 14:52:02 2014-Feb-19 14:52
2191-Nov-06 04:46 02:04 Jupiter 0.27371497863841 0.273096770428264 0.274336767935305 6.35230363870656 5.844884719479 2521615.698693342 123.961721097176 5521.3749564002 132.494909371513 60.5265464627779 28071.1591250509 T 15 CATAB v2.0c-linF95 2014-Feb-19 14:52:02 2014-Feb-19 14:52
2194-Jun-25 21:06 02:13 Earth 0.334710643168947 0.332375608562681 0.337134055260182 7.2412906538782 7.24019124352005 2522578.379146017 132.732757447687 173719.410793898 2487.60199012826 -61.5446125586593 9640.94588500719 T 15 CATAB v2.0c-linF95 2014-Feb-19 14:52:02 2014-Feb-19 14:52
2200-Dec-25 15:50 17:16 Mars 0.0627811018165133 0.0568091871696129 0.0714408491150951 10.4562898367952 10.4558537140896 2524952.159648894 1036.41858101992 681716.170737006 987.942424116067 59.4633167176022 7382.45924592937 T 15 CATAB v2.0c-linF95 2014-Feb-19 14:52:02 2014-Feb-19 14:52

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1991.3   98P/1991 D1   1991 XIII   1991h 
 1983.9   98P/1984 O1   1984 VII   1984j 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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