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398P/Boattini (2009 Q4)
Classification: Jupiter-family Comet          SPK-ID: 1003034
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.


:
Orbital Elements at Epoch 2457277.5 (2015-Sep-12.0) TDB
Reference: JPL K203/1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5800840555922504 2.7687e-07  
a 3.136270669100871 2.1027e-06 au
q 1.316970059933817 2.0709e-07 au
i 10.98066781019765 7.6772e-06 deg
node 127.5968752769021 3.4902e-05 deg
peri 320.1312021672604 6.8074e-05 deg
M 16.11562916250459 0.00045023 deg
tp 2457186.683764405233
(2015-Jun-13.18376441)
0.0026229 TDB
period 2028.704215295747
5.55
0.0020402
5.586e-06
d
yr
n .1774531729592324 1.7846e-07 deg/d
Q 4.955571278267925 3.3225e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.70102161505191E-9 1.095E-10
A2 [EST] 1.638960409673256E-9 4.84E-11
A3 [EST] 9.040023248129997E-10 4.499E-11
  Orbit Determination Parameters
   # obs. used (total)      1705  
   data-arc span      4150 days (11.36 yr)  
   first obs. used      2009-08-26  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .80033  
   source      ORB  
   producer      Shantanu Naidu  
   solution date      2021-Jan-21 12:11:57  

Additional Information
 Earth MOID = .356098 au 
 Jupiter MOID = .600948 au 
 T_jup = 2.901 
[ 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 15.2   0.8 K203/1 2 parameter fit from 938 observations, autocmod 2.8
comet total magnitude slope K1 11.   n/a K203/1 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
1900-Aug-03 07:34 19:38 Jupiter 1.13426765646837 1.12088831449051 1.14770951699156 7.11630172137061 7.01058027775286 2415234.815346444 1178.1186695418 791276.874162492 1159.2718327713 -33.8268695319991 60339.5520036124 T K203/1 CATAB v2.0f-lin.ifort 2021-Jan-21 12:22:01 2021-Jan-21 12:22
1972-Sep-14 14:39 10:25 Jupiter 0.720532696299622 0.715152623368324 0.72597231680096 5.33752702544978 5.1125428019446 2441575.110562760 624.651339787346 429131.11901948 573.218690135382 -53.777352597379 119869.577099866 T K203/1 CATAB v2.0f-lin.ifort 2021-Jan-21 12:22:01 2021-Jan-21 12:22
1984-Jun-17 22:37 10:22 Jupiter 0.554486772033646 0.5544508986923 0.55452412472082 4.55904463213305 4.21066851641875 2445869.442637517 621.561114086751 48375.8301866018 377.875176346392 83.8969893230927 175725.013624007 T K203/1 CATAB v2.0f-lin.ifort 2021-Jan-21 12:22:01 2021-Jan-21 12:22
1996-Jun-07 00:23 01:12 Jupiter 0.599419360684182 0.599342765877728 0.59949607112406 5.12310356581936 4.83942628936452 2450241.516311680 72.0806483289271 14091.5402295516 236.359955538251 -77.9122866297318 217817.549938846 T K203/1 CATAB v2.0f-lin.ifort 2021-Jan-21 12:22:01 2021-Jan-21 12:22
2008-Feb-29 19:14 00:09 Jupiter 1.54578102356549 1.54576011952378 1.54580192771449 8.48487461255046 8.42004643207116 2454526.301689819 8.95186504930684 1232.00420901864 206.469361663745 -35.0019875419869 510899.097303788 T K203/1 CATAB v2.0f-lin.ifort 2021-Jan-21 12:22:01 2021-Jan-21 12:22
2020-Dec-22 19:37 < 00:01 Earth 0.375426571977302 0.375425065382212 0.375428078578687 6.17811957773175 6.17697070632401 2459206.317439557 0.369545974009966 125.353560267184 48.4806727642421 -60.218284126232 672505.917939034 T K203/1 CATAB v2.0f-lin.ifort 2021-Jan-21 12:22:01 2021-Jan-21 12:22
2067-Feb-02 18:59 03:14 Jupiter 1.69139298008892 1.68819705816117 1.69459041160337 8.61597602845904 8.55765592636891 2476049.291199788 193.743655674464 178331.157645228 897.618655981924 -27.8374379185016 97208.7823874169 T K203/1 CATAB v2.0f-lin.ifort 2021-Jan-21 12:22:01 2021-Jan-21 12:22
2079-Jan-13 21:36 20:41 Jupiter 0.762879285768753 0.760778051556884 0.764984266075307 5.03171244390701 4.80598962676975 2480412.400032511 1240.51697272892 135747.79734456 791.495850807948 -43.6769742299398 156709.11680079 T K203/1 CATAB v2.0f-lin.ifort 2021-Jan-21 12:22:01 2021-Jan-21 12:22
2091-Feb-02 11:55 1_08:47 Jupiter 0.596213597857761 0.593826208565567 0.598600923030491 4.63307205288806 4.31555529530969 2484814.996704871 1966.80887442897 118377.366650511 464.736724546209 -14.279975548874 57155.245612325 T K203/1 CATAB v2.0f-lin.ifort 2021-Jan-21 12:22:01 2021-Jan-21 12:22
2102-Sep-08 02:28 20:38 Jupiter 1.19920487498818 1.19321992797815 1.20520562587509 6.2728053363802 6.15917580312487 2489049.602903319 1238.44256851625 370528.486394799 1029.69486496641 -38.4913818550124 59783.0142340575 T K203/1 CATAB v2.0f-lin.ifort 2021-Jan-21 12:22:01 2021-Jan-21 12:22
2174-Apr-21 12:29 04:04 Jupiter 1.61335187542514 1.61242980078131 1.61427459785334 8.31187365977303 8.24846821487083 2515208.020067770 243.964805293198 70203.5383621207 11903.9823853809 51.2692249221088 10641.0210553019 T K203/1 CATAB v2.0f-lin.ifort 2021-Jan-21 12:22:01 2021-Jan-21 12:22
2186-May-01 11:42 07:12 Jupiter 0.414859133539213 0.413612618337425 0.416105665757261 5.29004960130245 4.88888560899331 2519600.987404867 431.853483567073 62122.0326824942 2233.90166224693 -21.8416816773867 8676.67695903333 T K203/1 CATAB v2.0f-lin.ifort 2021-Jan-21 12:22:01 2021-Jan-21 12:22
2198-Mar-15 08:04 03:11 Jupiter 0.858096632381452 0.851988961107124 0.86420232487724 6.38276610949154 6.22619579623568 2523936.836402583 191.259495681767 297225.530979196 6893.85395227623 3.39587256935751 697.916470863514 T K203/1 CATAB v2.0f-lin.ifort 2021-Jan-21 12:22:01 2021-Jan-21 12:22

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2021.0   398P/2020 P2       
 2009.9   398P/2009 Q4       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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