******************************************************************************* JPL/HORIZONS 12P/Pons-Brooks 2024-May-20 13:21:27 Rec #:90000223 (+COV) Soln.date: 2024-May-14_12:51:15 # obs: 7843 (1953-2024) IAU76/J2000 helio. ecliptic osc. elements (au, days, deg., period=Julian yrs): EPOCH= 2460202.5 ! 2023-Sep-15.0000000 (TDB) RMSW= n.a. EC= .9545604021343332 QR= .780863418843884 TP= 2460421.6315025329 OM= 255.8551012302765 W= 198.9880403452053 IN= 74.1908513997041 A= 17.18464633319056 MA= 356.9682178436606 ADIST= 33.58842924753724 PER= 71.23921089090901 N= .013835446 ANGMOM= .021251693 DAN= 15.67299 DDN= .80218 L= 81.21052330000001 B= -18.243947 MOID= .181381 TP= 2024-Apr-21.1315025329 Comet physical (GM= km^3/s^2; RAD= km): GM= n.a. RAD= n.a. M1= 5. M2= 11. k1= 15. k2= 10. PHCOF= n.a. COMET comments 1: soln ref.= JPL#K242/63, data arc: 1953-06-20 to 2024-05-01 2: k1=15.0, k2=10.0; ******************************************************************************* ******************************************************************************* Ephemeris / WWW_USER Mon May 20 13:21:28 2024 Pasadena, USA / Horizons ******************************************************************************* Target body name: 12P/Pons-Brooks {source: JPL#K242/63} Center body name: Earth (399) {source: DE441} Center-site name: GEOCENTRIC ******************************************************************************* Start time : A.D. 2095-Aug-01 00:00:00.0000 UT Stop time : A.D. 2095-Aug-31 00:00:00.0000 UT Step-size : 180 minutes ******************************************************************************* Target pole/equ : undefined Target radii : undefined Center geodetic : 0.0, 0.0, -6378.137 {E-lon(deg),Lat(deg),Alt(km)} Center cylindric: 0.0, 0.0, 0.0 {E-lon(deg),Dxy(km),Dz(km)} Center pole/equ : ITRF93 {East-longitude positive} Center radii : 6378.137, 6378.137, 6356.752 km {Equator_a, b, pole_c} Target primary : Sun Vis. interferer : MOON (R_eq= 1737.400) km {source: DE441} Rel. light bend : Sun {source: DE441} Rel. lght bnd GM: 1.3271E+11 km^3/s^2 Small-body perts: Yes {source: SB441-N16} Atmos refraction: NO (AIRLESS) RA format : HMS Time format : CAL Calendar mode : Mixed Julian/Gregorian EOP file : eop.240517.p240810 EOP coverage : DATA-BASED 1962-JAN-20 TO 2024-MAY-17. PREDICTS-> 2024-AUG-09 Units conversion: 1 au= 149597870.700 km, c= 299792.458 km/s, 1 day= 86400.0 s Table cut-offs 1: Elevation (-90.0deg=NO ),Airmass (>38.000=NO), Daylight (NO ) Table cut-offs 2: Solar elongation ( 0.0,180.0=NO ),Local Hour Angle( 0.0=NO ) Table cut-offs 3: RA/DEC angular rate ( 0.0=NO ) ******************************************************************************* Initial IAU76/J2000 heliocentric ecliptic osculating elements (au, days, deg.): EPOCH= 2460202.5 ! 2023-Sep-15.0000000 (TDB) RMSW= n.a. EC= .9545604021343332 QR= .780863418843884 TP= 2460421.6315025329 OM= 255.8551012302765 W= 198.9880403452053 IN= 74.1908513997041 Equivalent ICRF heliocentric cartesian coordinates (au, au/d): X= 6.282248838029983E-01 Y=-2.169926855266044E+00 Z= 2.384688937518528E+00 VX=-1.323344654172063E-04 VY= 1.207649244975588E-02 VZ=-4.134149846123034E-03 Comet physical (GM= km^3/s^2; RAD= km): GM= n.a. RAD= n.a. M1= 5. M2= 11. k1= 15. k2= 10. PHCOF= n.a. ******************************************************************************* Date__(UT)__HR:MN r rdot ************************************************** $$SOE 2095-Aug-01 00:00 0.829315108666 -10.6025806 2095-Aug-01 03:00 0.828552489756 -10.5235326 2095-Aug-01 06:00 0.827795588841 -10.4441811 2095-Aug-01 09:00 0.827044427790 -10.3645272 2095-Aug-01 12:00 0.826299028396 -10.2845721 2095-Aug-01 15:00 0.825559412374 -10.2043166 2095-Aug-01 18:00 0.824825601361 -10.1237621 2095-Aug-01 21:00 0.824097616910 -10.0429096 2095-Aug-02 00:00 0.823375480488 -9.9617604 2095-Aug-02 03:00 0.822659213479 -9.8803156 2095-Aug-02 06:00 0.821948837174 -9.7985765 2095-Aug-02 09:00 0.821244372774 -9.7165444 2095-Aug-02 12:00 0.820545841387 -9.6342206 2095-Aug-02 15:00 0.819853264023 -9.5516064 2095-Aug-02 18:00 0.819166661595 -9.4687033 2095-Aug-02 21:00 0.818486054915 -9.3855126 2095-Aug-03 00:00 0.817811464690 -9.3020359 2095-Aug-03 03:00 0.817142911524 -9.2182744 2095-Aug-03 06:00 0.816480415912 -9.1342299 2095-Aug-03 09:00 0.815823998237 -9.0499038 2095-Aug-03 12:00 0.815173678773 -8.9652977 2095-Aug-03 15:00 0.814529477675 -8.8804132 2095-Aug-03 18:00 0.813891414984 -8.7952520 2095-Aug-03 21:00 0.813259510618 -8.7098157 2095-Aug-04 00:00 0.812633784376 -8.6241060 2095-Aug-04 03:00 0.812014255930 -8.5381247 2095-Aug-04 06:00 0.811400944826 -8.4518736 2095-Aug-04 09:00 0.810793870481 -8.3653544 2095-Aug-04 12:00 0.810193052180 -8.2785690 2095-Aug-04 15:00 0.809598509074 -8.1915193 2095-Aug-04 18:00 0.809010260178 -8.1042072 2095-Aug-04 21:00 0.808428324367 -8.0166346 2095-Aug-05 00:00 0.807852720376 -7.9288035 2095-Aug-05 03:00 0.807283466796 -7.8407159 2095-Aug-05 06:00 0.806720582072 -7.7523738 2095-Aug-05 09:00 0.806164084502 -7.6637793 2095-Aug-05 12:00 0.805613992232 -7.5749345 2095-Aug-05 15:00 0.805070323255 -7.4858415 2095-Aug-05 18:00 0.804533095409 -7.3965026 2095-Aug-05 21:00 0.804002326375 -7.3069198 2095-Aug-06 00:00 0.803478033674 -7.2170955 2095-Aug-06 03:00 0.802960234664 -7.1270319 2095-Aug-06 06:00 0.802448946539 -7.0367312 2095-Aug-06 09:00 0.801944186327 -6.9461959 2095-Aug-06 12:00 0.801445970885 -6.8554282 2095-Aug-06 15:00 0.800954316900 -6.7644306 2095-Aug-06 18:00 0.800469240886 -6.6732055 2095-Aug-06 21:00 0.799990759179 -6.5817553 2095-Aug-07 00:00 0.799518887938 -6.4900825 2095-Aug-07 03:00 0.799053643142 -6.3981897 2095-Aug-07 06:00 0.798595040587 -6.3060793 2095-Aug-07 09:00 0.798143095886 -6.2137540 2095-Aug-07 12:00 0.797697824461 -6.1212163 2095-Aug-07 15:00 0.797259241550 -6.0284689 2095-Aug-07 18:00 0.796827362196 -5.9355144 2095-Aug-07 21:00 0.796402201250 -5.8423556 2095-Aug-08 00:00 0.795983773368 -5.7489951 2095-Aug-08 03:00 0.795572093008 -5.6554358 2095-Aug-08 06:00 0.795167174429 -5.5616803 2095-Aug-08 09:00 0.794769031687 -5.4677315 2095-Aug-08 12:00 0.794377678635 -5.3735922 2095-Aug-08 15:00 0.793993128922 -5.2792654 2095-Aug-08 18:00 0.793615395987 -5.1847538 2095-Aug-08 21:00 0.793244493060 -5.0900603 2095-Aug-09 00:00 0.792880433161 -4.9951881 2095-Aug-09 03:00 0.792523229094 -4.9001399 2095-Aug-09 06:00 0.792172893450 -4.8049188 2095-Aug-09 09:00 0.791829438602 -4.7095279 2095-Aug-09 12:00 0.791492876703 -4.6139701 2095-Aug-09 15:00 0.791163219687 -4.5182485 2095-Aug-09 18:00 0.790840479263 -4.4223663 2095-Aug-09 21:00 0.790524666918 -4.3263265 2095-Aug-10 00:00 0.790215793912 -4.2301324 2095-Aug-10 03:00 0.789913871276 -4.1337869 2095-Aug-10 06:00 0.789618909814 -4.0372935 2095-Aug-10 09:00 0.789330920097 -3.9406552 2095-Aug-10 12:00 0.789049912463 -3.8438753 2095-Aug-10 15:00 0.788775897017 -3.7469570 2095-Aug-10 18:00 0.788508883628 -3.6499037 2095-Aug-10 21:00 0.788248881928 -3.5527186 2095-Aug-11 00:00 0.787995901307 -3.4554051 2095-Aug-11 03:00 0.787749950919 -3.3579664 2095-Aug-11 06:00 0.787511039674 -3.2604060 2095-Aug-11 09:00 0.787279176239 -3.1627272 2095-Aug-11 12:00 0.787054369038 -3.0649334 2095-Aug-11 15:00 0.786836626247 -2.9670280 2095-Aug-11 18:00 0.786625955796 -2.8690145 2095-Aug-11 21:00 0.786422365367 -2.7708963 2095-Aug-12 00:00 0.786225862394 -2.6726769 2095-Aug-12 03:00 0.786036454056 -2.5743597 2095-Aug-12 06:00 0.785854147286 -2.4759482 2095-Aug-12 09:00 0.785678948759 -2.3774460 2095-Aug-12 12:00 0.785510864898 -2.2788565 2095-Aug-12 15:00 0.785349901873 -2.1801834 2095-Aug-12 18:00 0.785196065595 -2.0814301 2095-Aug-12 21:00 0.785049361720 -1.9826002 2095-Aug-13 00:00 0.784909795646 -1.8836973 2095-Aug-13 03:00 0.784777372511 -1.7847250 2095-Aug-13 06:00 0.784652097197 -1.6856869 2095-Aug-13 09:00 0.784533974321 -1.5865866 2095-Aug-13 12:00 0.784423008244 -1.4874277 2095-Aug-13 15:00 0.784319203061 -1.3882139 2095-Aug-13 18:00 0.784222562608 -1.2889487 2095-Aug-13 21:00 0.784133090455 -1.1896358 2095-Aug-14 00:00 0.784050789913 -1.0902790 2095-Aug-14 03:00 0.783975664024 -0.9908817 2095-Aug-14 06:00 0.783907715568 -0.8914478 2095-Aug-14 09:00 0.783846947060 -0.7919808 2095-Aug-14 12:00 0.783793360751 -0.6924845 2095-Aug-14 15:00 0.783746958622 -0.5929625 2095-Aug-14 18:00 0.783707742393 -0.4934185 2095-Aug-14 21:00 0.783675713514 -0.3938563 2095-Aug-15 00:00 0.783650873170 -0.2942794 2095-Aug-15 03:00 0.783633222279 -0.1946917 2095-Aug-15 06:00 0.783622761493 -0.0950967 2095-Aug-15 09:00 0.783619491196 0.0045018 2095-Aug-15 12:00 0.783623411504 0.1041000 2095-Aug-15 15:00 0.783634522267 0.2036944 2095-Aug-15 18:00 0.783652823069 0.3032812 2095-Aug-15 21:00 0.783678313226 0.4028567 2095-Aug-16 00:00 0.783710991787 0.5024172 2095-Aug-16 03:00 0.783750857533 0.6019590 2095-Aug-16 06:00 0.783797908982 0.7014785 2095-Aug-16 09:00 0.783852144382 0.8009719 2095-Aug-16 12:00 0.783913561717 0.9004356 2095-Aug-16 15:00 0.783982158705 0.9998659 2095-Aug-16 18:00 0.784057932798 1.0992590 2095-Aug-16 21:00 0.784140881185 1.1986115 2095-Aug-17 00:00 0.784231000787 1.2979195 2095-Aug-17 03:00 0.784328288266 1.3971795 2095-Aug-17 06:00 0.784432740015 1.4963877 2095-Aug-17 09:00 0.784544352169 1.5955407 2095-Aug-17 12:00 0.784663120599 1.6946346 2095-Aug-17 15:00 0.784789040912 1.7936660 2095-Aug-17 18:00 0.784922108458 1.8926312 2095-Aug-17 21:00 0.785062318325 1.9915266 2095-Aug-18 00:00 0.785209665341 2.0903486 2095-Aug-18 03:00 0.785364144078 2.1890936 2095-Aug-18 06:00 0.785525748847 2.2877582 2095-Aug-18 09:00 0.785694473705 2.3863386 2095-Aug-18 12:00 0.785870312453 2.4848315 2095-Aug-18 15:00 0.786053258634 2.5832333 2095-Aug-18 18:00 0.786243305542 2.6815404 2095-Aug-18 21:00 0.786440446214 2.7797494 2095-Aug-19 00:00 0.786644673439 2.8778568 2095-Aug-19 03:00 0.786855979752 2.9758591 2095-Aug-19 06:00 0.787074357441 3.0737530 2095-Aug-19 09:00 0.787299798545 3.1715349 2095-Aug-19 12:00 0.787532294857 3.2692014 2095-Aug-19 15:00 0.787771837924 3.3667493 2095-Aug-19 18:00 0.788018419048 3.4641750 2095-Aug-19 21:00 0.788272029288 3.5614752 2095-Aug-20 00:00 0.788532659462 3.6586467 2095-Aug-20 03:00 0.788800300149 3.7556860 2095-Aug-20 06:00 0.789074941688 3.8525899 2095-Aug-20 09:00 0.789356574180 3.9493551 2095-Aug-20 12:00 0.789645187492 4.0459784 2095-Aug-20 15:00 0.789940771256 4.1424565 2095-Aug-20 18:00 0.790243314873 4.2387862 2095-Aug-20 21:00 0.790552807510 4.3349644 2095-Aug-21 00:00 0.790869238107 4.4309878 2095-Aug-21 03:00 0.791192595376 4.5268534 2095-Aug-21 06:00 0.791522867803 4.6225579 2095-Aug-21 09:00 0.791860043649 4.7180984 2095-Aug-21 12:00 0.792204110955 4.8134717 2095-Aug-21 15:00 0.792555057539 4.9086748 2095-Aug-21 18:00 0.792912871001 5.0037047 2095-Aug-21 21:00 0.793277538723 5.0985584 2095-Aug-22 00:00 0.793649047874 5.1932330 2095-Aug-22 03:00 0.794027385408 5.2877254 2095-Aug-22 06:00 0.794412538069 5.3820328 2095-Aug-22 09:00 0.794804492390 5.4761522 2095-Aug-22 12:00 0.795203234698 5.5700810 2095-Aug-22 15:00 0.795608751114 5.6638161 2095-Aug-22 18:00 0.796021027556 5.7573548 2095-Aug-22 21:00 0.796440049740 5.8506943 2095-Aug-23 00:00 0.796865803182 5.9438319 2095-Aug-23 03:00 0.797298273204 6.0367648 2095-Aug-23 06:00 0.797737444928 6.1294904 2095-Aug-23 09:00 0.798183303288 6.2220060 2095-Aug-23 12:00 0.798635833022 6.3143090 2095-Aug-23 15:00 0.799095018683 6.4063968 2095-Aug-23 18:00 0.799560844636 6.4982668 2095-Aug-23 21:00 0.800033295061 6.5899164 2095-Aug-24 00:00 0.800512353957 6.6813432 2095-Aug-24 03:00 0.800998005142 6.7725447 2095-Aug-24 06:00 0.801490232256 6.8635184 2095-Aug-24 09:00 0.801989018764 6.9542619 2095-Aug-24 12:00 0.802494347958 7.0447728 2095-Aug-24 15:00 0.803006202957 7.1350488 2095-Aug-24 18:00 0.803524566713 7.2250876 2095-Aug-24 21:00 0.804049422011 7.3148868 2095-Aug-25 00:00 0.804580751472 7.4044442 2095-Aug-25 03:00 0.805118537554 7.4937576 2095-Aug-25 06:00 0.805662762556 7.5828248 2095-Aug-25 09:00 0.806213408620 7.6716436 2095-Aug-25 12:00 0.806770457734 7.7602119 2095-Aug-25 15:00 0.807333891730 7.8485275 2095-Aug-25 18:00 0.807903692292 7.9365885 2095-Aug-25 21:00 0.808479840957 8.0243927 2095-Aug-26 00:00 0.809062319115 8.1119383 2095-Aug-26 03:00 0.809651108012 8.1992232 2095-Aug-26 06:00 0.810246188755 8.2862454 2095-Aug-26 09:00 0.810847542311 8.3730031 2095-Aug-26 12:00 0.811455149512 8.4594945 2095-Aug-26 15:00 0.812068991055 8.5457176 2095-Aug-26 18:00 0.812689047506 8.6316707 2095-Aug-26 21:00 0.813315299304 8.7173520 2095-Aug-27 00:00 0.813947726757 8.8027597 2095-Aug-27 03:00 0.814586310053 8.8878923 2095-Aug-27 06:00 0.815231029256 8.9727479 2095-Aug-27 09:00 0.815881864312 9.0573249 2095-Aug-27 12:00 0.816538795047 9.1416218 2095-Aug-27 15:00 0.817201801175 9.2256370 2095-Aug-27 18:00 0.817870862297 9.3093688 2095-Aug-27 21:00 0.818545957902 9.3928159 2095-Aug-28 00:00 0.819227067375 9.4759768 2095-Aug-28 03:00 0.819914169993 9.5588500 2095-Aug-28 06:00 0.820607244931 9.6414340 2095-Aug-28 09:00 0.821306271262 9.7237276 2095-Aug-28 12:00 0.822011227963 9.8057293 2095-Aug-28 15:00 0.822722093913 9.8874379 2095-Aug-28 18:00 0.823438847900 9.9688521 2095-Aug-28 21:00 0.824161468618 10.0499706 2095-Aug-29 00:00 0.824889934674 10.1307922 2095-Aug-29 03:00 0.825624224586 10.2113158 2095-Aug-29 06:00 0.826364316792 10.2915401 2095-Aug-29 09:00 0.827110189642 10.3714641 2095-Aug-29 12:00 0.827861821413 10.4510866 2095-Aug-29 15:00 0.828619190298 10.5304067 2095-Aug-29 18:00 0.829382274421 10.6094233 2095-Aug-29 21:00 0.830151051827 10.6881353 2095-Aug-30 00:00 0.830925500495 10.7665419 2095-Aug-30 03:00 0.831705598333 10.8446421 2095-Aug-30 06:00 0.832491323184 10.9224349 2095-Aug-30 09:00 0.833282652826 10.9999196 2095-Aug-30 12:00 0.834079564976 11.0770952 2095-Aug-30 15:00 0.834882037292 11.1539611 2095-Aug-30 18:00 0.835690047371 11.2305163 2095-Aug-30 21:00 0.836503572760 11.3067601 2095-Aug-31 00:00 0.837322590948 11.3826919 $$EOE ******************************************************************************* Column meaning: TIME Times PRIOR to 1962 are UT1, a mean-solar time closely related to the prior but now-deprecated GMT. Times AFTER 1962 are in UTC, the current civil or "wall-clock" time-scale. UTC is kept within 0.9 seconds of UT1 using integer leap-seconds for 1972 and later years. Conversion from the internal Barycentric Dynamical Time (TDB) of solar system dynamics to the non-uniform civil UT time-scale requested for output has not been determined for UTC times after the next July or January 1st. Therefore, the last known leap-second is used as a constant over future intervals. Time tags refer to the UT time-scale conversion from TDB on Earth regardless of observer location within the solar system, although clock rates may differ due to the local gravity field and no analog to "UT" may be defined for that location. Any 'b' symbol in the 1st-column denotes a B.C. date. First-column blank (" ") denotes an A.D. date. CALENDAR SYSTEM Mixed calendar mode was active such that calendar dates after AD 1582-Oct-15 (if any) are in the modern Gregorian system. Dates prior to 1582-Oct-5 (if any) are in the Julian calendar system, which is automatically extended for dates prior to its adoption on 45-Jan-1 BC. The Julian calendar is useful for matching historical dates. The Gregorian calendar more accurately corresponds to the Earth's orbital motion and seasons. A "Gregorian-only" calendar mode is available if such physical events are the primary interest. NOTE: "n.a." in output means quantity "not available" at the print-time. 'r rdot' = The Sun's apparent range ("r", light-time aberrated) and range-rate ("rdot") relative to the target center, as seen by the observer. A positive "rdot" means the target center was moving away from the Sun, negative means moving toward the Sun. Units: AU and KM/S Computations by ... Solar System Dynamics Group, Horizons On-Line Ephemeris System 4800 Oak Grove Drive, Jet Propulsion Laboratory Pasadena, CA 91109 USA General site: https://ssd.jpl.nasa.gov/ Mailing list: https://ssd.jpl.nasa.gov/email_list.html System news : https://ssd.jpl.nasa.gov/horizons/news.html User Guide : https://ssd.jpl.nasa.gov/horizons/manual.html Connect : browser https://ssd.jpl.nasa.gov/horizons/app.html#/x API https://ssd-api.jpl.nasa.gov/doc/horizons.html command-line telnet ssd.jpl.nasa.gov 6775 e-mail/batch https://ssd.jpl.nasa.gov/ftp/ssd/hrzn_batch.txt scripts https://ssd.jpl.nasa.gov/ftp/ssd/SCRIPTS Author : Jon.D.Giorgini@jpl.nasa.gov ******************************************************************************* !$$SOF COMMAND = 'DES=12P;CAP' QUANTITIES = '19' START_TIME = '2095-Aug-01' STEP_SIZE = '3 hours' STOP_TIME = '2095-Aug-31'