******************************************************************************* JPL/HORIZONS 29P/Schwassmann-Wachmann 1 2025-Dec-12 18:03:59 Rec #:90000393 (+COV) Soln.date: 2005-Jan-26_14:50:15 # obs: 1590 (1902-1997) IAU76/J2000 helio. ecliptic osc. elements (au, days, deg., period=Julian yrs): EPOCH= 2442080.5 ! 1974-Feb-02.0000000 (TDB) RMSW= n.a. EC= .1054282056184584 QR= 5.447853577050036 TP= 2442093.822099044 OM= 320.3566972775236 W= 14.44544861187592 IN= 9.752211212320441 A= 6.089900901488165 MA= 359.1263018952404 ADIST= 6.731948225926295 PER= 15.028773549904 N= .065582616 ANGMOM= .042214284 DAN= 5.46433 DDN= 6.70696 L= 334.6019571 B= 2.4217597 MOID= 4.43886995 TP= 1974-Feb-15.3220990440 Comet physical (GM= km^3/s^2; RAD= km): GM= n.a. RAD= 30.2 M1= 10.1 M2= n.a. k1= 4.5 k2= n.a. PHCOF= n.a. COMET comments 1: soln ref.= JPL#J896/2, data arc: 1902-03-05 to 1997-03-04 2: k1=4.5; ******************************************************************************* ******************************************************************************* Ephemeris / WWW_USER Fri Dec 12 18:03:59 2025 Pasadena, USA / Horizons ******************************************************************************* Target body name: 29P/Schwassmann-Wachmann 1 {source: JPL#J896/2} Center body name: Earth (399) {source: DE441} Center-site name: GEOCENTRIC ******************************************************************************* Start time : A.D. 2035-Feb-10 00:00:00.0000 UT Stop time : A.D. 2035-Mar-01 00:00:00.0000 UT Step-size : 180 minutes ******************************************************************************* Target pole/equ : undefined Target radii : 30.2 km 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.251212.p260310 EOP coverage : DATA-BASED 1962-JAN-20 TO 2025-DEC-12. PREDICTS-> 2026-MAR-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= 2442080.5 ! 1974-Feb-02.0000000 (TDB) RMSW= n.a. EC= .1054282056184584 QR= 5.447853577050036 TP= 2442093.822099044 OM= 320.3566972775236 W= 14.44544861187592 IN= 9.752211212320441 Equivalent ICRF heliocentric cartesian coordinates (au, au/d): X= 4.873098460324140E+00 Y=-2.311025298782308E+00 Z=-7.695442645971294E-01 VX= 3.349179710573981E-03 VY= 5.795266257832148E-03 VZ= 3.903818719584434E-03 Comet physical (GM= km^3/s^2; RAD= km): GM= n.a. RAD= 30.2 M1= 10.1 M2= n.a. k1= 4.5 k2= n.a. PHCOF= n.a. ******************************************************************************* Date__(UT)__HR:MN r rdot VmagSn VmagOb *************************************************************************** $$SOE 2035-Feb-10 00:00 5.708099207675 -0.0031846 12.6785865 36.6828111 2035-Feb-10 03:00 5.708098979495 -0.0031373 12.6785719 36.7018864 2035-Feb-10 06:00 5.708098754731 -0.0030899 12.6785572 36.7209242 2035-Feb-10 09:00 5.708098533383 -0.0030426 12.6785425 36.7399244 2035-Feb-10 12:00 5.708098315452 -0.0029953 12.6785279 36.7588870 2035-Feb-10 15:00 5.708098100935 -0.0029480 12.6785132 36.7778119 2035-Feb-10 18:00 5.708097889834 -0.0029007 12.6784985 36.7966990 2035-Feb-10 21:00 5.708097682147 -0.0028534 12.6784838 36.8155483 2035-Feb-11 00:00 5.708097477873 -0.0028061 12.6784692 36.8343597 2035-Feb-11 03:00 5.708097277012 -0.0027588 12.6784545 36.8531332 2035-Feb-11 06:00 5.708097079564 -0.0027116 12.6784398 36.8718688 2035-Feb-11 09:00 5.708096885529 -0.0026643 12.6784251 36.8905665 2035-Feb-11 12:00 5.708096694904 -0.0026170 12.6784104 36.9092263 2035-Feb-11 15:00 5.708096507691 -0.0025698 12.6783957 36.9278481 2035-Feb-11 18:00 5.708096323889 -0.0025226 12.6783810 36.9464320 2035-Feb-11 21:00 5.708096143496 -0.0024753 12.6783662 36.9649779 2035-Feb-12 00:00 5.708095966513 -0.0024281 12.6783515 36.9834861 2035-Feb-12 03:00 5.708095792938 -0.0023809 12.6783368 37.0019563 2035-Feb-12 06:00 5.708095622773 -0.0023337 12.6783221 37.0203888 2035-Feb-12 09:00 5.708095456014 -0.0022865 12.6783073 37.0387836 2035-Feb-12 12:00 5.708095292664 -0.0022393 12.6782926 37.0571407 2035-Feb-12 15:00 5.708095132720 -0.0021921 12.6782778 37.0754602 2035-Feb-12 18:00 5.708094976182 -0.0021449 12.6782631 37.0937422 2035-Feb-12 21:00 5.708094823050 -0.0020977 12.6782483 37.1119867 2035-Feb-13 00:00 5.708094673323 -0.0020505 12.6782336 37.1301940 2035-Feb-13 03:00 5.708094527000 -0.0020034 12.6782188 37.1483640 2035-Feb-13 06:00 5.708094384082 -0.0019562 12.6782041 37.1664969 2035-Feb-13 09:00 5.708094244568 -0.0019091 12.6781893 37.1845929 2035-Feb-13 12:00 5.708094108456 -0.0018619 12.6781745 37.2026520 2035-Feb-13 15:00 5.708093975747 -0.0018148 12.6781597 37.2206744 2035-Feb-13 18:00 5.708093846440 -0.0017677 12.6781449 37.2386603 2035-Feb-13 21:00 5.708093720534 -0.0017206 12.6781302 37.2566098 2035-Feb-14 00:00 5.708093598029 -0.0016735 12.6781154 37.2745231 2035-Feb-14 03:00 5.708093478924 -0.0016264 12.6781006 37.2924003 2035-Feb-14 06:00 5.708093363219 -0.0015793 12.6780858 37.3102416 2035-Feb-14 09:00 5.708093250913 -0.0015322 12.6780710 37.3280473 2035-Feb-14 12:00 5.708093142006 -0.0014851 12.6780561 37.3458175 2035-Feb-14 15:00 5.708093036497 -0.0014381 12.6780413 37.3635524 2035-Feb-14 18:00 5.708092934386 -0.0013910 12.6780265 37.3812523 2035-Feb-14 21:00 5.708092835672 -0.0013439 12.6780117 37.3989173 2035-Feb-15 00:00 5.708092740354 -0.0012969 12.6779969 37.4165478 2035-Feb-15 03:00 5.708092648433 -0.0012498 12.6779820 37.4341438 2035-Feb-15 06:00 5.708092559906 -0.0012028 12.6779672 37.4517057 2035-Feb-15 09:00 5.708092474775 -0.0011558 12.6779523 37.4692337 2035-Feb-15 12:00 5.708092393038 -0.0011088 12.6779375 37.4867281 2035-Feb-15 15:00 5.708092314694 -0.0010618 12.6779226 37.5041891 2035-Feb-15 18:00 5.708092239744 -0.0010148 12.6779078 37.5216170 2035-Feb-15 21:00 5.708092168187 -0.0009678 12.6778929 37.5390120 2035-Feb-16 00:00 5.708092100022 -0.0009208 12.6778780 37.5563744 2035-Feb-16 03:00 5.708092035248 -0.0008738 12.6778632 37.5737046 2035-Feb-16 06:00 5.708091973866 -0.0008268 12.6778483 37.5910028 2035-Feb-16 09:00 5.708091915874 -0.0007799 12.6778334 37.6082692 2035-Feb-16 12:00 5.708091861272 -0.0007329 12.6778185 37.6255042 2035-Feb-16 15:00 5.708091810059 -0.0006860 12.6778037 37.6427080 2035-Feb-16 18:00 5.708091762235 -0.0006390 12.6777888 37.6598811 2035-Feb-16 21:00 5.708091717799 -0.0005921 12.6777739 37.6770236 2035-Feb-17 00:00 5.708091676752 -0.0005452 12.6777590 37.6941358 2035-Feb-17 03:00 5.708091639091 -0.0004982 12.6777440 37.7112182 2035-Feb-17 06:00 5.708091604817 -0.0004513 12.6777291 37.7282709 2035-Feb-17 09:00 5.708091573929 -0.0004044 12.6777142 37.7452944 2035-Feb-17 12:00 5.708091546427 -0.0003575 12.6776993 37.7622888 2035-Feb-17 15:00 5.708091522310 -0.0003106 12.6776844 37.7792546 2035-Feb-17 18:00 5.708091501577 -0.0002638 12.6776694 37.7961920 2035-Feb-17 21:00 5.708091484228 -0.0002169 12.6776545 37.8131013 2035-Feb-18 00:00 5.708091470263 -0.0001700 12.6776396 37.8299829 2035-Feb-18 03:00 5.708091459680 -0.0001232 12.6776246 37.8468370 2035-Feb-18 06:00 5.708091452479 -0.0000763 12.6776097 37.8636640 2035-Feb-18 09:00 5.708091448660 -0.0000295 12.6775947 37.8804642 2035-Feb-18 12:00 5.708091448223 0.0000174 12.6775798 37.8972378 2035-Feb-18 15:00 5.708091451165 0.0000642 12.6775648 37.9139852 2035-Feb-18 18:00 5.708091457488 0.0001110 12.6775498 37.9307066 2035-Feb-18 21:00 5.708091467190 0.0001578 12.6775349 37.9474024 2035-Feb-19 00:00 5.708091480272 0.0002046 12.6775199 37.9640728 2035-Feb-19 03:00 5.708091496731 0.0002514 12.6775049 37.9807181 2035-Feb-19 06:00 5.708091516568 0.0002982 12.6774899 37.9973385 2035-Feb-19 09:00 5.708091539783 0.0003450 12.6774749 38.0139344 2035-Feb-19 12:00 5.708091566374 0.0003917 12.6774599 38.0305059 2035-Feb-19 15:00 5.708091596342 0.0004385 12.6774450 38.0470534 2035-Feb-19 18:00 5.708091629684 0.0004853 12.6774299 38.0635770 2035-Feb-19 21:00 5.708091666402 0.0005320 12.6774149 38.0800770 2035-Feb-20 00:00 5.708091706495 0.0005788 12.6773999 38.0965536 2035-Feb-20 03:00 5.708091749961 0.0006255 12.6773849 38.1130070 2035-Feb-20 06:00 5.708091796800 0.0006722 12.6773699 38.1294374 2035-Feb-20 09:00 5.708091847013 0.0007189 12.6773549 38.1458450 2035-Feb-20 12:00 5.708091900597 0.0007656 12.6773398 38.1622300 2035-Feb-20 15:00 5.708091957553 0.0008123 12.6773248 38.1785926 2035-Feb-20 18:00 5.708092017880 0.0008590 12.6773098 38.1949328 2035-Feb-20 21:00 5.708092081578 0.0009057 12.6772947 38.2112509 2035-Feb-21 00:00 5.708092148646 0.0009524 12.6772797 38.2275469 2035-Feb-21 03:00 5.708092219083 0.0009991 12.6772646 38.2438210 2035-Feb-21 06:00 5.708092292888 0.0010457 12.6772496 38.2600733 2035-Feb-21 09:00 5.708092370062 0.0010924 12.6772345 38.2763039 2035-Feb-21 12:00 5.708092450604 0.0011390 12.6772194 38.2925128 2035-Feb-21 15:00 5.708092534513 0.0011857 12.6772044 38.3087002 2035-Feb-21 18:00 5.708092621789 0.0012323 12.6771893 38.3248661 2035-Feb-21 21:00 5.708092712430 0.0012789 12.6771742 38.3410105 2035-Feb-22 00:00 5.708092806437 0.0013256 12.6771591 38.3571334 2035-Feb-22 03:00 5.708092903809 0.0013722 12.6771440 38.3732349 2035-Feb-22 06:00 5.708093004545 0.0014188 12.6771289 38.3893150 2035-Feb-22 09:00 5.708093108645 0.0014654 12.6771138 38.4053737 2035-Feb-22 12:00 5.708093216108 0.0015119 12.6770987 38.4214110 2035-Feb-22 15:00 5.708093326934 0.0015585 12.6770836 38.4374268 2035-Feb-22 18:00 5.708093441121 0.0016051 12.6770685 38.4534210 2035-Feb-22 21:00 5.708093558671 0.0016516 12.6770534 38.4693938 2035-Feb-23 00:00 5.708093679581 0.0016982 12.6770383 38.4853449 2035-Feb-23 03:00 5.708093803851 0.0017447 12.6770232 38.5012743 2035-Feb-23 06:00 5.708093931481 0.0017913 12.6770080 38.5171820 2035-Feb-23 09:00 5.708094062471 0.0018378 12.6769929 38.5330678 2035-Feb-23 12:00 5.708094196819 0.0018843 12.6769777 38.5489316 2035-Feb-23 15:00 5.708094334525 0.0019308 12.6769626 38.5647734 2035-Feb-23 18:00 5.708094475589 0.0019774 12.6769475 38.5805930 2035-Feb-23 21:00 5.708094620009 0.0020239 12.6769323 38.5963903 2035-Feb-24 00:00 5.708094767786 0.0020703 12.6769171 38.6121652 2035-Feb-24 03:00 5.708094918919 0.0021168 12.6769020 38.6279175 2035-Feb-24 06:00 5.708095073407 0.0021633 12.6768868 38.6436471 2035-Feb-24 09:00 5.708095231249 0.0022098 12.6768716 38.6593539 2035-Feb-24 12:00 5.708095392446 0.0022562 12.6768565 38.6750376 2035-Feb-24 15:00 5.708095556996 0.0023027 12.6768413 38.6906982 2035-Feb-24 18:00 5.708095724899 0.0023491 12.6768261 38.7063354 2035-Feb-24 21:00 5.708095896155 0.0023955 12.6768109 38.7219492 2035-Feb-25 00:00 5.708096070762 0.0024420 12.6767957 38.7375392 2035-Feb-25 03:00 5.708096248720 0.0024884 12.6767805 38.7531055 2035-Feb-25 06:00 5.708096430029 0.0025348 12.6767653 38.7686477 2035-Feb-25 09:00 5.708096614688 0.0025812 12.6767501 38.7841657 2035-Feb-25 12:00 5.708096802697 0.0026276 12.6767349 38.7996593 2035-Feb-25 15:00 5.708096994055 0.0026740 12.6767197 38.8151284 2035-Feb-25 18:00 5.708097188760 0.0027204 12.6767045 38.8305727 2035-Feb-25 21:00 5.708097386814 0.0027667 12.6766892 38.8459920 2035-Feb-26 00:00 5.708097588215 0.0028131 12.6766740 38.8613863 2035-Feb-26 03:00 5.708097792962 0.0028595 12.6766588 38.8767552 2035-Feb-26 06:00 5.708098001056 0.0029058 12.6766435 38.8920986 2035-Feb-26 09:00 5.708098212495 0.0029521 12.6766283 38.9074163 2035-Feb-26 12:00 5.708098427278 0.0029985 12.6766130 38.9227082 2035-Feb-26 15:00 5.708098645407 0.0030448 12.6765978 38.9379739 2035-Feb-26 18:00 5.708098866878 0.0030911 12.6765825 38.9532134 2035-Feb-26 21:00 5.708099091693 0.0031374 12.6765673 38.9684265 2035-Feb-27 00:00 5.708099319851 0.0031837 12.6765520 38.9836129 2035-Feb-27 03:00 5.708099551350 0.0032300 12.6765367 38.9987725 2035-Feb-27 06:00 5.708099786191 0.0032763 12.6765215 39.0139051 2035-Feb-27 09:00 5.708100024373 0.0033226 12.6765062 39.0290105 2035-Feb-27 12:00 5.708100265895 0.0033688 12.6764909 39.0440885 2035-Feb-27 15:00 5.708100510757 0.0034151 12.6764756 39.0591389 2035-Feb-27 18:00 5.708100758958 0.0034613 12.6764603 39.0741617 2035-Feb-27 21:00 5.708101010497 0.0035076 12.6764450 39.0891565 2035-Feb-28 00:00 5.708101265374 0.0035538 12.6764297 39.1041232 2035-Feb-28 03:00 5.708101523589 0.0036000 12.6764144 39.1190616 2035-Feb-28 06:00 5.708101785140 0.0036463 12.6763991 39.1339716 2035-Feb-28 09:00 5.708102050028 0.0036925 12.6763838 39.1488530 2035-Feb-28 12:00 5.708102318251 0.0037387 12.6763685 39.1637056 2035-Feb-28 15:00 5.708102589809 0.0037849 12.6763531 39.1785292 2035-Feb-28 18:00 5.708102864702 0.0038311 12.6763378 39.1933237 2035-Feb-28 21:00 5.708103142928 0.0038772 12.6763225 39.2080889 2035-Mar-01 00:00 5.708103424488 0.0039234 12.6763071 39.2228246 $$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 'VmagSn VmagOb' = Magnitude of target centers' velocity with respect to the Sun ("VmagSn") and the observer ("VmagOb") at the time light left the target center to be observed (print time minus down-leg light-time). These are absolute values of the velocity vectors (total speeds) and do NOT indicate direction of motion. Units: 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/horizons_batch.txt scripts https://ssd.jpl.nasa.gov/ftp/ssd/SCRIPTS Author : Jon.D.Giorgini@jpl.nasa.gov ******************************************************************************* !$$SOF COMMAND = '90000393' QUANTITIES = '19,22' START_TIME = '2035-02-10' STEP_SIZE = '3 hours' STOP_TIME = '2035-03-01'