API VERSION: 1.2 API SOURCE: NASA/JPL Horizons API ******************************************************************************* JPL/HORIZONS 13P/Olbers 2024-Apr-30 06:00:09 Rec #:90000226 (+COV) Soln.date: 2024-Apr-29_15:03:53 # obs: 1516 (1887-2024) IAU76/J2000 helio. ecliptic osc. elements (au, days, deg., period=Julian yrs): EPOCH= 2458136.5 ! 2018-Jan-18.0000000 (TDB) RMSW= n.a. EC= .9302444951818024 QR= 1.160691249397305 TP= 2460490.7569010681 OM= 85.89885426861763 W= 64.66200651936647 IN= 44.62782263886866 A= 16.63942153988265 MA= 325.8138188395701 ADIST= 32.118151830368 PER= 67.87589022034 N= .014521007 ANGMOM= .025748146 DAN= 1.60247 DDN= 3.72227 L= 142.2616176 B= 39.413875 MOID= .45913199 TP= 2024-Jun-29.2569010681 Comet physical (GM= km^3/s^2; RAD= km): GM= n.a. RAD= n.a. M1= 5.3 M2= 12.9 k1= 22.25 k2= 5. PHCOF= .030 Comet non-gravitational force model (AMRAT=m^2/kg;A1-A3=au/d^2;DT=days;R0=au): AMRAT= 0. DT= 0. A1= 1.543928980827E-9 A2= 5.913251638412E-10 A3= 0. Standard model: ALN= .1112620426 NK= 4.6142 NM= 2.15 NN= 5.093 R0= 2.808 COMET comments 1: soln ref.= JPL#38, data arc: 1887-08-27 to 2024-04-23 2: k1=22.25, k2=5., phase coef.=0.03; ******************************************************************************* ******************************************************************************* Ephemeris / API_USER Tue Apr 30 06:00:10 2024 Pasadena, USA / Horizons ******************************************************************************* Target body name: 13P/Olbers {source: JPL#38} Center body name: Earth (399) {source: DE441} Center-site name: GEOCENTRIC ******************************************************************************* Start time : A.D. 2094-Mar-01 00:00:00.0000 UT Stop time : A.D. 2094-Mar-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.240429.p240723 EOP coverage : DATA-BASED 1962-JAN-20 TO 2024-APR-29. PREDICTS-> 2024-JUL-22 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= 2458136.5 ! 2018-Jan-18.0000000 (TDB) RMSW= n.a. EC= .9302444951818024 QR= 1.160691249397305 TP= 2460490.7569010681 OM= 85.89885426861763 W= 64.66200651936647 IN= 44.62782263886866 Equivalent ICRF heliocentric cartesian coordinates (au, au/d): X= 1.124868981842619E+01 Y= 2.981507518497300E+00 Z=-1.090169038902271E+01 VX=-2.712526192091553E-03 VY= 7.299052623694262E-04 VZ= 3.382356495793091E-03 Comet physical (GM= km^3/s^2; RAD= km): GM= n.a. RAD= n.a. M1= 5.3 M2= 12.9 k1= 22.25 k2= 5. PHCOF= .030 Comet non-gravitational force model (AMRAT=m^2/kg;A1-A3=au/d^2;DT=days;R0=au): AMRAT= 0. DT= 0. A1= 1.543928980827E-9 A2= 5.913251638412E-10 A3= 0. Standard model: ALN= .1112620426 NK= 4.6142 NM= 2.15 NN= 5.093 R0= 2.808 ******************************************************************************* Date__(UT)__HR:MN r rdot ************************************************** $$SOE 2094-Mar-01 00:00 1.219869527886 -6.3736172 2094-Mar-01 03:00 1.219410760380 -6.3360240 2094-Mar-01 06:00 1.218954708888 -6.2983723 2094-Mar-01 09:00 1.218501377623 -6.2606624 2094-Mar-01 12:00 1.218050770782 -6.2228944 2094-Mar-01 15:00 1.217602892543 -6.1850687 2094-Mar-01 18:00 1.217157747068 -6.1471855 2094-Mar-01 21:00 1.216715338496 -6.1092451 2094-Mar-02 00:00 1.216275670951 -6.0712477 2094-Mar-02 03:00 1.215838748537 -6.0331936 2094-Mar-02 06:00 1.215404575339 -5.9950830 2094-Mar-02 09:00 1.214973155424 -5.9569163 2094-Mar-02 12:00 1.214544492838 -5.9186936 2094-Mar-02 15:00 1.214118591609 -5.8804152 2094-Mar-02 18:00 1.213695455744 -5.8420815 2094-Mar-02 21:00 1.213275089233 -5.8036927 2094-Mar-03 00:00 1.212857496044 -5.7652491 2094-Mar-03 03:00 1.212442680124 -5.7267509 2094-Mar-03 06:00 1.212030645404 -5.6881984 2094-Mar-03 09:00 1.211621395790 -5.6495919 2094-Mar-03 12:00 1.211214935170 -5.6109318 2094-Mar-03 15:00 1.210811267412 -5.5722182 2094-Mar-03 18:00 1.210410396362 -5.5334515 2094-Mar-03 21:00 1.210012325845 -5.4946319 2094-Mar-04 00:00 1.209617059666 -5.4557598 2094-Mar-04 03:00 1.209224601608 -5.4168354 2094-Mar-04 06:00 1.208834955434 -5.3778591 2094-Mar-04 09:00 1.208448124884 -5.3388311 2094-Mar-04 12:00 1.208064113677 -5.2997518 2094-Mar-04 15:00 1.207682925510 -5.2606214 2094-Mar-04 18:00 1.207304564058 -5.2214402 2094-Mar-04 21:00 1.206929032976 -5.1822086 2094-Mar-05 00:00 1.206556335894 -5.1429269 2094-Mar-05 03:00 1.206186476421 -5.1035953 2094-Mar-05 06:00 1.205819458143 -5.0642142 2094-Mar-05 09:00 1.205455284624 -5.0247839 2094-Mar-05 12:00 1.205093959406 -4.9853047 2094-Mar-05 15:00 1.204735486006 -4.9457770 2094-Mar-05 18:00 1.204379867920 -4.9062010 2094-Mar-05 21:00 1.204027108619 -4.8665770 2094-Mar-06 00:00 1.203677211553 -4.8269055 2094-Mar-06 03:00 1.203330180146 -4.7871867 2094-Mar-06 06:00 1.202986017800 -4.7474209 2094-Mar-06 09:00 1.202644727894 -4.7076085 2094-Mar-06 12:00 1.202306313781 -4.6677498 2094-Mar-06 15:00 1.201970778791 -4.6278452 2094-Mar-06 18:00 1.201638126231 -4.5878949 2094-Mar-06 21:00 1.201308359382 -4.5478994 2094-Mar-07 00:00 1.200981481502 -4.5078589 2094-Mar-07 03:00 1.200657495824 -4.4677738 2094-Mar-07 06:00 1.200336405555 -4.4276444 2094-Mar-07 09:00 1.200018213879 -4.3874712 2094-Mar-07 12:00 1.199702923955 -4.3472543 2094-Mar-07 15:00 1.199390538917 -4.3069942 2094-Mar-07 18:00 1.199081061871 -4.2666913 2094-Mar-07 21:00 1.198774495903 -4.2263458 2094-Mar-08 00:00 1.198470844068 -4.1859581 2094-Mar-08 03:00 1.198170109399 -4.1455287 2094-Mar-08 06:00 1.197872294903 -4.1050577 2094-Mar-08 09:00 1.197577403560 -4.0645457 2094-Mar-08 12:00 1.197285438324 -4.0239929 2094-Mar-08 15:00 1.196996402124 -3.9833998 2094-Mar-08 18:00 1.196710297863 -3.9427666 2094-Mar-08 21:00 1.196427128417 -3.9020938 2094-Mar-09 00:00 1.196146896634 -3.8613817 2094-Mar-09 03:00 1.195869605339 -3.8206307 2094-Mar-09 06:00 1.195595257328 -3.7798411 2094-Mar-09 09:00 1.195323855370 -3.7390134 2094-Mar-09 12:00 1.195055402209 -3.6981478 2094-Mar-09 15:00 1.194789900559 -3.6572449 2094-Mar-09 18:00 1.194527353111 -3.6163049 2094-Mar-09 21:00 1.194267762524 -3.5753282 2094-Mar-10 00:00 1.194011131434 -3.5343152 2094-Mar-10 03:00 1.193757462446 -3.4932663 2094-Mar-10 06:00 1.193506758140 -3.4521819 2094-Mar-10 09:00 1.193259021068 -3.4110624 2094-Mar-10 12:00 1.193014253752 -3.3699080 2094-Mar-10 15:00 1.192772458688 -3.3287194 2094-Mar-10 18:00 1.192533638344 -3.2874967 2094-Mar-10 21:00 1.192297795160 -3.2462404 2094-Mar-11 00:00 1.192064931547 -3.2049510 2094-Mar-11 03:00 1.191835049887 -3.1636287 2094-Mar-11 06:00 1.191608152535 -3.1222741 2094-Mar-11 09:00 1.191384241817 -3.0808874 2094-Mar-11 12:00 1.191163320031 -3.0394691 2094-Mar-11 15:00 1.190945389446 -2.9980195 2094-Mar-11 18:00 1.190730452300 -2.9565392 2094-Mar-11 21:00 1.190518510804 -2.9150284 2094-Mar-12 00:00 1.190309567142 -2.8734877 2094-Mar-12 03:00 1.190103623464 -2.8319173 2094-Mar-12 06:00 1.189900681896 -2.7903177 2094-Mar-12 09:00 1.189700744530 -2.7486893 2094-Mar-12 12:00 1.189503813432 -2.7070325 2094-Mar-12 15:00 1.189309890637 -2.6653478 2094-Mar-12 18:00 1.189118978150 -2.6236354 2094-Mar-12 21:00 1.188931077949 -2.5818959 2094-Mar-13 00:00 1.188746191978 -2.5401297 2094-Mar-13 03:00 1.188564322154 -2.4983371 2094-Mar-13 06:00 1.188385470365 -2.4565186 2094-Mar-13 09:00 1.188209638465 -2.4146746 2094-Mar-13 12:00 1.188036828282 -2.3728055 2094-Mar-13 15:00 1.187867041613 -2.3309118 2094-Mar-13 18:00 1.187700280221 -2.2889938 2094-Mar-13 21:00 1.187536545845 -2.2470520 2094-Mar-14 00:00 1.187375840188 -2.2050868 2094-Mar-14 03:00 1.187218164925 -2.1630986 2094-Mar-14 06:00 1.187063521700 -2.1210878 2094-Mar-14 09:00 1.186911912128 -2.0790550 2094-Mar-14 12:00 1.186763337790 -2.0370004 2094-Mar-14 15:00 1.186617800239 -1.9949245 2094-Mar-14 18:00 1.186475300996 -1.9528278 2094-Mar-14 21:00 1.186335841551 -1.9107106 2094-Mar-15 00:00 1.186199423363 -1.8685735 2094-Mar-15 03:00 1.186066047862 -1.8264168 2094-Mar-15 06:00 1.185935716442 -1.7842410 2094-Mar-15 09:00 1.185808430472 -1.7420465 2094-Mar-15 12:00 1.185684191284 -1.6998337 2094-Mar-15 15:00 1.185563000184 -1.6576031 2094-Mar-15 18:00 1.185444858442 -1.6153551 2094-Mar-15 21:00 1.185329767300 -1.5730901 2094-Mar-16 00:00 1.185217727966 -1.5308086 2094-Mar-16 03:00 1.185108741618 -1.4885110 2094-Mar-16 06:00 1.185002809402 -1.4461978 2094-Mar-16 09:00 1.184899932432 -1.4038693 2094-Mar-16 12:00 1.184800111792 -1.3615261 2094-Mar-16 15:00 1.184703348532 -1.3191685 2094-Mar-16 18:00 1.184609643672 -1.2767971 2094-Mar-16 21:00 1.184518998198 -1.2344122 2094-Mar-17 00:00 1.184431413066 -1.1920143 2094-Mar-17 03:00 1.184346889200 -1.1496038 2094-Mar-17 06:00 1.184265427492 -1.1071813 2094-Mar-17 09:00 1.184187028801 -1.0647470 2094-Mar-17 12:00 1.184111693955 -1.0223015 2094-Mar-17 15:00 1.184039423749 -0.9798452 2094-Mar-17 18:00 1.183970218947 -0.9373785 2094-Mar-17 21:00 1.183904080280 -0.8949020 2094-Mar-18 00:00 1.183841008446 -0.8524160 2094-Mar-18 03:00 1.183781004114 -0.8099210 2094-Mar-18 06:00 1.183724067918 -0.7674174 2094-Mar-18 09:00 1.183670200459 -0.7249058 2094-Mar-18 12:00 1.183619402309 -0.6823864 2094-Mar-18 15:00 1.183571674004 -0.6398598 2094-Mar-18 18:00 1.183527016051 -0.5973265 2094-Mar-18 21:00 1.183485428922 -0.5547869 2094-Mar-19 00:00 1.183446913057 -0.5122413 2094-Mar-19 03:00 1.183411468866 -0.4696904 2094-Mar-19 06:00 1.183379096724 -0.4271344 2094-Mar-19 09:00 1.183349796975 -0.3845740 2094-Mar-19 12:00 1.183323569928 -0.3420095 2094-Mar-19 15:00 1.183300415864 -0.2994413 2094-Mar-19 18:00 1.183280335026 -0.2568700 2094-Mar-19 21:00 1.183263327630 -0.2142959 2094-Mar-20 00:00 1.183249393856 -0.1717196 2094-Mar-20 03:00 1.183238533852 -0.1291414 2094-Mar-20 06:00 1.183230747734 -0.0865619 2094-Mar-20 09:00 1.183226035585 -0.0439815 2094-Mar-20 12:00 1.183224397457 -0.0014005 2094-Mar-20 15:00 1.183225833367 0.0411804 2094-Mar-20 18:00 1.183230343301 0.0837609 2094-Mar-20 21:00 1.183237927213 0.1263405 2094-Mar-21 00:00 1.183248585022 0.1689188 2094-Mar-21 03:00 1.183262316618 0.2114954 2094-Mar-21 06:00 1.183279121855 0.2540696 2094-Mar-21 09:00 1.183299000557 0.2966412 2094-Mar-21 12:00 1.183321952514 0.3392097 2094-Mar-21 15:00 1.183347977484 0.3817746 2094-Mar-21 18:00 1.183377075193 0.4243355 2094-Mar-21 21:00 1.183409245333 0.4668918 2094-Mar-22 00:00 1.183444487566 0.5094433 2094-Mar-22 03:00 1.183482801520 0.5519893 2094-Mar-22 06:00 1.183524186789 0.5945296 2094-Mar-22 09:00 1.183568642938 0.6370635 2094-Mar-22 12:00 1.183616169498 0.6795907 2094-Mar-22 15:00 1.183666765966 0.7221108 2094-Mar-22 18:00 1.183720431809 0.7646232 2094-Mar-22 21:00 1.183777166461 0.8071275 2094-Mar-23 00:00 1.183836969324 0.8496234 2094-Mar-23 03:00 1.183899839766 0.8921102 2094-Mar-23 06:00 1.183965777124 0.9345877 2094-Mar-23 09:00 1.184034780704 0.9770553 2094-Mar-23 12:00 1.184106849778 1.0195125 2094-Mar-23 15:00 1.184181983587 1.0619591 2094-Mar-23 18:00 1.184260181338 1.1043944 2094-Mar-23 21:00 1.184341442209 1.1468181 2094-Mar-24 00:00 1.184425765342 1.1892297 2094-Mar-24 03:00 1.184513149852 1.2316288 2094-Mar-24 06:00 1.184603594817 1.2740150 2094-Mar-24 09:00 1.184697099286 1.3163877 2094-Mar-24 12:00 1.184793662275 1.3587466 2094-Mar-24 15:00 1.184893282770 1.4010911 2094-Mar-24 18:00 1.184995959723 1.4434210 2094-Mar-24 21:00 1.185101692056 1.4857357 2094-Mar-25 00:00 1.185210478656 1.5280347 2094-Mar-25 03:00 1.185322318383 1.5703178 2094-Mar-25 06:00 1.185437210063 1.6125843 2094-Mar-25 09:00 1.185555152490 1.6548339 2094-Mar-25 12:00 1.185676144427 1.6970662 2094-Mar-25 15:00 1.185800184606 1.7392807 2094-Mar-25 18:00 1.185927271728 1.7814769 2094-Mar-25 21:00 1.186057404461 1.8236545 2094-Mar-26 00:00 1.186190581444 1.8658130 2094-Mar-26 03:00 1.186326801282 1.9079520 2094-Mar-26 06:00 1.186466062552 1.9500711 2094-Mar-26 09:00 1.186608363798 1.9921697 2094-Mar-26 12:00 1.186753703534 2.0342476 2094-Mar-26 15:00 1.186902080241 2.0763042 2094-Mar-26 18:00 1.187053492372 2.1183391 2094-Mar-26 21:00 1.187207938348 2.1603519 2094-Mar-27 00:00 1.187365416558 2.2023423 2094-Mar-27 03:00 1.187525925362 2.2443096 2094-Mar-27 06:00 1.187689463089 2.2862537 2094-Mar-27 09:00 1.187856028038 2.3281739 2094-Mar-27 12:00 1.188025618476 2.3700699 2094-Mar-27 15:00 1.188198232641 2.4119413 2094-Mar-27 18:00 1.188373868741 2.4537877 2094-Mar-27 21:00 1.188552524953 2.4956086 2094-Mar-28 00:00 1.188734199424 2.5374036 2094-Mar-28 03:00 1.188918890270 2.5791723 2094-Mar-28 06:00 1.189106595579 2.6209144 2094-Mar-28 09:00 1.189297313409 2.6626292 2094-Mar-28 12:00 1.189491041787 2.7043166 2094-Mar-28 15:00 1.189687778710 2.7459760 2094-Mar-28 18:00 1.189887522147 2.7876071 2094-Mar-28 21:00 1.190090270036 2.8292094 2094-Mar-29 00:00 1.190296020288 2.8707825 2094-Mar-29 03:00 1.190504770781 2.9123261 2094-Mar-29 06:00 1.190716519367 2.9538397 2094-Mar-29 09:00 1.190931263866 2.9953229 2094-Mar-29 12:00 1.191149002073 3.0367753 2094-Mar-29 15:00 1.191369731750 3.0781966 2094-Mar-29 18:00 1.191593450631 3.1195862 2094-Mar-29 21:00 1.191820156424 3.1609439 2094-Mar-30 00:00 1.192049846805 3.2022692 2094-Mar-30 03:00 1.192282519424 3.2435617 2094-Mar-30 06:00 1.192518171900 3.2848211 2094-Mar-30 09:00 1.192756801825 3.3260469 2094-Mar-30 12:00 1.192998406764 3.3672388 2094-Mar-30 15:00 1.193242984252 3.4083964 2094-Mar-30 18:00 1.193490531796 3.4495192 2094-Mar-30 21:00 1.193741046877 3.4906069 2094-Mar-31 00:00 1.193994526946 3.5316591 $$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 *******************************************************************************