******************************************************************************* Revised: September 30, 2021 Uranus 799 PHYSICAL DATA: Mass x10^24 (kg) = 86.813 Density (g/cm^3) = 1.271 Equat. radius (1 bar) = 25559+-4 km Polar radius (km) = 24973+-20 Vol. Mean Radius (km) = 25362+-12 Flattening = 0.02293 Geometric Albedo = 0.51 Sid. rot. period (III)= 17.24+-0.01 h Sid. rot. rate (rad/s) = -0.000101237 Mean solar day, h =~17.24 Rocky core mass (Mc/M) = 0.0012 GM (km^3/s^2) = 5793951.256 GM 1-sigma (km^3/s^2) = +-4.3 Equ. grav, ge (m/s^2) = 8.87 Pol. grav, gp (m/s^2) = 9.19+-0.02 Visual magnitude V(1,0)= -7.11 Vis. mag. (opposition)= +5.52 Obliquity to orbit = 97.77 deg Sidereal orbit period = 84.0120465 y Sidereal orbit period = 30685.4 d Mean daily motion = 0.01176904 dg/d Mean orbit velocity = 6.8 km/s Atmos. temp. (1 bar) = 76+-2 K Escape speed, km/s = 21.3 Aroche(ice)/Rp = 2.20 Hill's sphere rad., Rp = 2700 Perihelion Aphelion Mean Solar Constant (W/m^2) 4.09 3.39 3.71 Maximum Planetary IR (W/m^2) 0.72 0.55 0.63 Minimum Planetary IR (W/m^2) 0.72 0.55 0.63 ******************************************************************************* ******************************************************************************* Ephemeris / WWW_USER Tue Apr 23 08:08:59 2024 Pasadena, USA / Horizons ******************************************************************************* Target body name: Uranus (799) {source: ura116} Center body name: Earth (399) {source: ura116} Center-site name: GEOCENTRIC ******************************************************************************* Start time : A.D. 2050-Aug-01 00:00:00.0000 UT Stop time : A.D. 2050-Aug-30 00:00:00.0000 UT Step-size : 180 minutes ******************************************************************************* Target pole/equ : IAU_URANUS {East-longitude positive} Target radii : 25559.0, 25559.0, 24973.0 km {Equator_a, b, pole_c} 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: ura116} Rel. light bend : Sun {source: ura116} Rel. lght bnd GM: 1.3271E+11 km^3/s^2 Atmos refraction: NO (AIRLESS) RA format : HMS Time format : CAL Calendar mode : Mixed Julian/Gregorian EOP file : eop.240422.p240716 EOP coverage : DATA-BASED 1962-JAN-20 TO 2024-APR-22. PREDICTS-> 2024-JUL-15 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 ) ******************************************************************************* Date__(UT)__HR:MN r rdot ************************************************** $$SOE 2050-Aug-01 00:00 18.28307981855 -0.0011332 2050-Aug-01 03:00 18.28307973629 -0.0011449 2050-Aug-01 06:00 18.28307965340 -0.0011506 2050-Aug-01 09:00 18.28307957034 -0.0011490 2050-Aug-01 12:00 18.28307948772 -0.0011387 2050-Aug-01 15:00 18.28307940617 -0.0011190 2050-Aug-01 18:00 18.28307932640 -0.0010893 2050-Aug-01 21:00 18.28307924912 -0.0010503 2050-Aug-02 00:00 18.28307917496 -0.0010030 2050-Aug-02 03:00 18.28307910444 -0.0009498 2050-Aug-02 06:00 18.28307903790 -0.0008936 2050-Aug-02 09:00 18.28307897541 -0.0008379 2050-Aug-02 12:00 18.28307891683 -0.0007860 2050-Aug-02 15:00 18.28307886176 -0.0007410 2050-Aug-02 18:00 18.28307880962 -0.0007049 2050-Aug-02 21:00 18.28307875974 -0.0006789 2050-Aug-03 00:00 18.28307871136 -0.0006628 2050-Aug-03 03:00 18.28307866384 -0.0006550 2050-Aug-03 06:00 18.28307861662 -0.0006539 2050-Aug-03 09:00 18.28307856932 -0.0006570 2050-Aug-03 12:00 18.28307852172 -0.0006619 2050-Aug-03 15:00 18.28307847377 -0.0006666 2050-Aug-03 18:00 18.28307842552 -0.0006698 2050-Aug-03 21:00 18.28307837712 -0.0006705 2050-Aug-04 00:00 18.28307832877 -0.0006685 2050-Aug-04 03:00 18.28307828067 -0.0006637 2050-Aug-04 06:00 18.28307823301 -0.0006564 2050-Aug-04 09:00 18.28307818595 -0.0006469 2050-Aug-04 12:00 18.28307813965 -0.0006358 2050-Aug-04 15:00 18.28307809418 -0.0006238 2050-Aug-04 18:00 18.28307804957 -0.0006122 2050-Aug-04 21:00 18.28307800575 -0.0006023 2050-Aug-05 00:00 18.28307796254 -0.0005957 2050-Aug-05 03:00 18.28307791963 -0.0005942 2050-Aug-05 06:00 18.28307787659 -0.0005993 2050-Aug-05 09:00 18.28307783293 -0.0006118 2050-Aug-05 12:00 18.28307778807 -0.0006320 2050-Aug-05 15:00 18.28307774152 -0.0006588 2050-Aug-05 18:00 18.28307769285 -0.0006903 2050-Aug-05 21:00 18.28307764180 -0.0007239 2050-Aug-06 00:00 18.28307758836 -0.0007563 2050-Aug-06 03:00 18.28307753272 -0.0007844 2050-Aug-06 06:00 18.28307747528 -0.0008056 2050-Aug-06 09:00 18.28307741662 -0.0008180 2050-Aug-06 12:00 18.28307735740 -0.0008210 2050-Aug-06 15:00 18.28307729831 -0.0008148 2050-Aug-06 18:00 18.28307723995 -0.0008007 2050-Aug-06 21:00 18.28307718285 -0.0007806 2050-Aug-07 00:00 18.28307712733 -0.0007569 2050-Aug-07 03:00 18.28307707360 -0.0007317 2050-Aug-07 06:00 18.28307702166 -0.0007074 2050-Aug-07 09:00 18.28307697140 -0.0006858 2050-Aug-07 12:00 18.28307692255 -0.0006685 2050-Aug-07 15:00 18.28307687474 -0.0006569 2050-Aug-07 18:00 18.28307682753 -0.0006522 2050-Aug-07 21:00 18.28307678039 -0.0006552 2050-Aug-08 00:00 18.28307673274 -0.0006663 2050-Aug-08 03:00 18.28307668400 -0.0006853 2050-Aug-08 06:00 18.28307663363 -0.0007111 2050-Aug-08 09:00 18.28307658119 -0.0007423 2050-Aug-08 12:00 18.28307652639 -0.0007762 2050-Aug-08 15:00 18.28307646914 -0.0008097 2050-Aug-08 18:00 18.28307640958 -0.0008396 2050-Aug-08 21:00 18.28307634808 -0.0008627 2050-Aug-09 00:00 18.28307628524 -0.0008764 2050-Aug-09 03:00 18.28307622181 -0.0008792 2050-Aug-09 06:00 18.28307615859 -0.0008705 2050-Aug-09 09:00 18.28307609638 -0.0008512 2050-Aug-09 12:00 18.28307603590 -0.0008231 2050-Aug-09 15:00 18.28307597769 -0.0007887 2050-Aug-09 18:00 18.28307592211 -0.0007506 2050-Aug-09 21:00 18.28307586934 -0.0007115 2050-Aug-10 00:00 18.28307581936 -0.0006734 2050-Aug-10 03:00 18.28307577205 -0.0006379 2050-Aug-10 06:00 18.28307572717 -0.0006058 2050-Aug-10 09:00 18.28307568449 -0.0005773 2050-Aug-10 12:00 18.28307564374 -0.0005523 2050-Aug-10 15:00 18.28307560468 -0.0005302 2050-Aug-10 18:00 18.28307556712 -0.0005106 2050-Aug-10 21:00 18.28307553092 -0.0004927 2050-Aug-11 00:00 18.28307549596 -0.0004757 2050-Aug-11 03:00 18.28307546224 -0.0004586 2050-Aug-11 06:00 18.28307542979 -0.0004398 2050-Aug-11 09:00 18.28307539880 -0.0004181 2050-Aug-11 12:00 18.28307536952 -0.0003924 2050-Aug-11 15:00 18.28307534228 -0.0003614 2050-Aug-11 18:00 18.28307531748 -0.0003246 2050-Aug-11 21:00 18.28307529555 -0.0002822 2050-Aug-12 00:00 18.28307527683 -0.0002357 2050-Aug-12 03:00 18.28307526157 -0.0001872 2050-Aug-12 06:00 18.28307524979 -0.0001394 2050-Aug-12 09:00 18.28307524134 -0.0000956 2050-Aug-12 12:00 18.28307523582 -0.0000587 2050-Aug-12 15:00 18.28307523264 -0.0000311 2050-Aug-12 18:00 18.28307523107 -0.0000141 2050-Aug-12 21:00 18.28307523034 -0.0000079 2050-Aug-13 00:00 18.28307522969 -0.0000116 2050-Aug-13 03:00 18.28307522847 -0.0000233 2050-Aug-13 06:00 18.28307522620 -0.0000406 2050-Aug-13 09:00 18.28307522255 -0.0000608 2050-Aug-13 12:00 18.28307521741 -0.0000814 2050-Aug-13 15:00 18.28307521084 -0.0001002 2050-Aug-13 18:00 18.28307520304 -0.0001152 2050-Aug-13 21:00 18.28307519433 -0.0001251 2050-Aug-14 00:00 18.28307518513 -0.0001288 2050-Aug-14 03:00 18.28307517590 -0.0001255 2050-Aug-14 06:00 18.28307516718 -0.0001148 2050-Aug-14 09:00 18.28307515951 -0.0000967 2050-Aug-14 12:00 18.28307515339 -0.0000716 2050-Aug-14 15:00 18.28307514930 -0.0000408 2050-Aug-14 18:00 18.28307514759 -0.0000061 2050-Aug-14 21:00 18.28307514846 0.0000300 2050-Aug-15 00:00 18.28307515188 0.0000643 2050-Aug-15 03:00 18.28307515763 0.0000939 2050-Aug-15 06:00 18.28307516525 0.0001159 2050-Aug-15 09:00 18.28307517413 0.0001283 2050-Aug-15 12:00 18.28307518352 0.0001301 2050-Aug-15 15:00 18.28307519266 0.0001214 2050-Aug-15 18:00 18.28307520083 0.0001038 2050-Aug-15 21:00 18.28307520748 0.0000795 2050-Aug-16 00:00 18.28307521221 0.0000513 2050-Aug-16 03:00 18.28307521487 0.0000223 2050-Aug-16 06:00 18.28307521548 -0.0000050 2050-Aug-16 09:00 18.28307521423 -0.0000287 2050-Aug-16 12:00 18.28307521146 -0.0000474 2050-Aug-16 15:00 18.28307520752 -0.0000607 2050-Aug-16 18:00 18.28307520282 -0.0000686 2050-Aug-16 21:00 18.28307519774 -0.0000716 2050-Aug-17 00:00 18.28307519259 -0.0000704 2050-Aug-17 03:00 18.28307518765 -0.0000658 2050-Aug-17 06:00 18.28307518315 -0.0000586 2050-Aug-17 09:00 18.28307517924 -0.0000498 2050-Aug-17 12:00 18.28307517597 -0.0000406 2050-Aug-17 15:00 18.28307517335 -0.0000323 2050-Aug-17 18:00 18.28307517125 -0.0000263 2050-Aug-17 21:00 18.28307516947 -0.0000237 2050-Aug-18 00:00 18.28307516772 -0.0000255 2050-Aug-18 03:00 18.28307516567 -0.0000320 2050-Aug-18 06:00 18.28307516300 -0.0000426 2050-Aug-18 09:00 18.28307515946 -0.0000559 2050-Aug-18 12:00 18.28307515492 -0.0000695 2050-Aug-18 15:00 18.28307514947 -0.0000809 2050-Aug-18 18:00 18.28307514337 -0.0000871 2050-Aug-18 21:00 18.28307513708 -0.0000856 2050-Aug-19 00:00 18.28307513125 -0.0000743 2050-Aug-19 03:00 18.28307512660 -0.0000530 2050-Aug-19 06:00 18.28307512384 -0.0000219 2050-Aug-19 09:00 18.28307512363 0.0000174 2050-Aug-19 12:00 18.28307512650 0.0000628 2050-Aug-19 15:00 18.28307513277 0.0001114 2050-Aug-19 18:00 18.28307514259 0.0001603 2050-Aug-19 21:00 18.28307515586 0.0002068 2050-Aug-20 00:00 18.28307517233 0.0002486 2050-Aug-20 03:00 18.28307519159 0.0002840 2050-Aug-20 06:00 18.28307521315 0.0003118 2050-Aug-20 09:00 18.28307523641 0.0003312 2050-Aug-20 12:00 18.28307526076 0.0003419 2050-Aug-20 15:00 18.28307528556 0.0003438 2050-Aug-20 18:00 18.28307531019 0.0003374 2050-Aug-20 21:00 18.28307533410 0.0003238 2050-Aug-21 00:00 18.28307535680 0.0003044 2050-Aug-21 03:00 18.28307537796 0.0002814 2050-Aug-21 06:00 18.28307539742 0.0002576 2050-Aug-21 09:00 18.28307541521 0.0002358 2050-Aug-21 12:00 18.28307543159 0.0002191 2050-Aug-21 15:00 18.28307544702 0.0002098 2050-Aug-21 18:00 18.28307546211 0.0002097 2050-Aug-21 21:00 18.28307547753 0.0002192 2050-Aug-22 00:00 18.28307549398 0.0002378 2050-Aug-22 03:00 18.28307551204 0.0002636 2050-Aug-22 06:00 18.28307553215 0.0002942 2050-Aug-22 09:00 18.28307555455 0.0003264 2050-Aug-22 12:00 18.28307557925 0.0003574 2050-Aug-22 15:00 18.28307560607 0.0003848 2050-Aug-22 18:00 18.28307563468 0.0004067 2050-Aug-22 21:00 18.28307566464 0.0004224 2050-Aug-23 00:00 18.28307569551 0.0004317 2050-Aug-23 03:00 18.28307572683 0.0004353 2050-Aug-23 06:00 18.28307575824 0.0004341 2050-Aug-23 09:00 18.28307578942 0.0004292 2050-Aug-23 12:00 18.28307582015 0.0004219 2050-Aug-23 15:00 18.28307585031 0.0004134 2050-Aug-23 18:00 18.28307587984 0.0004048 2050-Aug-23 21:00 18.28307590878 0.0003973 2050-Aug-24 00:00 18.28307593726 0.0003922 2050-Aug-24 03:00 18.28307596550 0.0003907 2050-Aug-24 06:00 18.28307599378 0.0003937 2050-Aug-24 09:00 18.28307602247 0.0004021 2050-Aug-24 12:00 18.28307605196 0.0004157 2050-Aug-24 15:00 18.28307608261 0.0004340 2050-Aug-24 18:00 18.28307611470 0.0004553 2050-Aug-24 21:00 18.28307614837 0.0004773 2050-Aug-25 00:00 18.28307618357 0.0004974 2050-Aug-25 03:00 18.28307622007 0.0005128 2050-Aug-25 06:00 18.28307625744 0.0005214 2050-Aug-25 09:00 18.28307629515 0.0005218 2050-Aug-25 12:00 18.28307633257 0.0005137 2050-Aug-25 15:00 18.28307636913 0.0004981 2050-Aug-25 18:00 18.28307640435 0.0004769 2050-Aug-25 21:00 18.28307643793 0.0004529 2050-Aug-26 00:00 18.28307646975 0.0004291 2050-Aug-26 03:00 18.28307649995 0.0004083 2050-Aug-26 06:00 18.28307652884 0.0003931 2050-Aug-26 09:00 18.28307655689 0.0003854 2050-Aug-26 12:00 18.28307658469 0.0003863 2050-Aug-26 15:00 18.28307661289 0.0003966 2050-Aug-26 18:00 18.28307664218 0.0004164 2050-Aug-26 21:00 18.28307667324 0.0004454 2050-Aug-27 00:00 18.28307670670 0.0004829 2050-Aug-27 03:00 18.28307674315 0.0005283 2050-Aug-27 06:00 18.28307678312 0.0005798 2050-Aug-27 09:00 18.28307682696 0.0006354 2050-Aug-27 12:00 18.28307687491 0.0006931 2050-Aug-27 15:00 18.28307692700 0.0007497 2050-Aug-27 18:00 18.28307698305 0.0008023 2050-Aug-27 21:00 18.28307704267 0.0008481 2050-Aug-28 00:00 18.28307710528 0.0008849 2050-Aug-28 03:00 18.28307717019 0.0009115 2050-Aug-28 06:00 18.28307723664 0.0009277 2050-Aug-28 09:00 18.28307730391 0.0009346 2050-Aug-28 12:00 18.28307737140 0.0009344 2050-Aug-28 15:00 18.28307743871 0.0009297 2050-Aug-28 18:00 18.28307750561 0.0009237 2050-Aug-28 21:00 18.28307757211 0.0009191 2050-Aug-29 00:00 18.28307763840 0.0009182 2050-Aug-29 03:00 18.28307770480 0.0009222 2050-Aug-29 06:00 18.28307777169 0.0009317 2050-Aug-29 09:00 18.28307783945 0.0009463 2050-Aug-29 12:00 18.28307790842 0.0009651 2050-Aug-29 15:00 18.28307797887 0.0009869 2050-Aug-29 18:00 18.28307805095 0.0010103 2050-Aug-29 21:00 18.28307812474 0.0010340 2050-Aug-30 00:00 18.28307820022 0.0010567 $$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 = '799' START_TIME = '2050-08-01' STOP_TIME = '2050-08-30' STEP_SIZE = '3 hours' QUANTITIES = '19'