tag:blogger.com,1999:blog-8800134045308911566.post8028937323834335968..comments2023-04-09T17:08:07.218-07:00Comments on Greg's Space Calculations: Relativistic Rocket CalculatorGreg Hullenderhttp://www.blogger.com/profile/16720604327299886491noreply@blogger.comBlogger3125tag:blogger.com,1999:blog-8800134045308911566.post-54048554718740367532017-06-15T07:57:54.717-07:002017-06-15T07:57:54.717-07:00I want a calculator that will tell me what relativ...I want a calculator that will tell me what relativistic acceleration and velocity a rocket will get if it ejects 1 mg. per second at .38 C and weighs 15 metric tons. INVENTORhttps://www.blogger.com/profile/08390550080354960538noreply@blogger.comtag:blogger.com,1999:blog-8800134045308911566.post-4667055786750123642017-03-07T14:20:30.331-08:002017-03-07T14:20:30.331-08:00Or if you want to go in another direction:
On the...Or if you want to go in another direction:<br /><br />On the evening of 2040/09/09 at 00:00:00 UTC (2040/09/08 at 8 PM local time), a spaceship takes off from Cape Canaveral accelerating at 1 g. <br /><br />Encounter Time Distance Vis. EDT ETA UTC<br /><br />Moon 0.1036 d 392.8 Mm Visible 09/09-02:29<br />Mercury 2.216 d 179.7 Gm Visible 09/11-05:11 <br />Venus 2.429 d 216.0 Gm Visible 09/11-10:18<br />Mars 3.130 d 358.6 Gm Visible 09/12-03:07<br /><br />Jupiter 5.119 d 959.3 Gm Visible 09/14-02:51<br />Saturn 6.571 d 1.581 Tm Visible 09/15-13:42<br />Uranus 8.858 d 2.872 Tm R 3:57 AM 09/17-20:36<br />Neptune 10.891 d 4.341 Tm R 9:56 PM 09/19-21:23<br /><br />Sirius 2.888 a 8.60 ly R 3:30 AM 2043/07/30<br />Procyon 3.143 a 11.46 ly R 3:35 AM 2043/10/31<br />Capella 4.366 a 42.9 ly R 11:06 PM 2045/01/20<br />Aldebaran 4.764 a 65.3 ly R 12:07 PM 2045/06/15<br /><br />Achernar 5.490 a 139 ly R 1:27 AM 2046/03/07<br />Canopus 6.264 a 310 ly R 5:29 AM 2046/12/14<br />Pleiades 6.611 a 444 ly R 10:56 PM 2047/04/20<br />Betelgeuse 6.969 a 643 ly R 1:47 AM 2047/08/29<br /><br />Rigel 7.251 a 860 ly R 1:40 AM 2047/12/10<br />M42 (Orion) 7.683 a 1.344 kly R 1:55 AM 2048/05/16<br />C106 (47 Tucanae) 10.12 a 16.7 kly Not visible 2050/10/24<br />C80 (Omega Centauri) 10.07 a 15.8 kly S 7:16 PM 2050/10/05<br /><br />LMC 12.30 a 158 kly Not visible 2052/12/28<br />SMC 12.52 a 199 kly Not visible 2053/03/19<br />M83 (Southern Pinwheel) 16.73 a 15.21 Mly S 8:38 PM 2057/06/01<br />C77 (Centaurus A) 16.53 a 12.4 Mly S 7:38 PM 2057/03/21<br /><br />Fornax (NGC 1399) 17.42 a 62 Mly R 1:15 AM 2058/02/08<br />Centaurus (NGC 4696) 19.07 a 170 Mly S 7:09 PM 2059/10/03<br />Shapely (NGC 5124) 20.37 a 650 Mly S 8:24 PM 2061/01/20<br />Horologium (IC 1933) 20.73 a 950 Mly R 2:31 AM 2061/06/03<br /><br />3C 273 21.648 a 2.0 Gly Visible 2062/05/03<br />3C 48 22.102 a 3.9 Gly R 8:26 PM 2062/10/16<br />3C 47 22.196 4.3 Gly R 8:58 PM 2062/11/20<br />3C 147 22.362 5.1 Gly R 11:17 PM 2063/01/19<br /><br />3C 9 23.014 10.0 Gly Visible 2063/09/14<br /><br />Edge of Universe 23.326 a 13.8 Gly Visible 2064/01/06<br /><br />Anonymoushttps://www.blogger.com/profile/16233289383754544838noreply@blogger.comtag:blogger.com,1999:blog-8800134045308911566.post-19486706293367735732017-03-02T13:15:45.116-08:002017-03-02T13:15:45.116-08:00This is great. Here's an example of what can ...This is great. Here's an example of what can be done with it.<br /><br />On the evening of 2040/09/09 at 00:00:00 UTC (2040/09/08 at 8 PM local time), a spaceship takes off from Cape Canaveral accelerating at 1 g. <br /><br />Encounter Time Distance Vis. EDT ETA UTC<br /><br />Moon 0.1036 d 392.8 Mm Visible 09/09-02:29<br />Mercury 2.216 d 179.7 Gm Visible 09/11-05:11 <br />Venus 2.429 d 216.0 Gm Visible 09/11-10:18<br />Mars 3.130 d 358.6 Gm Visible 09/12-03:07<br /><br />Jupiter 5.119 d 959.3 Gm Visible 09/14-02:51<br />Saturn 6.571 d 1.581 Tm Visible 09/15-13:42<br />Uranus 8.858 d 2.872 Tm R 3:57 AM 09/17-20:36<br />Neptune 10.891 d 4.341 Tm R 9:56 PM 09/19-21:23<br /><br />Rigil 2.317 a 4.37 ly V 4:52 PM 2043/01/03<br />Altair 3.486 a 16.73 ly Visible 2044/03/05<br />Vega 3.859 a 25.04 ly Visible 2044/07/19<br />Arcturus 4.218 a 36.7 ly Visible 2044/11/27<br /><br />Spica 6.056 a 250 ly Visible 2046/09/29<br />Acrux 6.295 a 320 ly NV 2:39 PM 2046/12/26<br />Hadar 6.486 a 390 ly V 4:16 PM 2047/03/06<br />Antares 6.818 a 550 ly Visible 2047/07/05<br /><br />M6 (Butterfly) 7.852 a 1.6 kly Visible 2048/07/16<br />M8 (Lagoon) 8.763 a 4.1 kly Visible 2049/06/14<br />M4 (Scorpio) 9.309 a 7.2 kly Visible 2049/12/31<br />M2 (Aquarius) 10.784 a 33 kly Visible 2051/06/22<br /><br />M31 (Andromeda) 14.993 a 2.54 Mly Visible 2055/09/07<br />M81 (Bode's) 16.481 a 11.8 Mly Visible 2057/03/03<br />M101 (Pinwheel) 17.035 a 20.9 Mly Visible 2057/09/22<br />M51 (Whirlpool) 17.128 a 23 Mly Visible 2057/10/26<br /><br />Virgo (M87) 17.946 a 53.5 Mly Visible 2058/08/20<br />Coma (NGC 4889) 19.642 a 308 Mly Visible 2060/05/01<br />Hercules (IC 1182) 20.128 a 509 Mly Visible 2060/10/25<br />Corona (PGC54846) 20.747 a 964 Mly Visible 2061/06/08<br /><br />3C 273 21.648 a 2.0 Gly Visible 2062/05/03<br />3C 48 22.102 a 3.9 Gly R 8:26 PM 2062/10/16<br />3C 47 22.196 a 4.3 Gly R 8:58 PM 2062/11/20<br />3C 147 22.362 a 5.1 Gly R 11:17 PM 2063/01/19<br /><br />3C 9 23.014 a 10.0 Gly Visible 2063/09/14<br /><br />Edge of Universe 23.326 a 13.8 Gly<br /><br />However, these calculations assumed that all the places visited are on a straight line from the place of launch. This is obviously not the case. How can I take into account a spaceship turning while moving? <br />Anonymoushttps://www.blogger.com/profile/16233289383754544838noreply@blogger.com