| Ephemeris for Mars | | DATE | Time | Age of | RIGHT ASCENS | DECLINATION | Rise | Culm | Set | Approx| Observable | Constellation | Year Mth Day | | Moon | hour min sec | deg min sec | | | | Mag. | | | | 2031 08 31 | 20:00 | 14 days | 16 04 09 | −22 53 53 | 13:33 | 18:06 | 22:40 | 0.13 | 19:50 until 21:26 | Scorpius | 2031 09 01 | 20:00 | 15 days | 16 06 44 | −23 00 49 | 13:32 | 18:05 | 22:38 | 0.14 | 19:49 until 21:24 | Scorpius | 2031 09 02 | 20:00 | 16 days | 16 09 19 | −23 07 39 | 13:31 | 18:04 | 22:36 | 0.15 | 19:47 until 21:21 | Scorpius | 2031 09 03 | 20:00 | 17 days | 16 11 56 | −23 14 20 | 13:30 | 18:02 | 22:34 | 0.16 | 19:45 until 21:19 | Scorpius | 2031 09 04 | 20:00 | 18 days | 16 14 34 | −23 20 55 | 13:30 | 18:01 | 22:32 | 0.17 | 19:44 until 21:17 | Scorpius | 2031 09 05 | 20:00 | 19 days | 16 17 13 | −23 27 21 | 13:29 | 18:00 | 22:30 | 0.18 | 19:42 until 21:15 | Scorpius | 2031 09 06 | 20:00 | 20 days | 16 19 52 | −23 33 40 | 13:28 | 17:58 | 22:29 | 0.19 | 19:40 until 21:13 | Scorpius | 2031 09 07 | 20:00 | 21 days | 16 22 33 | −23 39 50 | 13:27 | 17:57 | 22:27 | 0.20 | 19:39 until 21:11 | Scorpius | 2031 09 08 | 20:00 | 22 days | 16 25 16 | −23 45 52 | 13:27 | 17:56 | 22:25 | 0.21 | 19:37 until 21:08 | Ophiuchus | 2031 09 09 | 20:00 | 23 days | 16 27 59 | −23 51 45 | 13:26 | 17:55 | 22:23 | 0.22 | 19:35 until 21:06 | Ophiuchus | 2031 09 10 | 20:00 | 24 days | 16 30 43 | −23 57 29 | 13:25 | 17:53 | 22:22 | 0.23 | 19:34 until 21:04 | Ophiuchus | 2031 09 11 | 20:00 | 25 days | 16 33 28 | −24 03 04 | 13:24 | 17:52 | 22:20 | 0.24 | 19:32 until 21:02 | Ophiuchus | 2031 09 12 | 20:00 | 26 days | 16 36 14 | −24 08 29 | 13:24 | 17:51 | 22:19 | 0.25 | 19:30 until 21:01 | Ophiuchus | 2031 09 13 | 20:00 | 27 days | 16 39 01 | −24 13 45 | 13:23 | 17:50 | 22:17 | 0.26 | 19:28 until 20:59 | Ophiuchus | 2031 09 14 | 20:00 | 28 days | 16 41 49 | −24 18 51 | 13:22 | 17:49 | 22:15 | 0.27 | 19:27 until 20:57 | Ophiuchus | 2031 09 15 | 20:00 | 29 days | 16 44 38 | −24 23 48 | 13:21 | 17:48 | 22:14 | 0.27 | 19:25 until 20:55 | Ophiuchus | 2031 09 16 | 20:00 | 01 days | 16 47 28 | −24 28 33 | 13:21 | 17:46 | 22:12 | 0.28 | 19:23 until 20:53 | Ophiuchus | 2031 09 17 | 20:00 | 02 days | 16 50 19 | −24 33 09 | 13:20 | 17:45 | 22:11 | 0.29 | 19:22 until 20:51 | Ophiuchus | 2031 09 18 | 20:00 | 03 days | 16 53 11 | −24 37 34 | 13:19 | 17:44 | 22:09 | 0.30 | 19:20 until 20:50 | Ophiuchus | 2031 09 19 | 20:00 | 04 days | 16 56 04 | −24 41 48 | 13:18 | 17:43 | 22:08 | 0.31 | 19:18 until 20:48 | Ophiuchus | 2031 09 20 | 20:00 | 05 days | 16 58 57 | −24 45 50 | 13:18 | 17:42 | 22:07 | 0.32 | 19:17 until 20:46 | Ophiuchus | 2031 09 21 | 20:00 | 06 days | 17 01 52 | −24 49 42 | 13:17 | 17:41 | 22:05 | 0.32 | 19:15 until 20:45 | Ophiuchus | 2031 09 22 | 20:00 | 07 days | 17 04 47 | −24 53 22 | 13:16 | 17:40 | 22:04 | 0.33 | 19:13 until 20:43 | Ophiuchus | 2031 09 23 | 20:00 | 08 days | 17 07 43 | −24 56 51 | 13:15 | 17:39 | 22:03 | 0.34 | 19:11 until 20:41 | Ophiuchus | 2031 09 24 | 20:00 | 09 days | 17 10 40 | −25 00 07 | 13:15 | 17:38 | 22:01 | 0.35 | 19:10 until 20:40 | Ophiuchus | | All times computed for Cambridge (latitude 42.38; longitude -71.11) | and expressed in Cambridge time. | | Ephemeris computed by Dominic Ford. |