Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and FY3D TLE Epoch: 2023 6 18. Predictions up to the next 14.0 days: Date Time(NOAA-21) NOAA-21 Lat/Lon Date Time(FY3D) FY3D Lat/Lon Distance(km) Time Diff(sec) 06/27/2023 09:52:27 ( -81.18, 153.27) 06/27/2023 09:51:11 ( -81.18, 153.35) 1.30 76 06/27/2023 10:43:12 ( 81.19, -39.53) 06/27/2023 10:41:57 ( 81.18, -39.56) 0.74 75 06/27/2023 11:33:57 ( -81.19, 127.85) 06/27/2023 11:32:43 ( -81.18, 127.77) 1.40 74 06/27/2023 12:24:41 ( 81.18, -64.57) 06/27/2023 12:23:28 ( 81.18, -64.75) 3.07 73 06/27/2023 13:15:27 ( -81.19, 102.43) 06/27/2023 13:14:14 ( -81.18, 102.58) 2.63 73 06/27/2023 14:06:11 ( 81.18, -90.00) 06/27/2023 14:04:59 ( 81.18, -89.94) 1.03 72 06/27/2023 14:56:56 ( -81.18, 77.38) 06/27/2023 14:55:45 ( -81.18, 77.39) 0.61 71 06/27/2023 15:47:41 ( 81.18,-115.42) 06/27/2023 15:46:31 ( 81.18,-115.52) 1.69 70 06/27/2023 16:38:26 ( -81.18, 51.96) 06/27/2023 16:37:17 ( -81.18, 51.81) 2.62 69 06/27/2023 17:29:11 ( 81.18,-140.85) 06/27/2023 17:28:02 ( 81.18,-140.71) 2.30 69 06/27/2023 18:19:56 ( -81.18, 26.53) 06/27/2023 18:18:48 ( -81.18, 26.61) 1.40 68 06/27/2023 19:10:41 ( 81.18,-166.27) 06/27/2023 19:09:34 ( 81.18,-166.29) 0.35 67 06/27/2023 20:01:26 ( -81.18, 1.11) 06/27/2023 20:00:20 ( -81.18, 1.04) 1.28 66 06/27/2023 20:52:11 ( 81.19, 168.31) 06/27/2023 20:51:06 ( 81.18, 168.13) 2.99 65 06/27/2023 21:42:56 ( -81.18, -24.31) 06/27/2023 21:41:51 ( -81.18, -24.16) 2.67 65 06/27/2023 22:33:41 ( 81.19, 142.88) 06/27/2023 22:32:37 ( 81.18, 142.94) 1.09 64 06/27/2023 23:24:26 ( -81.19, -49.74) 06/27/2023 23:23:23 ( -81.18, -49.74) 0.20 63 06/28/2023 00:15:10 ( 81.18, 117.84) 06/28/2023 00:14:08 ( 81.18, 117.75) 1.65 62 06/28/2023 01:05:56 ( -81.19, -75.16) 06/28/2023 01:04:55 ( -81.18, -75.31) 2.64 61 06/28/2023 01:56:41 ( 81.19, 92.03) 06/28/2023 01:55:40 ( 81.18, 92.17) 2.46 61 06/28/2023 02:47:26 ( -81.19,-100.58) 06/28/2023 02:46:26 ( -81.18,-100.51) 1.43 60 06/28/2023 03:38:10 ( 81.18, 66.99) 06/28/2023 03:37:11 ( 81.18, 66.98) 0.37 59 06/28/2023 04:28:55 ( -81.18,-125.63) 06/28/2023 04:27:57 ( -81.18,-125.70) 1.32 58 06/28/2023 05:19:40 ( 81.18, 41.56) 06/28/2023 05:18:43 ( 81.18, 41.40) 2.82 57 06/28/2023 06:10:26 ( -81.19,-151.43) 06/28/2023 06:09:29 ( -81.18,-151.28) 2.76 57 06/28/2023 07:01:10 ( 81.18, 16.14) 06/28/2023 07:00:14 ( 81.18, 16.21) 1.16 56 06/28/2023 07:51:55 ( -81.18,-176.48) 06/28/2023 07:51:00 ( -81.18,-176.47) 0.26 55 06/28/2023 08:42:40 ( 81.19, -9.29) 06/28/2023 08:41:46 ( 81.18, -9.37) 1.48 54 06/28/2023 09:33:25 ( -81.18, 158.10) 06/28/2023 09:32:32 ( -81.18, 157.95) 2.54 53 06/28/2023 10:24:10 ( 81.19, -34.71) 06/28/2023 10:23:17 ( 81.18, -34.56) 2.53 53 06/28/2023 11:14:55 ( -81.18, 132.68) 06/28/2023 11:14:03 ( -81.18, 132.76) 1.41 52 06/28/2023 12:05:40 ( 81.19, -60.14) 06/28/2023 12:04:49 ( 81.18, -60.14) 0.51 51 06/28/2023 12:56:25 ( -81.19, 107.25) 06/28/2023 12:55:35 ( -81.18, 107.18) 1.26 50 06/28/2023 13:47:09 ( 81.18, -85.18) 06/28/2023 13:46:20 ( 81.18, -85.34) 2.72 49 06/28/2023 14:37:55 ( -81.19, 81.83) 06/28/2023 14:37:06 ( -81.18, 81.99) 2.74 49 06/28/2023 15:28:39 ( 81.18,-110.60) 06/28/2023 15:27:51 ( 81.18,-110.53) 1.39 48 06/28/2023 16:19:25 ( -81.19, 56.40) 06/28/2023 16:18:38 ( -81.18, 56.41) 0.57 47 06/28/2023 17:10:09 ( 81.18,-136.03) 06/28/2023 17:09:23 ( 81.18,-136.11) 1.34 46 06/28/2023 18:00:54 ( -81.18, 31.36) 06/28/2023 18:00:09 ( -81.18, 31.21) 2.51 45 06/28/2023 18:51:39 ( 81.18,-161.45) 06/28/2023 18:50:54 ( 81.18,-161.30) 2.66 45 06/28/2023 19:42:24 ( -81.18, 5.93) 06/28/2023 19:41:40 ( -81.18, 6.02) 1.53 44 06/28/2023 20:33:09 ( 81.18, 173.12) 06/28/2023 20:32:26 ( 81.18, 173.12) 0.07 43 06/28/2023 21:23:54 ( -81.18, -19.49) 06/28/2023 21:23:12 ( -81.18, -19.56) 1.17 42 06/28/2023 22:14:39 ( 81.19, 147.70) 06/28/2023 22:13:58 ( 81.18, 147.54) 2.63 41 06/28/2023 23:05:24 ( -81.18, -44.91) 06/28/2023 23:04:43 ( -81.18, -44.75) 2.79 41 06/28/2023 23:56:09 ( 81.19, 122.27) 06/28/2023 23:55:29 ( 81.18, 122.35) 1.42 40 06/29/2023 00:46:54 ( -81.18, -70.34) 06/29/2023 00:46:15 ( -81.18, -70.33) 0.20 39 06/29/2023 01:37:38 ( 81.18, 97.23) 06/29/2023 01:37:00 ( 81.18, 97.16) 1.35 38 06/29/2023 02:28:24 ( -81.19, -95.76) 06/29/2023 02:27:47 ( -81.18, -95.91) 2.52 37 06/29/2023 03:19:08 ( 81.19, 71.42) 06/29/2023 03:18:31 ( 81.18, 71.58) 2.80 37 06/29/2023 04:09:53 ( -81.19,-121.19) 06/29/2023 04:09:17 ( -81.18,-121.10) 1.52 36 06/29/2023 05:00:37 ( 81.18, 46.38) 06/29/2023 05:00:02 ( 81.18, 46.39) 0.40 35 06/29/2023 05:51:22 ( -81.18,-146.23) 06/29/2023 05:50:48 ( -81.18,-146.29) 1.24 34 06/29/2023 06:42:07 ( 81.18, 20.95) 06/29/2023 06:41:34 ( 81.18, 20.81) 2.47 33 06/29/2023 07:32:53 ( -81.19,-172.04) 06/29/2023 07:32:20 ( -81.18,-171.87) 2.86 33 06/29/2023 08:23:37 ( 81.18, -4.47) 06/29/2023 08:23:05 ( 81.18, -4.38) 1.52 32 06/29/2023 09:14:22 ( -81.18, 162.92) 06/29/2023 09:13:51 ( -81.18, 162.93) 0.37 31 06/29/2023 10:05:07 ( 81.19, -29.90) 06/29/2023 10:04:37 ( 81.18, -29.96) 1.13 30 06/29/2023 10:55:52 ( -81.18, 137.50) 06/29/2023 10:55:23 ( -81.18, 137.35) 2.43 29 06/29/2023 11:46:37 ( 81.19, -55.32) 06/29/2023 11:46:08 ( 81.18, -55.16) 2.88 29 06/29/2023 12:37:22 ( -81.18, 112.07) 06/29/2023 12:36:54 ( -81.18, 112.16) 1.52 28 06/29/2023 13:28:07 ( 81.19, -80.75) 06/29/2023 13:27:40 ( 81.18, -80.74) 0.52 27 06/29/2023 14:18:52 ( -81.19, 86.65) 06/29/2023 14:18:26 ( -81.18, 86.58) 1.14 26 06/29/2023 15:09:36 ( 81.18,-105.79) 06/29/2023 15:09:11 ( 81.18,-105.93) 2.38 25 06/29/2023 16:00:22 ( -81.19, 61.22) 06/29/2023 15:59:57 ( -81.18, 61.39) 2.85 25 06/29/2023 16:51:06 ( 81.18,-131.22) 06/29/2023 16:50:42 ( 81.18,-131.12) 1.73 24 06/29/2023 17:41:52 ( -81.19, 35.80) 06/29/2023 17:41:29 ( -81.18, 35.81) 0.54 23 06/29/2023 18:32:36 ( 81.18,-156.64) 06/29/2023 18:32:14 ( 81.18,-156.70) 1.00 22 06/29/2023 19:23:21 ( -81.18, 10.75) 06/29/2023 19:23:00 ( -81.18, 10.61) 2.41 21 06/29/2023 20:14:06 ( 81.18, 177.93) 06/29/2023 20:13:45 ( 81.18, 178.11) 3.02 21 06/29/2023 21:04:51 ( -81.18, -14.67) 06/29/2023 21:04:31 ( -81.18, -14.58) 1.65 20 06/29/2023 21:55:36 ( 81.18, 152.50) 06/29/2023 21:55:17 ( 81.18, 152.53) 0.38 19 06/29/2023 22:46:21 ( -81.18, -40.10) 06/29/2023 22:46:03 ( -81.18, -40.16) 1.07 18 06/29/2023 23:37:06 ( 81.19, 127.08) 06/29/2023 23:36:49 ( 81.18, 126.95) 2.27 17 06/30/2023 00:27:51 ( -81.18, -65.52) 06/30/2023 00:27:34 ( -81.18, -65.35) 2.90 17 06/30/2023 01:18:36 ( 81.19, 101.65) 06/30/2023 01:18:20 ( 81.18, 101.75) 1.76 16 06/30/2023 02:09:21 ( -81.18, -90.95) 06/30/2023 02:09:06 ( -81.18, -90.93) 0.27 15 06/30/2023 03:00:05 ( 81.18, 76.61) 06/30/2023 02:59:51 ( 81.18, 76.56) 1.06 14 06/30/2023 03:50:51 ( -81.19,-116.37) 06/30/2023 03:50:38 ( -81.18,-116.51) 2.40 13 06/30/2023 04:41:36 ( 81.19, 50.80) 06/30/2023 04:41:23 ( 81.18, 50.98) 3.14 13 06/30/2023 05:32:21 ( -81.19,-141.80) 06/30/2023 05:32:09 ( -81.18,-141.70) 1.61 12 06/30/2023 06:23:05 ( 81.18, 25.76) 06/30/2023 06:22:54 ( 81.18, 25.79) 0.64 11 06/30/2023 07:13:50 ( -81.18,-166.84) 06/30/2023 07:13:40 ( -81.18,-166.90) 1.16 10 06/30/2023 08:04:35 ( 81.18, 0.33) 06/30/2023 08:04:26 ( 81.18, 0.21) 2.12 9 06/30/2023 08:55:21 ( -81.19, 167.35) 06/30/2023 08:55:12 ( -81.18, 167.52) 2.96 9 06/30/2023 09:46:05 ( 81.18, -25.09) 06/30/2023 09:45:57 ( 81.18, -24.98) 1.87 8 06/30/2023 10:36:50 ( -81.18, 142.31) 06/30/2023 10:36:43 ( -81.18, 142.33) 0.46 7 06/30/2023 11:27:35 ( 81.19, -50.52) 06/30/2023 11:27:29 ( 81.18, -50.56) 0.78 6 06/30/2023 12:18:20 ( -81.18, 116.88) 06/30/2023 12:18:15 ( -81.18, 116.75) 2.32 5 06/30/2023 13:09:05 ( 81.19, -75.95) 06/30/2023 13:09:00 ( 81.18, -75.76) 3.22 5 06/30/2023 13:59:50 ( -81.18, 91.46) 06/30/2023 13:59:46 ( -81.18, 91.55) 1.63 4 06/30/2023 14:50:35 ( 81.19,-101.37) 06/30/2023 14:50:32 ( 81.18,-101.34) 0.74 3 06/30/2023 15:41:20 ( -81.19, 66.03) 06/30/2023 15:41:18 ( -81.18, 65.97) 1.02 2 06/30/2023 16:32:04 ( 81.18,-126.42) 06/30/2023 16:32:03 ( 81.18,-126.53) 2.04 1 06/30/2023 17:22:50 ( -81.19, 40.61) 06/30/2023 17:22:49 ( -81.18, 40.78) 2.95 1 06/30/2023 18:13:34 ( 81.18,-151.84) 06/30/2023 18:13:34 ( 81.18,-151.72) 2.07 0 06/30/2023 19:04:20 ( -81.19, 15.18) 06/30/2023 19:04:21 ( -81.18, 15.20) 0.57 1 06/30/2023 19:55:04 ( 81.18,-177.27) 06/30/2023 19:55:06 ( 81.18,-177.30) 0.67 2 06/30/2023 20:45:49 ( -81.18, -9.86) 06/30/2023 20:45:52 ( -81.18, -9.99) 2.31 3 06/30/2023 21:36:34 ( 81.18, 157.31) 06/30/2023 21:36:38 ( 81.18, 157.12) 3.26 4 06/30/2023 22:27:19 ( -81.18, -35.29) 06/30/2023 22:27:23 ( -81.18, -35.19) 1.75 4 06/30/2023 23:18:04 ( 81.18, 131.88) 06/30/2023 23:18:09 ( 81.18, 131.92) 0.73 5 07/01/2023 00:08:49 ( -81.18, -60.71) 07/01/2023 00:08:55 ( -81.18, -60.77) 0.97 6 07/01/2023 00:59:34 ( 81.19, 106.45) 07/01/2023 00:59:41 ( 81.18, 106.34) 1.93 7 07/01/2023 01:50:19 ( -81.18, -86.14) 07/01/2023 01:50:26 ( -81.18, -85.96) 3.01 7 07/01/2023 02:41:04 ( 81.19, 81.03) 07/01/2023 02:41:12 ( 81.18, 81.15) 2.10 8 07/01/2023 03:31:49 ( -81.18,-111.56) 07/01/2023 03:31:58 ( -81.18,-111.54) 0.37 9 07/01/2023 04:22:34 ( 81.19, 55.60) 07/01/2023 04:22:44 ( 81.18, 55.57) 0.80 10 07/01/2023 05:13:19 ( -81.19,-136.99) 07/01/2023 05:13:30 ( -81.18,-137.12) 2.29 11 07/01/2023 06:04:02 ( 81.18, 30.56) 07/01/2023 06:04:14 ( 81.18, 30.38) 3.15 12 07/01/2023 06:54:48 ( -81.19,-162.41) 07/01/2023 06:55:00 ( -81.18,-162.32) 1.71 12 07/01/2023 07:45:32 ( 81.18, 5.13) 07/01/2023 07:45:45 ( 81.18, 5.18) 0.93 13 07/01/2023 08:36:17 ( -81.18, 172.54) 07/01/2023 08:36:31 ( -81.18, 172.49) 1.08 14 07/01/2023 09:27:02 ( 81.18, -20.29) 07/01/2023 09:27:17 ( 81.18, -20.40) 1.77 15 07/01/2023 10:17:48 ( -81.19, 146.74) 07/01/2023 10:18:03 ( -81.18, 146.91) 3.06 15 07/01/2023 11:08:32 ( 81.18, -45.72) 07/01/2023 11:08:48 ( 81.18, -45.59) 2.21 16 07/01/2023 11:59:17 ( -81.18, 121.69) 07/01/2023 11:59:34 ( -81.18, 121.72) 0.54 17 07/01/2023 12:50:02 ( 81.19, -71.15) 07/01/2023 12:50:20 ( 81.18, -71.17) 0.46 18 07/01/2023 13:40:47 ( -81.18, 96.27) 07/01/2023 13:41:06 ( -81.18, 96.14) 2.21 19 07/01/2023 14:31:32 ( 81.19, -96.57) 07/01/2023 14:31:52 ( 81.18, -96.75) 3.08 20 07/01/2023 15:22:17 ( -81.18, 70.84) 07/01/2023 15:22:37 ( -81.18, 70.94) 1.74 20 07/01/2023 16:13:02 ( 81.19,-122.00) 07/01/2023 16:13:23 ( 81.18,-121.95) 1.04 21 07/01/2023 17:03:47 ( -81.19, 45.41) 07/01/2023 17:04:09 ( -81.18, 45.36) 0.92 22 07/01/2023 17:54:31 ( 81.18,-147.04) 07/01/2023 17:54:54 ( 81.18,-147.14) 1.71 23 07/01/2023 18:45:17 ( -81.19, 19.99) 07/01/2023 18:45:40 ( -81.18, 20.17) 3.06 23 07/01/2023 19:36:01 ( 81.18,-172.47) 07/01/2023 19:36:25 ( 81.18,-172.33) 2.39 24 07/01/2023 20:26:47 ( -81.19, -5.44) 07/01/2023 20:27:12 ( -81.18, -5.41) 0.63 25 07/01/2023 21:17:31 ( 81.18, 162.10) 07/01/2023 21:17:57 ( 81.18, 162.09) 0.36 26 07/01/2023 22:08:16 ( -81.18, -30.48) 07/01/2023 22:08:43 ( -81.18, -30.61) 2.21 27 07/01/2023 22:59:01 ( 81.18, 136.68) 07/01/2023 22:59:29 ( 81.18, 136.51) 2.92 28 07/01/2023 23:49:46 ( -81.18, -55.91) 07/01/2023 23:50:14 ( -81.18, -55.80) 1.85 28 07/02/2023 00:40:31 ( 81.18, 111.25) 07/02/2023 00:41:00 ( 81.18, 111.31) 1.06 29 07/02/2023 01:31:16 ( -81.18, -81.33) 07/02/2023 01:31:46 ( -81.18, -81.38) 0.87 30