Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8 TLE Epoch: 2023 5 7. Predictions up to the next 14.0 days: Date Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon Distance(km) Time Diff(sec) 05/07/2023 23:26:08 ( 70.14,-175.48) 05/07/2023 23:26:36 ( 70.12,-175.44) 2.32 28 05/08/2023 00:16:49 ( -70.00, -7.96) 05/08/2023 00:16:06 ( -70.01, -7.97) 0.45 43 05/10/2023 14:52:22 ( -70.34, 132.66) 05/10/2023 14:53:34 ( -70.27, 133.01) 15.11 72 05/10/2023 15:43:03 ( 70.06, -59.60) 05/10/2023 15:43:03 ( 70.05, -59.66) 2.19 0 05/10/2023 16:33:45 ( -69.97, 107.85) 05/10/2023 16:32:32 ( -69.99, 107.90) 3.18 73 05/13/2023 07:09:15 ( -70.16,-111.30) 05/13/2023 07:10:01 ( -70.17,-111.25) 2.35 46 05/13/2023 07:59:59 ( 70.04, 56.19) 05/13/2023 07:59:28 ( 70.06, 56.24) 2.98 31 05/15/2023 22:35:40 ( 70.82,-163.90) 05/15/2023 22:36:48 ( 70.69,-162.23) 63.07 68 05/15/2023 23:26:10 ( -70.09, 4.56) 05/15/2023 23:26:27 ( -70.09, 4.53) 1.29 17 05/16/2023 00:16:54 ( 69.98, 172.05) 05/16/2023 00:15:54 ( 69.97, 172.01) 1.28 60 05/18/2023 14:52:23 ( 70.19, -47.14) 05/18/2023 14:53:20 ( 70.19, -47.07) 2.69 57 05/18/2023 15:43:04 ( -70.04, 120.40) 05/18/2023 15:42:51 ( -70.03, 120.34) 2.79 13 05/18/2023 16:33:37 ( 69.34, -71.26) 05/18/2023 16:32:28 ( 69.36, -72.93) 65.44 69 8/2023 05:23:17 ( -80.74,-157.61) 05/18/2023 05:23:19 ( -80.74,-157.76) 2.79 2 05/18/2023 06:14:10 ( 80.58, 6.83) 05/18/2023 06:14:12 ( 80.57, 6.69) 2.73 2 05/18/2023 07:04:48 ( -80.75, 177.15) 05/18/2023 07:04:50 ( -80.74, 177.01) 2.66 2 05/18/2023 07:55:39 ( 80.63, -17.73) 05/18/2023 07:55:41 ( 80.62, -17.87) 2.61 2 05/18/2023 08:46:18 ( -80.77, 152.27) 05/18/2023 08:46:20 ( -80.77, 152.13) 2.54 2 05/18/2023 09:37:09 ( 80.66, -42.62) 05/18/2023 09:37:11 ( 80.65, -42.75) 2.48 2 05/18/2023 10:27:48 ( -80.80, 127.39) 05/18/2023 10:27:50 ( -80.79, 127.26) 2.41 2 05/18/2023 11:18:39 ( 80.69, -67.51) 05/18/2023 11:18:41 ( 80.68, -67.64) 2.35 2 05/18/2023 12:09:18 ( -80.82, 102.51) 05/18/2023 12:09:20 ( -80.82, 102.38) 2.28 2 05/18/2023 13:00:08 ( 80.73, -92.05) 05/18/2023 13:00:10 ( 80.72, -92.17) 2.23 2 05/18/2023 13:50:48 ( -80.84, 77.63) 05/18/2023 13:50:50 ( -80.84, 77.51) 2.15 2 05/18/2023 14:41:37 ( 80.77,-116.58) 05/18/2023 14:41:39 ( 80.77,-116.70) 2.10 2 05/18/2023 15:32:18 ( -80.87, 52.76) 05/18/2023 15:32:20 ( -80.86, 52.65) 2.02 2 05/18/2023 16:23:06 ( 80.81,-141.11) 05/18/2023 16:23:08 ( 80.81,-141.21) 1.97 2 05/18/2023 17:13:47 ( -80.90, 28.25) 05/18/2023 17:13:49 ( -80.90, 28.14) 1.90 2 05/18/2023 18:04:35 ( 80.85,-165.62) 05/18/2023 18:04:37 ( 80.85,-165.72) 1.84 2 05/18/2023 18:55:17 ( -80.92, 3.38) 05/18/2023 18:55:19 ( -80.92, 3.28) 1.77 2 05/18/2023 19:46:04 ( 80.89, 169.87) 05/18/2023 19:46:06 ( 80.89, 169.78) 1.71 2 05/18/2023 20:36:46 ( -80.96, -21.12) 05/18/2023 20:36:48 ( -80.95, -21.21) 1.63 2 05/18/2023 21:27:33 ( 80.92, 145.37) 05/18/2023 21:27:35 ( 80.92, 145.28) 1.57 2 05/18/2023 22:18:16 ( -80.97, -45.98) 05/18/2023 22:18:18 ( -80.97, -46.06) 1.50 2 05/18/2023 23:09:02 ( 80.96, 120.87) 05/18/2023 23:09:04 ( 80.95, 120.79) 1.44 2 05/18/2023 23:59:45 ( -81.00, -70.47) 05/18/2023 23:59:47 ( -81.00, -70.55) 1.37 2 05/19/2023 00:50:30 ( 81.00, 96.76) 05/19/2023 00:50:32 ( 81.00, 96.68) 1.31 2 05/19/2023 01:41:14 ( -81.03, -94.95) 05/19/2023 01:41:16 ( -81.03, -95.02) 1.24 2 05/19/2023 02:31:59 ( 81.03, 72.28) 05/19/2023 02:32:01 ( 81.03, 72.21) 1.17 2 05/19/2023 03:22:42 ( -81.07,-119.06) 05/19/2023 03:22:44 ( -81.06,-119.12) 1.10 2 05/19/2023 04:13:27 ( 81.06, 48.18) 05/19/2023 04:13:29 ( 81.06, 48.12) 1.04 2 05/19/2023 05:04:11 ( -81.09,-143.53) 05/19/2023 05:04:13 ( -81.09,-143.59) 0.97 2 05/19/2023 05:54:55 ( 81.09, 24.09) 05/19/2023 05:54:57 ( 81.09, 24.04) 0.90 2 05/19/2023 06:45:39 ( -81.11,-167.62) 05/19/2023 06:45:41 ( -81.11,-167.67) 0.83 2 05/19/2023 07:36:23 ( 81.12, 0.01) 05/19/2023 07:36:25 ( 81.12, -0.04) 0.77 2 05/19/2023 08:27:08 ( -81.13, 167.92) 05/19/2023 08:27:10 ( -81.13, 167.88) 0.70 2 05/19/2023 09:17:52 ( 81.14, -24.45) 05/19/2023 09:17:54 ( 81.14, -24.49) 0.63 2 05/19/2023 10:08:36 ( -81.15, 143.84) 05/19/2023 10:08:38 ( -81.15, 143.81) 0.56 2 05/19/2023 10:59:20 ( 81.16, -48.52) 05/19/2023 10:59:22 ( 81.16, -48.55) 0.49 2 05/19/2023 11:50:04 ( -81.17, 119.77) 05/19/2023 11:50:06 ( -81.17, 119.75) 0.42 2 05/19/2023 12:40:48 ( 81.17, -72.59) 05/19/2023 12:40:50 ( 81.17, -72.61) 0.35 2 05/19/2023 13:31:32 ( -81.18, 95.70) 05/19/2023 13:31:34 ( -81.18, 95.69) 0.28 2 05/19/2023 14:22:14 ( 81.18, -96.26) 05/19/2023 14:22:16 ( 81.18, -96.27) 0.21 2 05/19/2023 15:12:59 ( -81.19, 71.64) 05/19/2023 15:13:01 ( -81.19, 71.63) 0.14 2 05/19/2023 16:03:42 ( 81.19,-120.32) 05/19/2023 16:03:44 ( 81.19,-120.32) 0.07 2 05/19/2023 16:54:27 ( -81.19, 47.58) 05/19/2023 16:54:29 ( -81.19, 47.58) 0.00 2 05/19/2023 17:45:10 ( 81.19,-144.37) 05/19/2023 17:45:12 ( 81.19,-144.37) 0.07 2 05/19/2023 18:35:55 ( -81.19, 23.51) 05/19/2023 18:35:57 ( -81.19, 23.52) 0.14 2 05/19/2023 19:26:38 ( 81.18,-168.43) 05/19/2023 19:26:40 ( 81.18,-168.42) 0.21 2 05/19/2023 20:17:23 ( -81.18, -0.55) 05/19/2023 20:17:25 ( -81.18, -0.53) 0.28 2 05/19/2023 21:08:06 ( 81.17, 167.51) 05/19/2023 21:08:08 ( 81.17, 167.53) 0.35 2 05/19/2023 21:58:50 ( -81.16, -24.23) 05/19/2023 21:58:52 ( -81.16, -24.21) 0.42 2 05/19/2023 22:49:33 ( 81.16, 143.83) 05/19/2023 22:49:35 ( 81.16, 143.86) 0.50 2 05/19/2023 23:40:18 ( -81.15, -48.31) 05/19/2023 23:40:20 ( -81.15, -48.27) 0.56 2 05/20/2023 00:31:01 ( 81.14, 119.76) 05/20/2023 00:31:03 ( 81.14, 119.79) 0.64 2 05/20/2023 01:21:46 ( -81.13, -72.38) 05/20/2023 01:21:48 ( -81.13, -72.34) 0.71 2 05/20/2023 02:12:29 ( 81.11, 95.68) 05/20/2023 02:12:31 ( 81.11, 95.73) 0.78 2 05/20/2023 03:03:13 ( -81.09, -96.09) 05/20/2023 03:03:15 ( -81.09, -96.04) 0.85 2 05/20/2023 03:53:56 ( 81.07, 71.98) 05/20/2023 03:53:58 ( 81.07, 72.03) 0.93 2 05/20/2023 04:44:41 ( -81.06,-120.19) 05/20/2023 04:44:43 ( -81.06,-120.13) 1.00 2 05/20/2023 05:35:24 ( 81.04, 47.88) 05/20/2023 05:35:26 ( 81.04, 47.94) 1.08 2 05/20/2023 06:26:08 ( -81.01,-143.92) 05/20/2023 06:26:10 ( -81.01,-143.85) 1.14 2 05/20/2023 07:16:52 ( 81.00, 23.77) 05/20/2023 07:16:54 ( 81.00, 23.84) 1.22 2 05/20/2023 08:07:36 ( -80.97,-168.04) 05/20/2023 08:07:38 ( -80.97,-167.96) 1.29 2 05/20/2023 08:58:20 ( 80.96, -0.34) 05/20/2023 08:58:22 ( 80.96, -0.27) 1.37 2 05/20/2023 09:49:04 ( -80.93, 167.83) 05/20/2023 09:49:06 ( -80.92, 167.91) 1.44 2