Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and FY3D TLE Epoch: 2023 7 1. 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) 07/01/2023 00:59:33 ( 81.18, 106.60) 07/01/2023 00:59:40 ( 81.18, 106.52) 1.33 7 07/01/2023 01:50:18 ( -81.18, -86.08) 07/01/2023 01:50:26 ( -81.18, -86.27) 3.21 8 07/01/2023 02:41:03 ( 81.18, 81.17) 07/01/2023 02:41:11 ( 81.18, 81.33) 2.67 8 07/01/2023 03:31:48 ( -81.18,-111.51) 07/01/2023 03:31:57 ( -81.18,-111.46) 0.75 9 07/01/2023 04:22:33 ( 81.19, 55.74) 07/01/2023 04:22:43 ( 81.18, 55.75) 0.17 10 07/01/2023 05:13:18 ( -81.18,-136.93) 07/01/2023 05:13:29 ( -81.18,-137.04) 1.90 11 07/01/2023 06:04:03 ( 81.19, 30.32) 07/01/2023 06:04:15 ( 81.18, 30.16) 2.62 12 07/01/2023 06:54:48 ( -81.19,-162.36) 07/01/2023 06:55:00 ( -81.18,-162.24) 2.08 12 07/01/2023 07:45:33 ( 81.19, 4.89) 07/01/2023 07:45:46 ( 81.18, 4.97) 1.47 13 07/01/2023 08:36:18 ( -81.19, 172.21) 07/01/2023 08:36:32 ( -81.18, 172.18) 0.74 14 07/01/2023 09:27:02 ( 81.18, -20.16) 07/01/2023 09:27:17 ( 81.18, -20.22) 1.27 15 07/01/2023 10:17:47 ( -81.18, 147.17) 07/01/2023 10:18:03 ( -81.18, 146.98) 3.16 16 07/01/2023 11:08:33 ( 81.19, -45.97) 07/01/2023 11:08:49 ( 81.18, -45.81) 2.86 16 07/01/2023 11:59:17 ( -81.18, 121.74) 07/01/2023 11:59:34 ( -81.18, 121.79) 0.94 17 07/01/2023 12:50:02 ( 81.18, -71.01) 07/01/2023 12:50:20 ( 81.18, -71.00) 0.29 18 07/01/2023 13:40:47 ( -81.18, 96.31) 07/01/2023 13:41:06 ( -81.18, 96.21) 1.81 19 07/01/2023 14:31:32 ( 81.18, -96.44) 07/01/2023 14:31:52 ( 81.18, -96.58) 2.43 20 07/01/2023 15:22:17 ( -81.18, 70.89) 07/01/2023 15:22:37 ( -81.18, 71.01) 2.16 20 07/01/2023 16:13:02 ( 81.18,-121.87) 07/01/2023 16:13:23 ( 81.18,-121.78) 1.56 21 07/01/2023 17:03:47 ( -81.18, 45.46) 07/01/2023 17:04:09 ( -81.18, 45.43) 0.49 22 07/01/2023 17:54:31 ( 81.19,-147.29) 07/01/2023 17:54:54 ( 81.18,-147.36) 1.12 23 07/01/2023 18:45:16 ( -81.19, 20.03) 07/01/2023 18:45:40 ( -81.18, 19.85) 3.13 24 07/01/2023 19:36:01 ( 81.19,-172.72) 07/01/2023 19:36:25 ( 81.18,-172.55) 2.94 24 07/01/2023 20:26:46 ( -81.19, -5.39) 07/01/2023 20:27:11 ( -81.18, -5.35) 0.93 25 07/01/2023 21:17:30 ( 81.18, 162.23) 07/01/2023 21:17:56 ( 81.18, 162.25) 0.69 26 07/01/2023 22:08:15 ( -81.18, -30.44) 07/01/2023 22:08:42 ( -81.18, -30.54) 1.81 27 07/01/2023 22:59:00 ( 81.18, 136.80) 07/01/2023 22:59:28 ( 81.18, 136.67) 2.29 28 07/01/2023 23:49:46 ( -81.19, -56.25) 07/01/2023 23:50:14 ( -81.18, -56.12) 2.27 28 07/02/2023 00:40:30 ( 81.18, 111.38) 07/02/2023 00:40:59 ( 81.18, 111.48) 1.74 29 07/02/2023 01:31:15 ( -81.18, -81.29) 07/02/2023 01:31:45 ( -81.18, -81.32) 0.49 30 07/02/2023 02:22:00 ( 81.18, 85.95) 07/02/2023 02:22:31 ( 81.18, 85.89) 0.91 31 07/02/2023 03:12:45 ( -81.18,-106.72) 07/02/2023 03:13:17 ( -81.18,-106.90) 3.03 32 07/02/2023 04:03:30 ( 81.18, 60.52) 07/02/2023 04:04:02 ( 81.18, 60.70) 3.08 32 07/02/2023 04:54:15 ( -81.18,-132.15) 07/02/2023 04:54:48 ( -81.18,-132.09) 0.93 33 07/02/2023 05:45:00 ( 81.19, 35.09) 07/02/2023 05:45:34 ( 81.18, 35.12) 0.52 34 07/02/2023 06:35:45 ( -81.19,-157.58) 07/02/2023 06:36:20 ( -81.18,-157.68) 1.73 35 07/02/2023 07:26:29 ( 81.18, 10.05) 07/02/2023 07:27:05 ( 81.18, 9.92) 2.22 36 07/02/2023 08:17:15 ( -81.19, 177.00) 07/02/2023 08:17:51 ( -81.18, 177.13) 2.27 36 07/02/2023 09:08:00 ( 81.19, -15.76) 07/02/2023 09:08:37 ( 81.18, -15.66) 1.89 37 07/02/2023 09:58:45 ( -81.19, 151.57) 07/02/2023 09:59:23 ( -81.18, 151.55) 0.67 38 07/02/2023 10:49:29 ( 81.18, -40.81) 07/02/2023 10:50:08 ( 81.18, -40.85) 0.85 39 07/02/2023 11:40:14 ( -81.18, 126.52) 07/02/2023 11:40:54 ( -81.18, 126.35) 2.97 40 07/02/2023 12:30:59 ( 81.18, -66.24) 07/02/2023 12:31:39 ( 81.18, -66.05) 3.26 40 07/02/2023 13:21:44 ( -81.18, 101.10) 07/02/2023 13:22:25 ( -81.18, 101.16) 1.08 41 07/02/2023 14:12:29 ( 81.18, -91.67) 07/02/2023 14:13:11 ( 81.18, -91.63) 0.62 42 07/02/2023 15:03:14 ( -81.18, 75.67) 07/02/2023 15:03:57 ( -81.18, 75.57) 1.62 43 07/02/2023 15:53:59 ( 81.18,-117.09) 07/02/2023 15:54:43 ( 81.18,-117.21) 2.02 44 07/02/2023 16:44:44 ( -81.18, 50.24) 07/02/2023 16:45:28 ( -81.18, 50.38) 2.34 44 07/02/2023 17:35:29 ( 81.19,-142.52) 07/02/2023 17:36:14 ( 81.18,-142.41) 1.98 45 07/02/2023 18:26:14 ( -81.19, 24.81) 07/02/2023 18:27:00 ( -81.18, 24.80) 0.34 46 07/02/2023 19:16:59 ( 81.19,-167.95) 07/02/2023 19:17:46 ( 81.18,-167.99) 0.79 47 07/02/2023 20:07:43 ( -81.18, -0.23) 07/02/2023 20:08:31 ( -81.18, -0.40) 2.96 48 07/02/2023 20:58:28 ( 81.18, 167.00) 07/02/2023 20:59:17 ( 81.18, 166.82) 3.25 49 07/02/2023 21:49:14 ( -81.19, -26.04) 07/02/2023 21:50:03 ( -81.18, -25.98) 1.13 49 07/02/2023 22:39:58 ( 81.18, 141.57) 07/02/2023 22:40:48 ( 81.18, 141.62) 0.91 50 07/02/2023 23:30:43 ( -81.18, -51.09) 07/02/2023 23:31:34 ( -81.18, -51.18) 1.61 51 07/03/2023 00:21:28 ( 81.18, 116.15) 07/03/2023 00:22:20 ( 81.18, 116.04) 1.86 52 07/03/2023 01:12:13 ( -81.18, -76.51) 07/03/2023 01:13:05 ( -81.18, -76.37) 2.47 52 07/03/2023 02:02:58 ( 81.18, 90.72) 07/03/2023 02:03:51 ( 81.18, 90.84) 2.14 53 07/03/2023 02:53:43 ( -81.18,-101.94) 07/03/2023 02:54:37 ( -81.18,-101.95) 0.28 54 07/03/2023 03:44:28 ( 81.18, 65.29) 07/03/2023 03:45:23 ( 81.18, 65.26) 0.50 55 07/03/2023 04:35:13 ( -81.18,-127.37) 07/03/2023 04:36:09 ( -81.18,-127.54) 2.84 56 07/03/2023 05:25:58 ( 81.19, 39.86) 07/03/2023 05:26:55 ( 81.18, 39.68) 3.14 57 07/03/2023 06:16:43 ( -81.18,-152.80) 07/03/2023 06:17:40 ( -81.18,-152.73) 1.12 57 07/03/2023 07:07:28 ( 81.19, 14.43) 07/03/2023 07:08:26 ( 81.18, 14.48) 0.95 58 07/03/2023 07:58:13 ( -81.19,-178.23) 07/03/2023 07:59:12 ( -81.18,-178.31) 1.56 59 07/03/2023 08:48:57 ( 81.18, -10.61) 07/03/2023 08:49:57 ( 81.18, -10.71) 1.78 60 07/03/2023 09:39:43 ( -81.19, 156.35) 07/03/2023 09:40:43 ( -81.18, 156.49) 2.47 60 07/03/2023 10:30:28 ( 81.19, -36.42) 07/03/2023 10:31:29 ( 81.18, -36.30) 2.33 61 07/03/2023 11:21:12 ( -81.18, 131.30) 07/03/2023 11:22:14 ( -81.18, 131.29) 0.57 62 07/03/2023 12:11:57 ( 81.18, -61.47) 07/03/2023 12:13:00 ( 81.18, -61.49) 0.43 63 07/03/2023 13:02:42 ( -81.18, 105.87) 07/03/2023 13:03:46 ( -81.18, 105.71) 2.77 64 07/03/2023 13:53:27 ( 81.18, -86.90) 07/03/2023 13:54:32 ( 81.18, -87.07) 2.95 65 07/03/2023 14:44:12 ( -81.18, 80.44) 07/03/2023 14:45:17 ( -81.18, 80.52) 1.24 65 07/03/2023 15:34:57 ( 81.18,-112.33) 07/03/2023 15:36:03 ( 81.18,-112.27) 1.03 66 07/03/2023 16:25:42 ( -81.18, 55.02) 07/03/2023 16:26:49 ( -81.18, 54.93) 1.42 67 07/03/2023 17:16:27 ( 81.19,-137.76) 07/03/2023 17:17:35 ( 81.18,-137.85) 1.62 68 07/03/2023 18:07:12 ( -81.18, 29.59) 07/03/2023 18:08:20 ( -81.18, 29.74) 2.53 68 07/03/2023 18:57:57 ( 81.19,-163.19) 07/03/2023 18:59:06 ( 81.18,-163.05) 2.42 69 07/03/2023 19:48:42 ( -81.19, 4.16) 07/03/2023 19:49:52 ( -81.18, 4.16) 0.30 70 07/03/2023 20:39:27 ( 81.19, 171.39) 07/03/2023 20:40:38 ( 81.18, 171.37) 0.61 71 07/03/2023 21:30:10 ( -81.18, -20.89) 07/03/2023 21:31:22 ( -81.18, -21.04) 2.74 72 07/03/2023 22:20:55 ( 81.18, 146.34) 07/03/2023 22:22:08 ( 81.18, 146.18) 2.82 73 07/03/2023 23:11:41 ( -81.19, -46.69) 07/03/2023 23:12:54 ( -81.18, -46.62) 1.35 73 07/04/2023 00:02:25 ( 81.18, 120.91) 07/04/2023 00:03:39 ( 81.18, 120.98) 1.24 74 07/04/2023 00:53:10 ( -81.18, -71.74) 07/04/2023 00:54:25 ( -81.18, -71.82) 1.38 75