Simultaneous Nadir Overpasses (SNOs) between FY3D and NPP TLE Epoch: 2021 5 18. Predictions up to the next 14.0 days: Date Time(FY3D) FY3D Lat/Lon Date Time(NPP) NPP Lat/Lon Distance(km) Time Diff(sec) 05/18/2021 02:28:16 ( -81.24, -98.70) 05/18/2021 02:29:13 ( -81.24, -98.75) 0.83 57 05/18/2021 03:19:00 ( 81.23, 68.97) 05/18/2021 03:19:57 ( 81.23, 68.92) 0.93 57 05/18/2021 04:09:45 ( -81.24,-124.09) 05/18/2021 04:10:43 ( -81.24,-124.14) 0.91 58 05/18/2021 05:00:29 ( 81.23, 43.58) 05/18/2021 05:01:27 ( 81.23, 43.52) 1.02 58 05/18/2021 05:51:14 ( -81.24,-149.47) 05/18/2021 05:52:13 ( -81.24,-149.53) 0.99 59 05/18/2021 06:41:58 ( 81.23, 18.20) 05/18/2021 06:42:57 ( 81.23, 18.13) 1.10 59 05/18/2021 07:32:42 ( -81.23,-174.47) 05/18/2021 07:33:42 ( -81.23,-174.53) 1.07 60 05/18/2021 08:23:27 ( 81.23, -7.19) 05/18/2021 08:24:27 ( 81.23, -7.26) 1.19 60 05/18/2021 09:14:11 ( -81.23, 160.14) 05/18/2021 09:15:12 ( -81.23, 160.07) 1.15 61 05/18/2021 10:04:56 ( 81.23, -32.58) 05/18/2021 10:05:57 ( 81.23, -32.65) 1.27 61 05/18/2021 10:55:40 ( -81.23, 134.76) 05/18/2021 10:56:42 ( -81.23, 134.68) 1.23 62 05/18/2021 11:46:25 ( 81.23, -57.96) 05/18/2021 11:47:27 ( 81.23, -58.04) 1.35 62 05/18/2021 12:37:09 ( -81.23, 109.37) 05/18/2021 12:38:12 ( -81.23, 109.29) 1.30 63 05/18/2021 13:27:54 ( 81.23, -83.35) 05/18/2021 13:28:57 ( 81.23, -83.44) 1.44 63 05/18/2021 14:18:38 ( -81.23, 83.98) 05/18/2021 14:19:42 ( -81.23, 83.90) 1.38 64 05/18/2021 15:09:23 ( 81.23,-108.74) 05/18/2021 15:10:27 ( 81.23,-108.83) 1.53 64 05/18/2021 16:00:07 ( -81.23, 58.59) 05/18/2021 16:01:12 ( -81.23, 58.51) 1.46 65 05/18/2021 16:50:52 ( 81.23,-134.13) 05/18/2021 16:51:57 ( 81.23,-134.22) 1.61 65 05/18/2021 17:41:36 ( -81.23, 33.21) 05/18/2021 17:42:42 ( -81.23, 33.12) 1.54 66 05/18/2021 18:32:21 ( 81.23,-159.51) 05/18/2021 18:33:27 ( 81.23,-159.61) 1.70 66 05/18/2021 19:23:05 ( -81.23, 7.82) 05/18/2021 19:24:12 ( -81.23, 7.73) 1.62 67 05/18/2021 20:13:50 ( 81.23, 175.10) 05/18/2021 20:14:57 ( 81.23, 174.99) 1.78 67 05/18/2021 21:04:34 ( -81.23, -17.57) 05/18/2021 21:05:42 ( -81.23, -17.67) 1.70 68 05/18/2021 21:55:19 ( 81.23, 149.71) 05/18/2021 21:56:27 ( 81.24, 149.60) 1.87 68 05/18/2021 22:46:03 ( -81.23, -42.95) 05/18/2021 22:47:12 ( -81.23, -43.06) 1.78 69 05/18/2021 23:36:48 ( 81.23, 124.32) 05/18/2021 23:37:57 ( 81.24, 124.21) 1.96 69 05/19/2021 00:27:32 ( -81.23, -68.34) 05/19/2021 00:28:42 ( -81.23, -68.45) 1.86 70 05/19/2021 01:18:17 ( 81.23, 98.94) 05/19/2021 01:19:27 ( 81.24, 98.82) 2.04 70 05/19/2021 02:09:01 ( -81.23, -93.73) 05/19/2021 02:10:12 ( -81.23, -93.84) 1.95 71 05/19/2021 02:59:46 ( 81.23, 73.55) 05/19/2021 03:00:57 ( 81.24, 73.43) 2.13 71 05/19/2021 03:50:30 ( -81.23,-119.11) 05/19/2021 03:51:42 ( -81.24,-119.23) 2.03 72 05/19/2021 04:41:15 ( 81.23, 48.16) 05/19/2021 04:42:27 ( 81.24, 48.03) 2.22 72 05/19/2021 05:31:59 ( -81.23,-144.50) 05/19/2021 05:33:12 ( -81.24,-144.62) 2.11 73 05/19/2021 06:22:44 ( 81.23, 22.78) 05/19/2021 06:23:57 ( 81.24, 22.64) 2.31 73 05/19/2021 07:13:28 ( -81.23,-169.89) 05/19/2021 07:14:42 ( -81.24,-170.01) 2.19 74 05/19/2021 08:04:13 ( 81.24, -2.61) 05/19/2021 08:05:27 ( 81.24, -2.75) 2.39 74 05/19/2021 08:54:57 ( -81.23, 164.73) 05/19/2021 08:56:12 ( -81.24, 164.59) 2.27 75 05/19/2021 09:45:42 ( 81.24, -28.00) 05/19/2021 09:46:57 ( 81.24, -28.14) 2.48 75