Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/25/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 07/26/2023 23:25:48 70.23,-175.65 50.93 07/26/2023 23:27:00 70.15,-175.26 50.82 16.93 72
2 07/27/2023 00:16:26 -69.93, -7.87 129.39 07/27/2023 00:16:32 -69.93, -7.93 129.38 2.76 6
3 07/27/2023 01:07:10 69.81, 159.61 50.50 07/27/2023 01:05:59 69.83, 159.57 50.53 2.43 71
4 07/29/2023 15:42:37 70.05, -59.60 51.35 07/29/2023 15:43:33 70.04, -59.55 51.33 2.38 56
5 07/29/2023 16:33:18 -69.90, 107.94 128.80 07/29/2023 16:33:03 -69.93, 107.94 128.77 3.19 15
6 07/29/2023 17:23:50 69.16, -83.67 50.43 07/29/2023 17:22:41 69.22, -85.39 50.57 68.22 69
7 08/01/2023 07:59:28 69.99, 56.28 51.94 08/01/2023 08:00:04 70.01, 56.29 51.95 2.41 36
8 08/01/2023 08:50:10 -69.89,-136.25 128.16 08/01/2023 08:49:34 -69.90,-136.22 128.14 2.14 36
9 08/03/2023 23:25:49 -70.76, 3.53 126.56 08/03/2023 23:26:57 -70.67, 5.49 126.75 72.86 68
10 08/04/2023 00:16:20 69.98, 172.07 52.62 08/04/2023 00:16:35 69.95, 172.09 52.59 3.32 15
11 08/04/2023 01:07:00 -69.83, -20.38 127.53 08/04/2023 01:06:04 -69.85, -20.41 127.50 2.87 56
12 08/06/2023 15:42:26 -70.03, 120.47 126.62 08/06/2023 15:43:37 -70.04, 120.46 126.62 1.69 71
13 08/06/2023 16:33:10 69.93, -72.07 53.29 08/06/2023 16:33:04 69.93, -72.06 53.28 0.61 6
14 08/06/2023 17:23:49 -69.67, 95.63 126.98 08/06/2023 17:22:36 -69.72, 95.29 126.91 14.42 73

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/25/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230726.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 07/25/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-8