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: 8/19/2023
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 08/20/2023 00:16:05 69.98, 172.11 57.36 08/20/2023 00:16:41 69.96, 172.10 57.33 2.17 36
2 08/20/2023 01:06:46 -69.84, -20.36 122.78 08/20/2023 01:06:11 -69.85, -20.42 122.76 2.58 35
3 08/22/2023 15:42:27 -70.58, 119.64 121.15 08/22/2023 15:43:37 -70.46, 121.05 121.32 54.00 70
4 08/22/2023 16:33:01 69.93, -72.05 58.19 08/22/2023 16:33:12 69.92, -72.09 58.17 2.14 11
5 08/22/2023 17:23:43 -69.84, 95.40 121.89 08/22/2023 17:22:41 -69.86, 95.47 121.87 3.65 62
6 08/25/2023 07:59:12 -70.01,-123.72 120.83 08/25/2023 08:00:14 -70.01,-123.72 120.85 0.30 62
7 08/25/2023 08:49:56 69.89, 43.77 59.06 08/25/2023 08:49:41 69.90, 43.77 59.06 0.69 15
8 08/25/2023 09:40:29 -69.33,-148.09 121.52 08/25/2023 09:39:18 -69.41,-149.26 121.40 46.90 71
9 08/28/2023 00:16:08 -69.98, -7.92 119.94 08/28/2023 00:16:44 -69.97, -7.89 119.96 1.86 36
10 08/28/2023 01:06:52 69.87, 159.57 59.96 08/28/2023 01:06:11 69.86, 159.59 59.95 1.63 41
11 08/30/2023 15:42:28 70.38, -60.08 61.41 08/30/2023 15:43:39 70.28, -59.20 61.28 34.84 71
12 08/30/2023 16:33:03 -69.92, 107.95 119.06 08/30/2023 16:33:14 -69.90, 107.90 119.08 2.36 11
13 08/30/2023 17:23:47 69.80, -84.57 60.84 08/30/2023 17:22:41 69.79, -84.62 60.83 2.29 66

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/19/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230819.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 08/19/2023 in txt file.

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