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: 9/20/2023
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 09/21/2023 00:16:17 69.97, 172.04 68.99 09/21/2023 00:16:47 69.94, 172.07 68.96 3.33 30
2 09/21/2023 01:06:58 -69.84, -20.45 111.13 09/21/2023 01:06:17 -69.83, -20.46 111.14 1.49 41
3 09/23/2023 15:42:33 -70.35, 119.91 109.60 09/23/2023 15:43:44 -70.28, 120.80 109.68 34.02 71
4 09/23/2023 16:33:11 69.91, -72.10 69.97 09/23/2023 16:33:16 69.91, -72.09 69.97 0.48 5
5 09/23/2023 17:23:52 -69.78, 95.41 110.16 09/23/2023 17:22:46 -69.79, 95.38 110.14 2.32 66
6 09/26/2023 07:59:21 -69.98,-123.75 108.93 09/26/2023 08:00:17 -70.00,-123.72 108.92 2.15 56
7 09/26/2023 08:50:05 69.86, 43.74 70.96 09/26/2023 08:49:45 69.83, 43.69 70.94 3.27 20
8 09/26/2023 09:40:34 -69.09,-147.83 109.81 09/26/2023 09:39:25 -69.17,-149.56 109.71 69.19 69
9 09/29/2023 00:16:15 -69.94, -7.92 107.94 09/29/2023 00:16:45 -69.95, -7.90 107.93 1.32 30
10 09/29/2023 01:06:59 69.82, 159.57 71.96 09/29/2023 01:06:12 69.84, 159.59 71.98 2.00 47
11 10/01/2023 15:42:29 70.16, -59.80 73.32 10/01/2023 15:43:40 70.08, -59.46 73.23 15.64 71
12 10/01/2023 16:33:08 -69.91, 107.90 106.93 10/01/2023 16:33:11 -69.92, 107.95 106.92 2.35 3
13 10/01/2023 17:23:51 69.74, -84.54 72.92 10/01/2023 17:22:39 69.75, -84.64 72.93 3.77 72

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/20/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230920.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 09/20/2023 in txt file.

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