Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/27/2025
Index Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 07/28/2025 13:02:49 70.41, -18.83 51.54 07/28/2025 13:01:36 70.44, -19.13 51.60 12.08 73
2 07/28/2025 13:52:20 -70.24, 148.56 128.62 07/28/2025 13:52:15 -70.23, 148.53 128.63 1.95 5
3 07/28/2025 14:41:47 70.14, -43.94 51.30 07/28/2025 14:43:00 70.13, -44.02 51.29 3.04 73
4 07/31/2025 05:19:20 70.29, 96.88 52.07 07/31/2025 05:18:28 70.28, 96.91 52.07 1.48 52
5 07/31/2025 06:08:50 -70.18, -95.64 128.03 07/31/2025 06:09:09 -70.16, -95.59 128.05 2.44 19
6 07/31/2025 06:58:33 69.19, 70.65 51.05 07/31/2025 06:59:38 69.22, 73.10 50.98 96.94 65
7 08/02/2025 21:35:48 70.26,-147.27 52.72 08/02/2025 21:35:22 70.28,-147.31 52.74 2.17 26
8 08/02/2025 22:25:18 -70.15, 20.21 127.37 08/02/2025 22:26:03 -70.16, 20.19 127.37 0.72 45
9 08/05/2025 13:02:48 -70.43, 161.23 126.41 08/05/2025 13:01:35 -70.52, 160.78 126.30 18.98 73
10 08/05/2025 13:52:17 70.21, -31.45 53.39 08/05/2025 13:52:16 70.22, -31.45 53.40 1.22 1
11 08/05/2025 14:41:47 -70.11, 136.03 126.70 08/05/2025 14:42:57 -70.10, 136.06 126.72 1.12 70
12 08/08/2025 05:19:18 -70.32, -83.06 125.78 08/08/2025 05:18:26 -70.31, -83.11 125.77 2.14 52
13 08/08/2025 06:08:45 70.20, 84.42 54.13 08/08/2025 06:09:10 70.18, 84.40 54.10 2.80 25

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/27/2025
SNOs_Map_LANDSAT-8_NPP_20250727.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/27/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP