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: 8/2/2025
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 08/02/2025 21:35:51 70.29,-147.24 52.75 08/02/2025 21:35:22 70.28,-147.31 52.75 2.97 29
2 08/02/2025 22:25:21 -70.18, 20.23 127.35 08/02/2025 22:26:03 -70.17, 20.18 127.36 2.37 42
3 08/05/2025 13:02:50 -70.68, 161.56 126.18 08/05/2025 13:01:39 -70.74, 160.42 126.07 42.33 71
4 08/05/2025 13:52:23 70.25, -31.43 53.42 08/05/2025 13:52:16 70.23, -31.45 53.41 2.05 7
5 08/05/2025 14:41:53 -70.14, 136.05 126.67 08/05/2025 14:42:57 -70.12, 136.04 126.70 2.58 64
6 08/08/2025 05:19:28 -70.29, -83.13 125.80 08/08/2025 05:18:26 -70.33, -83.13 125.76 3.65 62
7 08/08/2025 06:08:55 70.19, 84.36 54.11 08/08/2025 06:09:10 70.19, 84.39 54.11 1.38 15
8 08/08/2025 06:58:33 -69.64,-108.77 126.40 08/08/2025 06:59:43 -69.65,-107.47 126.45 50.27 70
9 08/10/2025 21:35:59 -70.27, 32.72 125.04 08/10/2025 21:35:20 -70.28, 32.72 125.03 1.07 39
10 08/10/2025 22:25:26 70.16,-159.80 54.86 08/10/2025 22:26:04 70.15,-159.77 54.85 1.92 38
11 08/13/2025 13:02:51 70.78, -18.29 56.24 08/13/2025 13:01:41 70.85, -19.73 56.36 53.28 70
12 08/13/2025 13:52:29 -70.24, 148.54 124.28 08/13/2025 13:52:13 -70.25, 148.56 124.26 0.94 16
13 08/13/2025 14:41:56 70.13, -43.97 55.63 08/13/2025 14:42:57 70.12, -43.94 55.62 1.74 61

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 8/2/2025
SNOs_Map_LANDSAT-8_NPP_20250802.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 08/02/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP