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: 5/31/2025
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 06/02/2025 13:02:28 -70.28, 160.99 132.06 06/02/2025 13:01:14 -70.32, 160.96 132.02 4.08 74
2 06/02/2025 13:51:55 70.18, -31.51 47.84 06/02/2025 13:51:57 70.17, -31.51 47.84 0.68 2
3 06/02/2025 14:41:26 -70.01, 135.88 132.33 06/02/2025 14:42:38 -70.00, 136.07 132.35 7.38 72
4 06/05/2025 05:18:56 -70.25, -83.17 132.40 06/05/2025 05:18:09 -70.26, -83.17 132.39 0.88 47
5 06/05/2025 06:08:23 70.14, 84.32 47.49 06/05/2025 06:08:52 70.12, 84.36 47.47 3.25 29
6 06/07/2025 20:45:44 70.90,-133.93 47.98 06/07/2025 20:44:35 70.95,-135.85 48.08 69.92 69
7 06/07/2025 21:35:25 -70.20, 32.64 132.72 06/07/2025 21:35:05 -70.20, 32.68 132.71 1.77 20
8 06/07/2025 22:24:52 70.09,-159.87 47.18 06/07/2025 22:25:49 70.12,-159.87 47.20 3.42 57
9 06/10/2025 13:02:23 70.28, -18.98 47.16 06/10/2025 13:01:19 70.28, -18.98 47.16 0.35 64
10 06/10/2025 13:51:53 -70.18, 148.51 132.95 06/10/2025 13:52:01 -70.16, 148.53 132.97 2.56 8
11 06/10/2025 14:41:27 69.68, -44.55 46.57 06/10/2025 14:42:37 69.65, -43.40 46.51 44.70 70
12 06/13/2025 05:18:51 70.24, 96.86 46.95 06/13/2025 05:18:15 70.24, 96.86 46.96 0.16 36
13 06/13/2025 06:08:21 -70.14, -95.66 133.15 06/13/2025 06:08:57 -70.12, -95.64 133.18 2.73 36

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/31/2025
SNOs_Map_LANDSAT-8_NPP_20250531.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 05/31/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP