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: 11/26/2025
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 11/28/2025 03:40:40 -70.96, -57.46 87.81 11/28/2025 03:39:30 -70.97, -58.98 87.80 55.33 70
2 11/28/2025 04:30:16 70.37, 109.29 91.60 11/28/2025 04:30:05 70.35, 109.33 91.59 2.39 11
3 11/28/2025 05:19:46 -70.26, -83.24 88.51 11/28/2025 05:20:47 -70.29, -83.25 88.48 3.46 61
4 11/30/2025 19:57:17 -70.47, 57.67 87.87 11/30/2025 19:56:22 -70.46, 57.61 87.87 2.40 55
5 11/30/2025 20:46:45 70.30,-134.92 91.98 11/30/2025 20:47:06 70.31,-134.85 91.99 2.74 21
6 11/30/2025 21:36:27 -69.54, 31.64 88.79 11/30/2025 21:37:34 -69.51, 33.69 88.81 79.64 67
7 12/03/2025 11:24:03 71.20, 7.05 93.26 12/03/2025 11:22:56 71.28, 4.67 93.36 85.54 67
8 12/03/2025 12:13:46 -70.38, 173.43 87.56 12/03/2025 12:13:22 -70.38, 173.50 87.56 2.61 24
9 12/03/2025 13:03:13 70.27, -19.08 92.34 12/03/2025 13:04:07 70.29, -19.05 92.36 2.26 54
10 12/06/2025 03:40:42 70.48, 121.84 92.89 12/06/2025 03:39:41 70.48, 121.78 92.89 2.08 61
11 12/06/2025 04:30:12 -70.37, -70.69 87.22 12/06/2025 04:30:22 -70.35, -70.70 87.24 2.31 10
12 12/06/2025 05:19:48 69.77, 96.10 92.18 12/06/2025 05:20:57 69.74, 97.55 92.15 56.14 69
13 12/08/2025 19:57:10 70.39,-122.40 93.09 12/08/2025 19:56:41 70.41,-122.36 93.11 2.79 29
14 12/08/2025 20:46:39 -70.34, 45.16 86.96 12/08/2025 20:47:23 -70.34, 45.08 86.96 2.91 44

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 11/26/2025
SNOs_Map_LANDSAT-8_NPP_20251126.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 11/26/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP