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: 11/22/2025
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 11/22/2025 19:57:17 70.49,-122.30 90.69 11/22/2025 19:56:04 70.49,-122.40 90.70 3.90 73
2 11/22/2025 20:46:47 -70.37, 45.17 89.42 11/22/2025 20:46:45 -70.37, 45.11 89.42 2.17 2
3 11/22/2025 21:36:16 70.16,-147.49 90.38 11/22/2025 21:37:28 70.17,-147.27 90.39 8.48 72
4 11/25/2025 12:13:47 70.43, -6.50 91.17 11/25/2025 12:13:05 70.44, -6.56 91.18 2.18 42
5 11/25/2025 13:03:17 -70.32, 160.97 88.94 11/25/2025 13:03:46 -70.31, 160.96 88.94 0.52 29
6 11/28/2025 03:40:41 -70.94, -57.49 87.83 11/28/2025 03:39:31 -71.00, -59.03 87.77 56.41 70
7 11/28/2025 04:30:16 70.40, 109.34 91.63 11/28/2025 04:30:06 70.39, 109.28 91.62 2.59 10
8 11/28/2025 05:19:46 -70.29, -83.19 88.47 11/28/2025 05:20:47 -70.26, -83.21 88.50 3.20 61
9 11/30/2025 19:57:18 -70.46, 57.66 87.87 11/30/2025 19:56:22 -70.43, 57.65 87.90 2.86 56
10 11/30/2025 20:46:45 70.35,-134.85 92.02 11/30/2025 20:47:07 70.34,-134.90 92.02 1.67 22
11 11/30/2025 21:36:28 -69.53, 31.63 88.79 11/30/2025 21:37:35 -69.54, 33.65 88.79 78.50 67
12 12/03/2025 11:24:03 71.20, 7.05 93.26 12/03/2025 11:22:55 71.25, 4.73 93.33 83.58 68
13 12/03/2025 12:13:46 -70.39, 173.44 87.55 12/03/2025 12:13:22 -70.40, 173.47 87.54 1.43 24
14 12/03/2025 13:03:13 70.27, -19.08 92.34 12/03/2025 13:04:06 70.25, -19.00 92.33 3.63 53

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 11/22/2025
SNOs_Map_LANDSAT-8_NPP_20251122.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 11/22/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP