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: 11/19/2025
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 11/20/2025 04:30:18 -70.40, -70.67 89.98 11/20/2025 04:29:44 -70.40, -70.68 89.98 0.41 34
2 11/20/2025 05:19:45 70.30, 96.83 89.93 11/20/2025 05:20:29 70.30, 96.77 89.94 2.03 44
3 11/22/2025 19:57:18 70.48,-122.31 90.69 11/22/2025 19:56:05 70.53,-122.45 90.73 7.44 73
4 11/22/2025 20:46:48 -70.37, 45.17 89.42 11/22/2025 20:46:45 -70.35, 45.14 89.44 2.08 3
5 11/22/2025 21:36:16 70.21,-147.42 90.43 11/22/2025 21:37:29 70.21,-147.32 90.43 3.79 73
6 11/25/2025 12:13:47 70.43, -6.51 91.17 11/25/2025 12:13:04 70.44, -6.55 91.18 2.21 43
7 11/25/2025 13:03:17 -70.32, 160.97 88.94 11/25/2025 13:03:45 -70.32, 160.96 88.94 0.57 28
8 11/28/2025 03:40:40 -71.00, -57.39 87.77 11/28/2025 03:39:31 -71.07, -59.15 87.70 64.07 69
9 11/28/2025 04:30:17 70.35, 109.26 91.58 11/28/2025 04:30:04 70.36, 109.33 91.59 2.83 13
10 11/28/2025 05:19:46 -70.30, -83.18 88.47 11/28/2025 05:20:46 -70.29, -83.24 88.48 2.58 60
11 11/30/2025 19:57:19 -70.41, 57.60 87.92 11/30/2025 19:56:20 -70.42, 57.68 87.91 3.22 59
12 11/30/2025 20:46:45 70.36,-134.84 92.03 11/30/2025 20:47:05 70.33,-134.87 92.01 2.61 20
13 11/30/2025 21:36:27 -69.59, 31.72 88.73 11/30/2025 21:37:35 -69.63, 33.52 88.69 69.76 68
14 12/03/2025 11:24:02 71.32, 7.25 93.39 12/03/2025 11:22:56 71.37, 4.53 93.45 96.74 66
15 12/03/2025 12:13:47 -70.40, 173.46 87.54 12/03/2025 12:13:21 -70.41, 173.46 87.53 0.82 26
16 12/03/2025 13:03:14 70.28, -19.06 92.35 12/03/2025 13:04:05 70.27, -19.01 92.34 2.77 51

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 11/19/2025
SNOs_Map_LANDSAT-8_NPP_20251120.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 11/19/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP