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: 10/2/2025
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 10/03/2025 04:30:12 -70.40, -70.63 105.66 10/03/2025 04:29:05 -70.38, -70.68 105.68 3.37 67
2 10/03/2025 05:19:40 70.25, 96.79 74.20 10/03/2025 05:19:48 70.23, 96.86 74.19 3.29 8
3 10/03/2025 06:09:15 -69.86, -96.13 106.17 10/03/2025 06:10:26 -69.90, -95.33 106.13 31.01 71
4 10/05/2025 20:46:44 -70.34, 45.15 104.69 10/05/2025 20:46:03 -70.33, 45.16 104.70 1.43 41
5 10/05/2025 21:36:11 70.24,-147.35 75.22 10/05/2025 21:36:47 70.24,-147.39 75.23 1.32 36
6 10/08/2025 12:13:38 70.77, -5.96 76.76 10/08/2025 12:12:27 70.84, -7.21 76.83 46.40 71
7 10/08/2025 13:03:15 -70.28, 160.94 103.73 10/08/2025 13:03:01 -70.29, 160.98 103.71 1.88 14
8 10/08/2025 13:52:42 70.18, -31.57 76.18 10/08/2025 13:53:45 70.21, -31.57 76.22 3.59 63
9 10/11/2025 04:30:14 70.39, 109.34 77.39 10/11/2025 04:29:17 70.40, 109.26 77.40 3.33 57
10 10/11/2025 05:19:44 -70.28, -83.17 102.71 10/11/2025 05:19:59 -70.28, -83.22 102.72 1.97 15
11 10/11/2025 06:09:23 69.51, 83.39 76.53 10/11/2025 06:10:30 69.50, 85.25 76.53 72.50 67
12 10/13/2025 20:46:42 70.33,-134.85 78.33 10/13/2025 20:46:13 70.35,-134.88 78.35 1.74 29
13 10/13/2025 21:36:12 -70.23, 32.64 101.76 10/13/2025 21:36:55 -70.22, 32.63 101.77 1.32 43
14 10/16/2025 12:13:41 -70.51, 173.66 100.52 10/16/2025 12:12:29 -70.54, 173.27 100.48 14.87 72
15 10/16/2025 13:03:10 70.28, -19.03 79.27 10/16/2025 13:03:10 70.30, -19.04 79.30 2.40 0
16 10/16/2025 13:52:40 -70.18, 148.46 100.82 10/16/2025 13:53:52 -70.18, 148.47 100.82 0.77 72

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 10/2/2025
SNOs_Map_LANDSAT-8_NPP_20251003.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 10/02/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP