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: 10/25/2025
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 10/27/2025 04:30:15 70.36, 109.30 83.11 10/27/2025 04:29:33 70.37, 109.30 83.12 1.48 42
2 10/27/2025 05:19:45 -70.25, -83.23 96.99 10/27/2025 05:20:15 -70.27, -83.22 96.97 2.13 30
3 10/29/2025 19:57:06 -71.08, 58.62 95.28 10/29/2025 19:55:58 -71.14, 56.50 95.23 76.88 68
4 10/29/2025 20:46:45 70.32,-134.88 83.96 10/29/2025 20:46:28 70.31,-134.82 83.95 2.81 17
5 10/29/2025 21:36:15 -70.21, 32.60 96.14 10/29/2025 21:37:10 -70.20, 32.66 96.15 2.62 55
6 11/01/2025 12:13:48 -70.41, 173.49 95.09 11/01/2025 12:12:41 -70.41, 173.49 95.10 0.92 67
7 11/01/2025 13:03:15 70.30, -19.03 84.81 11/01/2025 13:03:25 70.30, -19.04 84.81 0.47 10
8 11/01/2025 13:52:50 -69.93, 148.06 95.56 11/01/2025 13:54:01 -69.88, 148.92 95.60 33.12 71
9 11/04/2025 04:30:18 -70.37, -70.70 94.30 11/04/2025 04:29:37 -70.36, -70.66 94.31 1.80 41
10 11/04/2025 05:19:45 70.26, 96.78 85.60 11/04/2025 05:20:21 70.25, 96.81 85.60 1.24 36
11 11/06/2025 19:57:10 70.83,-121.76 86.96 11/06/2025 19:56:00 70.89,-123.08 87.03 48.37 70
12 11/06/2025 20:46:47 -70.34, 45.14 93.52 11/06/2025 20:46:33 -70.32, 45.17 93.54 2.73 14
13 11/06/2025 21:36:14 70.23,-147.38 86.38 11/06/2025 21:37:17 70.22,-147.35 86.37 1.70 63

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 10/25/2025
SNOs_Map_LANDSAT-8_NPP_20251025.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 10/25/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP