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: 9/7/2025
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 09/09/2025 05:19:35 -70.32, -83.10 114.99 09/09/2025 05:19:06 -70.30, -83.15 115.00 2.79 29
2 09/09/2025 06:09:03 70.16, 84.32 64.88 09/09/2025 06:09:50 70.19, 84.33 64.90 2.64 47
3 09/11/2025 20:46:35 70.35,-134.80 66.05 09/11/2025 20:45:24 70.37,-134.82 66.08 2.10 71
4 09/11/2025 21:36:05 -70.24, 32.67 114.05 09/11/2025 21:36:06 -70.26, 32.66 114.02 2.65 1
5 09/11/2025 22:25:35 69.97,-160.07 65.70 09/11/2025 22:26:46 69.95,-159.54 65.67 20.31 71
6 09/14/2025 13:03:03 70.30, -18.99 67.02 09/14/2025 13:02:22 70.30, -18.95 67.02 1.63 41
7 09/14/2025 13:52:33 -70.19, 148.49 113.08 09/14/2025 13:53:04 -70.19, 148.54 113.08 2.22 31
8 09/17/2025 04:29:57 -70.77, -70.05 111.51 09/17/2025 04:28:46 -70.79, -71.30 111.46 45.91 71
9 09/17/2025 05:19:31 70.27, 96.86 68.03 09/17/2025 05:19:22 70.28, 96.83 68.04 1.42 9
10 09/17/2025 06:09:01 -70.17, -95.66 112.07 09/17/2025 06:10:04 -70.17, -95.67 112.07 0.46 63
11 09/19/2025 20:46:32 -70.33, 45.19 110.90 09/19/2025 20:45:37 -70.31, 45.24 110.92 2.91 55
12 09/19/2025 21:35:59 70.22,-147.33 69.01 09/19/2025 21:36:21 70.22,-147.31 69.01 0.56 22

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/7/2025
SNOs_Map_LANDSAT-8_NPP_20250907.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/07/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP