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: 7/7/2025
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 07/07/2025 05:19:14 -70.29, -83.13 132.30 07/07/2025 05:18:24 -70.31, -83.20 132.27 3.31 50
2 07/07/2025 06:08:41 70.19, 84.37 47.61 07/07/2025 06:09:08 70.18, 84.31 47.60 2.55 27
3 07/07/2025 06:58:27 -69.19,-109.36 133.33 07/07/2025 06:59:33 -69.20,-106.93 133.42 95.88 66
4 07/09/2025 20:46:00 71.10,-133.64 48.80 07/09/2025 20:44:53 71.17,-136.17 48.97 91.40 67
5 07/09/2025 21:35:44 -70.23, 32.67 132.04 07/09/2025 21:35:18 -70.21, 32.73 132.06 3.27 26
6 07/09/2025 22:25:11 70.12,-159.84 47.87 07/09/2025 22:26:03 70.13,-159.84 47.87 0.98 52
7 07/12/2025 13:02:43 70.31, -18.95 48.40 07/12/2025 13:01:32 70.29, -18.95 48.40 2.30 71
8 07/12/2025 13:52:12 -70.21, 148.52 131.70 07/12/2025 13:52:13 -70.22, 148.49 131.68 1.60 1
9 07/12/2025 14:41:42 69.93, -44.22 48.05 07/12/2025 14:42:54 69.93, -43.76 48.02 17.64 72
10 07/15/2025 05:19:11 70.28, 96.88 48.78 07/15/2025 05:18:26 70.25, 96.89 48.76 2.63 45
11 07/15/2025 06:08:41 -70.17, -95.64 131.32 07/15/2025 06:09:08 -70.18, -95.67 131.32 1.25 27
12 07/17/2025 20:45:59 -71.10, 46.37 130.00 07/17/2025 20:44:52 -71.13, 43.93 129.87 88.09 67
13 07/17/2025 21:35:40 70.23,-147.31 49.18 07/17/2025 21:35:21 70.22,-147.27 49.17 1.53 19
14 07/17/2025 22:25:10 -70.13, 20.18 130.92 07/17/2025 22:26:03 -70.14, 20.16 130.91 1.86 53
15 07/20/2025 13:02:41 -70.33, 161.09 130.24 07/20/2025 13:01:32 -70.31, 161.05 130.25 2.92 69
16 07/20/2025 13:52:09 70.16, -31.51 49.61 07/20/2025 13:52:16 70.19, -31.45 49.63 3.51 7
17 07/20/2025 14:41:42 -69.90, 135.75 130.64 07/20/2025 14:42:54 -69.90, 136.31 130.67 21.52 72

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/7/2025
SNOs_Map_LANDSAT-8_NPP_20250707.jpg

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

Historial Predications of SNOs between LANDSAT-8 and NPP