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: 4/25/2025
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 04/26/2025 05:18:48 70.49, 97.06 56.81 04/26/2025 05:17:36 70.59, 96.35 56.93 28.18 72
2 04/26/2025 06:08:21 -70.21, -95.72 123.48 04/26/2025 06:08:12 -70.18, -95.69 123.50 2.98 9
3 04/26/2025 06:57:48 70.11, 71.79 56.42 04/26/2025 06:58:57 70.11, 71.73 56.41 2.28 69
4 04/28/2025 21:35:21 70.27,-147.39 55.75 04/28/2025 21:34:28 70.27,-147.38 55.75 0.48 53
5 04/28/2025 22:24:51 -70.16, 20.08 124.38 04/28/2025 22:25:10 -70.18, 20.08 124.36 1.86 19
6 04/28/2025 23:14:33 69.23,-173.55 54.71 04/28/2025 23:15:39 69.26,-171.26 54.69 90.24 66
7 05/01/2025 13:51:51 70.24, -31.56 54.90 05/01/2025 13:51:26 70.23, -31.55 54.89 1.79 25
8 05/01/2025 14:41:21 -70.13, 135.92 125.22 05/01/2025 14:42:08 -70.13, 135.92 125.23 0.67 47
9 05/04/2025 05:18:54 -70.29, -83.26 125.84 05/04/2025 05:17:40 -70.30, -83.21 125.82 2.16 74
10 05/04/2025 06:08:21 70.18, 84.22 54.05 05/04/2025 06:08:24 70.20, 84.26 54.07 2.04 3
11 05/04/2025 06:57:52 -70.02,-108.37 126.12 05/04/2025 06:59:05 -70.04,-108.18 126.11 7.47 73
12 05/06/2025 21:35:23 -70.26, 32.56 126.63 05/06/2025 21:34:38 -70.27, 32.60 126.61 2.04 45
13 05/06/2025 22:24:50 70.15,-159.95 53.26 05/06/2025 22:25:22 70.18,-159.94 53.29 3.34 32

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/25/2025
SNOs_Map_LANDSAT-8_NPP_20250425.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/25/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP