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: 5/3/2025
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 05/04/2025 05:18:52 -70.32, -83.22 125.81 05/04/2025 05:17:40 -70.32, -83.25 125.80 1.20 72
2 05/04/2025 06:08:19 70.22, 84.29 54.09 05/04/2025 06:08:24 70.21, 84.24 54.08 2.20 5
3 05/04/2025 06:57:51 -70.00,-108.40 126.15 05/04/2025 06:59:03 -69.96,-108.05 126.20 13.95 72
4 05/06/2025 21:35:21 -70.26, 32.57 126.63 05/06/2025 21:34:37 -70.24, 32.64 126.64 3.06 44
5 05/06/2025 22:24:48 70.15,-159.94 53.26 05/06/2025 22:25:21 70.14,-159.88 53.25 2.58 33
6 05/09/2025 13:02:12 70.70, -18.53 53.10 05/09/2025 13:01:01 70.76, -19.73 53.18 44.70 71
7 05/09/2025 13:51:49 -70.21, 148.38 127.40 05/09/2025 13:51:35 -70.23, 148.43 127.38 3.04 14
8 05/09/2025 14:41:16 70.10, -44.13 52.49 05/09/2025 14:42:19 70.13, -44.10 52.51 3.28 63
9 05/12/2025 05:18:45 70.28, 96.74 52.00 05/12/2025 05:17:49 70.28, 96.80 52.01 2.07 56
10 05/12/2025 06:08:15 -70.18, -95.78 128.12 05/12/2025 06:08:31 -70.17, -95.71 128.13 2.87 16
11 05/12/2025 06:57:55 69.35, 70.72 51.07 05/12/2025 06:59:02 69.39, 72.77 51.07 80.23 67
12 05/14/2025 21:35:11 70.27,-147.40 51.33 05/14/2025 21:34:46 70.24,-147.37 51.31 3.07 25
13 05/14/2025 22:24:41 -70.16, 20.08 128.78 05/14/2025 22:25:29 -70.17, 20.05 128.77 1.73 48

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/3/2025
SNOs_Map_LANDSAT-8_NPP_20250503.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 05/03/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP