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: 6/27/2025
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 06/29/2025 05:19:12 70.30, 96.88 47.05 06/29/2025 05:18:23 70.29, 96.81 47.04 3.20 49
2 06/29/2025 06:08:43 -70.14, -95.72 133.11 06/29/2025 06:09:04 -70.14, -95.65 133.11 2.87 21
3 07/01/2025 21:35:42 70.23,-147.34 47.15 07/01/2025 21:35:17 70.23,-147.32 47.16 0.82 25
4 07/01/2025 22:25:12 -70.12, 20.14 132.95 07/01/2025 22:25:59 -70.14, 20.14 132.94 1.81 47
5 07/04/2025 13:02:43 -70.41, 161.17 132.45 07/04/2025 13:01:31 -70.44, 160.80 132.40 14.00 72
6 07/04/2025 13:52:12 70.19, -31.51 47.34 07/04/2025 13:52:12 70.17, -31.46 47.32 3.06 0
7 07/04/2025 14:41:42 -70.09, 135.98 132.76 07/04/2025 14:42:54 -70.08, 136.00 132.77 1.20 72
8 07/07/2025 05:19:15 -70.26, -83.17 132.33 07/07/2025 05:18:24 -70.29, -83.18 132.29 3.27 51
9 07/07/2025 06:08:42 70.15, 84.31 47.57 07/07/2025 06:09:08 70.17, 84.31 47.60 2.97 26
10 07/07/2025 06:58:28 -69.17,-109.40 133.35 07/07/2025 06:59:33 -69.18,-106.91 133.43 98.42 65
11 07/09/2025 20:46:00 71.12,-133.62 48.81 07/09/2025 20:44:53 71.17,-136.17 48.96 91.88 67
12 07/09/2025 21:35:44 -70.26, 32.71 132.01 07/09/2025 21:35:19 -70.24, 32.67 132.02 2.01 25
13 07/09/2025 22:25:11 70.14,-159.82 47.88 07/09/2025 22:26:03 70.13,-159.84 47.87 1.81 52

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 6/27/2025
SNOs_Map_LANDSAT-8_NPP_20250627.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 06/27/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP