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: 4/23/2025
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 05:18:44 70.37, 96.90 56.69 04/26/2025 05:17:32 70.40, 96.65 56.73 9.86 72
2 04/26/2025 06:08:15 -70.19, -95.71 123.50 04/26/2025 06:08:12 -70.21, -95.73 123.48 1.41 3
3 04/26/2025 06:57:43 70.04, 71.71 56.34 04/26/2025 06:58:55 70.03, 71.85 56.33 5.72 72
4 04/28/2025 21:35:10 70.25,-147.37 55.73 04/28/2025 21:34:28 70.24,-147.33 55.72 1.96 42
5 04/28/2025 22:24:40 -70.13, 20.09 124.40 04/28/2025 22:25:10 -70.15, 20.13 124.39 1.84 30
6 05/01/2025 13:02:01 -70.64, 161.46 124.70 05/01/2025 13:00:50 -70.72, 160.34 124.59 41.97 71
7 05/01/2025 13:51:34 70.21, -31.54 54.86 05/01/2025 13:51:26 70.20, -31.50 54.85 1.76 8
8 05/01/2025 14:41:04 -70.09, 135.93 125.26 05/01/2025 14:42:08 -70.10, 135.97 125.26 1.36 64
9 05/04/2025 05:18:29 -70.29, -83.16 125.83 05/04/2025 05:17:39 -70.27, -83.16 125.86 3.03 50
10 05/04/2025 06:07:56 70.18, 84.33 54.05 05/04/2025 06:08:23 70.16, 84.31 54.03 2.11 27
11 05/06/2025 20:45:14 70.79,-134.16 53.90 05/06/2025 20:44:04 70.83,-135.61 53.98 53.26 70
12 05/06/2025 21:34:52 -70.24, 32.66 126.65 05/06/2025 21:34:37 -70.24, 32.65 126.64 0.56 15
13 05/06/2025 22:24:19 70.12,-159.86 53.23 05/06/2025 22:25:21 70.14,-159.89 53.25 2.71 62

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/23/2025
SNOs_Map_LANDSAT-8_NPP_20250424.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/23/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP