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: 4/19/2025
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 04/20/2025 21:35:25 -70.26, 32.60 121.66 04/20/2025 21:34:15 -70.25, 32.68 121.66 3.12 70
2 04/20/2025 22:24:52 70.16,-159.90 58.24 04/20/2025 22:25:00 70.17,-159.89 58.25 1.59 8
3 04/20/2025 23:14:26 -69.82, 7.26 122.11 04/20/2025 23:15:37 -69.83, 7.95 122.12 26.55 71
4 04/23/2025 13:51:50 -70.22, 148.43 122.59 04/23/2025 13:51:13 -70.22, 148.49 122.59 2.01 37
5 04/23/2025 14:41:17 70.12, -44.07 57.30 04/23/2025 14:41:57 70.10, -44.01 57.27 3.09 40
6 04/26/2025 05:18:44 70.37, 96.90 56.69 04/26/2025 05:17:32 70.40, 96.65 56.74 10.34 72
7 04/26/2025 06:08:15 -70.20, -95.71 123.49 04/26/2025 06:08:12 -70.21, -95.73 123.48 1.00 3
8 04/26/2025 06:57:43 70.04, 71.71 56.34 04/26/2025 06:58:55 70.03, 71.85 56.33 5.39 72
9 04/28/2025 21:35:10 70.25,-147.37 55.73 04/28/2025 21:34:28 70.25,-147.34 55.73 1.28 42
10 04/28/2025 22:24:40 -70.14, 20.10 124.40 04/28/2025 22:25:10 -70.15, 20.13 124.39 1.31 30
11 05/01/2025 13:02:01 -70.65, 161.46 124.70 05/01/2025 13:00:50 -70.73, 160.34 124.59 42.22 71
12 05/01/2025 13:51:34 70.21, -31.54 54.86 05/01/2025 13:51:26 70.20, -31.51 54.86 0.96 8
13 05/01/2025 14:41:04 -70.10, 135.94 125.26 05/01/2025 14:42:08 -70.10, 135.96 125.26 1.09 64

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/19/2025
SNOs_Map_LANDSAT-8_NPP_20250419.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/19/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP