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: 4/16/2025
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 04/18/2025 06:08:24 70.25, 84.34 59.25 04/18/2025 06:08:01 70.23, 84.27 59.23 3.71 23
2 04/18/2025 06:57:55 -70.08,-108.27 120.93 04/18/2025 06:58:42 -70.10,-108.21 120.92 3.17 47
3 04/20/2025 21:35:24 -70.28, 32.63 121.64 04/20/2025 21:34:15 -70.27, 32.65 121.64 1.52 69
4 04/20/2025 22:24:51 70.18,-159.88 58.25 04/20/2025 22:25:00 70.19,-159.92 58.27 2.65 9
5 04/20/2025 23:14:25 -69.84, 7.29 122.09 04/20/2025 23:15:37 -69.85, 7.93 122.10 24.42 72
6 04/23/2025 13:51:50 -70.22, 148.43 122.60 04/23/2025 13:51:14 -70.24, 148.46 122.57 2.61 36
7 04/23/2025 14:41:17 70.11, -44.08 57.29 04/23/2025 14:41:58 70.12, -44.04 57.30 1.63 41
8 04/26/2025 05:18:44 70.33, 96.85 56.65 04/26/2025 05:17:31 70.32, 96.78 56.65 3.07 73
9 04/26/2025 06:08:15 -70.16, -95.75 123.52 04/26/2025 06:08:12 -70.17, -95.67 123.52 3.06 3
10 04/26/2025 06:57:43 70.00, 71.66 56.31 04/26/2025 06:58:55 70.00, 71.90 56.30 9.07 72
11 04/28/2025 21:35:07 70.28,-147.32 55.76 04/28/2025 21:34:28 70.27,-147.38 55.75 2.76 39
12 04/28/2025 22:24:37 -70.17, 20.16 124.36 04/28/2025 22:25:10 -70.17, 20.10 124.37 2.44 33

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/16/2025
SNOs_Map_LANDSAT-8_NPP_20250416.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/16/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP