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: 3/8/2025
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 03/09/2025 06:08:47 -70.22, -95.69 105.40 03/09/2025 06:07:40 -70.20, -95.69 105.41 2.68 67
2 03/09/2025 06:58:14 70.11, 71.80 74.50 03/09/2025 06:58:25 70.12, 71.74 74.50 2.22 11
3 03/09/2025 07:47:49 -69.73,-121.10 105.89 03/09/2025 07:49:00 -69.68,-120.28 105.98 32.26 71
4 03/11/2025 22:25:16 -70.17, 20.11 106.50 03/11/2025 22:24:31 -70.15, 20.17 106.51 3.04 45
5 03/11/2025 23:14:43 70.06,-172.40 73.39 03/11/2025 23:15:16 70.07,-172.40 73.40 1.39 33
6 03/14/2025 13:52:02 70.90, -30.54 73.16 03/14/2025 13:50:54 70.92, -32.59 73.26 74.55 68
7 03/14/2025 14:41:44 -70.14, 135.96 107.59 03/14/2025 14:41:23 -70.17, 135.94 107.55 3.22 21
8 03/14/2025 15:31:11 70.03, -56.56 72.30 03/14/2025 15:32:07 70.04, -56.55 72.30 1.22 56
9 03/17/2025 06:08:41 70.24, 84.35 71.46 03/17/2025 06:07:32 70.22, 84.34 71.45 2.42 69
10 03/17/2025 06:58:10 -70.14,-108.17 108.66 03/17/2025 06:58:13 -70.15,-108.23 108.64 2.67 3
11 03/17/2025 07:47:41 69.80, 59.01 71.01 03/17/2025 07:48:52 69.75, 59.67 70.93 26.06 71
12 03/19/2025 22:25:07 70.20,-159.82 70.36 03/19/2025 22:24:22 70.21,-159.85 70.37 1.30 45
13 03/19/2025 23:14:37 -70.10, 7.66 109.76 03/19/2025 23:15:03 -70.08, 7.66 109.78 1.96 26

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 3/8/2025
SNOs_Map_LANDSAT-8_NPP_20250308.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 03/08/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP