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: 3/19/2025
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 03/19/2025 22:25:04 70.20,-159.81 70.36 03/19/2025 22:24:22 70.21,-159.85 70.37 1.53 42
2 03/19/2025 23:14:34 -70.08, 7.65 109.77 03/19/2025 23:15:03 -70.09, 7.64 109.77 0.99 29
3 03/22/2025 13:51:49 -70.93, 149.54 109.99 03/22/2025 13:50:41 -70.99, 147.37 109.86 78.81 68
4 03/22/2025 14:41:28 70.17, -43.96 69.27 03/22/2025 14:41:12 70.17, -44.01 69.27 1.94 16
5 03/22/2025 15:30:58 -70.06, 123.52 110.86 03/22/2025 15:31:53 -70.06, 123.49 110.87 0.92 55
6 03/25/2025 06:08:23 -70.25, -95.59 111.71 03/25/2025 06:07:16 -70.24, -95.62 111.71 1.63 67
7 03/25/2025 06:57:50 70.14, 71.90 68.17 03/25/2025 06:58:00 70.11, 71.89 68.14 3.31 10
8 03/25/2025 07:47:25 -69.75,-121.01 112.21 03/25/2025 07:48:36 -69.73,-120.21 112.27 30.88 71
9 03/27/2025 22:24:45 -70.21, 20.27 112.80 03/27/2025 22:24:05 -70.19, 20.26 112.82 2.60 40
10 03/27/2025 23:14:12 70.10,-172.25 67.08 03/27/2025 23:14:50 70.11,-172.31 67.09 2.95 38
11 03/30/2025 13:51:31 70.55, -30.96 66.50 03/30/2025 13:50:20 70.65, -31.99 66.63 39.55 71
12 03/30/2025 14:41:06 -70.17, 136.11 113.89 03/30/2025 14:40:54 -70.16, 136.11 113.90 1.39 12
13 03/30/2025 15:30:33 70.05, -56.41 65.99 03/30/2025 15:31:38 70.03, -56.39 65.96 2.32 65

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 3/19/2025
SNOs_Map_LANDSAT-8_NPP_20250319.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 03/19/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP